EP1169937A1 - Device for applying a product on a support and the use thereof for treating hair - Google Patents

Device for applying a product on a support and the use thereof for treating hair Download PDF

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Publication number
EP1169937A1
EP1169937A1 EP01401509A EP01401509A EP1169937A1 EP 1169937 A1 EP1169937 A1 EP 1169937A1 EP 01401509 A EP01401509 A EP 01401509A EP 01401509 A EP01401509 A EP 01401509A EP 1169937 A1 EP1169937 A1 EP 1169937A1
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EP
European Patent Office
Prior art keywords
assembly according
teeth
application
base
elastically deformable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01401509A
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German (de)
French (fr)
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EP1169937B1 (en
Inventor
Sophie Vayrette
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LOreal SA
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LOreal SA
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Publication date
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Publication of EP1169937A1 publication Critical patent/EP1169937A1/en
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Publication of EP1169937B1 publication Critical patent/EP1169937B1/en
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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
    • A45D19/02—Hand-actuated implements, e.g. hand-actuated spray heads
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
    • A45D19/0041—Processes for treating the hair of the scalp
    • A45D19/0066—Coloring or bleaching
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
    • A45D2019/0033—Processes for treating the scalp

Definitions

  • the invention relates to an assembly for applying a product to the hair. or the scalp.
  • the invention relates to a set for the application a hair dye on the hair or a treatment product on the leather Scalp.
  • the application set targeted by the present invention is of the type at least two application tips, in particular in the form of hollow teeth, passed through by a product supply channel, leading to a dispensing orifice.
  • This dispensing orifice is supplied with product from a product reservoir associated with this set.
  • Applicators comprising a plurality of hollow teeth, aligned on a straight line or curve are known, especially in the field of treatment hair, such as hair dye.
  • Applicators of this type are described, for example, in documents US-A-2 624 348, US-A-5,054,504 and WO-A-98 / 01,053. These known applicators have a plurality of hollow teeth aligned on an elongated base and supplied with a liquid product contained in a tank. Free ends of these teeth form distribution orifices, arranged in a row, at the like a comb.
  • the elongated base, as well as its teeth integral are made of a rigid material.
  • an applicator allowing to distribute and massage a product on the scalp.
  • This applicator comprises a rigid sole, on which a plurality is implanted hollow teeth, arranged in several rows on the surface of the sole, the way of a brush. The free ends of the teeth define a plane.
  • the rigid sole is part of a product tank, which tank has a elastically deformable portion. When applying the product, pressure is exerted on the elastically deformable portion of the reservoir, to cause the expulsion of the product through the dispensing orifice of the hollow teeth.
  • the document EP 0 943 260 describes an applicator on which are mounted fingers via a base common to these fingers.
  • the fingers are provided with outlet openings through which the preparation leaves to reach the desired area of hair.
  • the fingers can be made of material elastic.
  • the applicators described above have a number of drawbacks major. Indeed, the correct positioning of a plurality of teeth relative scalp or the hair is tricky to perform, given the morphology of the skull, in this case with a variable profile of curvature. So, when the user does not make any special arrangements, the end of a part of the teeth rubs on the scalp and may cause irritation, while another part of the teeth stays away from the scalp. Such treatment is perceived as unpleasant, even annoying, by the user. Of more, the application of the product is not homogeneous, because part of the product is applied to the scalp, while another part of the product is dispersed to distance from the scalp, in the hair, away from the root or base of the hair.
  • Such non-homogeneous application is particularly undesirable, in particular when a hair dye must be applied to the repellant base of previously dyed hair. Indeed, in this type of application, only the root hair needs to be treated. Such an application is also annoying, when only the scalp needs to be treated.
  • the object of the present invention is, in particular to improve, or even make more effective and more pleasant, the treatment of hair or scalp with a product, ensuring variable positioning of the dispensing orifices, so as to apply said product precisely to the desired location.
  • a device for applying a liquid product to the skin comprising an application dome porous, rigid.
  • This application element is mounted on a product tank via a flexible area such as a bellows. This provision gives the system a some flexibility by radial pivoting in all directions and ensures comfort of particular application.
  • the above device is not suitable for applying a liquid product to (or in) the hair or on the scalp. Indeed using this type device, the product cannot get inside the hair or apply to the scalp. In addition, due to the structure of the porous dome, the distribution of a relatively large quantity of product is almost excluded.
  • US patent 2,939,615 describes a treatment product applicator capillary comprising a dispensing head mounted on a reservoir.
  • the head of distribution includes a flexible ejection chamber thanks to the presence of a bellows forming a wall of the chamber.
  • the room is closed by a wall flat top with small openings which are in communication with the ejection chamber.
  • Solid elements protruding in a conical shape are mounted on the upper wall, adjacent to each opening.
  • a groove is provided along one of the sides of each conical element to be in communication with the corresponding opening provided on the flat wall.
  • the present invention aims to remedy the drawbacks that the previous devices above.
  • Another object of the invention is to allow the distribution of a quantity of important product.
  • this applicator must also have a flexibility of particular application, so as to avoid during treatment, any aggression or irritation of the scalp.
  • the object of the present invention is to provide a set for the application a product, in particular liquid, on the hair or scalp, comprising a reservoir for said product, of longitudinal axis, surmounted by a head application comprising a base carrying at least two ends application, each of said application tips being in the form a hollow tooth crossed by a through channel, at a free end of the tooth, on a dispensing orifice and in communication with the reservoir, elastically deformable means being provided between said base and the tank, to allow relative movement of the base by relation to the reservoir, in response to an axial and / or lateral stress exerted on at least one of the end pieces.
  • the movement allowed between the base and the tank is a movement both along the axis of the tank, and, like a ball joint, pivoting in any radial direction with respect to said X axis.
  • said teeth are preferably three in number.
  • the teeth are arranged on the base according to a triangle, in particular along a triangle isosceles.
  • a number greater than three can be envisaged, the case if necessary, by adopting an appropriate layout arrangement.
  • the elastically deformable means are formed by an annular membrane.
  • these elastically deformable means allow the ends of the teeth to be movable, either axially or the way of a ball joint. This arrangement makes it possible to orient the orifices of distribution, as precisely as possible, to the desired location, depending of the skull profile. This arrangement allows, according to an important aspect of the invention, to properly position three, or even more, teeth distribution.
  • these elastically deformable means can be made of a material identical to that of the entire application head and be formed by a thinner annular portion.
  • These means elastically deformable can be formed, alternatively, by a portion comprising a bellows or a portion comprising at least one corrugation annular.
  • these elastically deformable means can be formed of a material of the elastomer type, different from that forming the base and end caps.
  • the annular membrane can be made of natural or synthetic rubber, or a conventional thermoplastic elastomer.
  • the deformability of such an elastomeric material results from a bending component, which reflects the ability of the base, either to pivot as a ball joint, either to move axially or laterally, in response to a constraint, and return by elasticity to its initial form, when the constraint.
  • the flexibility of a material, suitable for forming these means elastically deformable can be characterized by its flexural modulus.
  • the materials envisaged by the invention preferably have a module of bending at most equal to 200 MPa (Young's modulus in bending).
  • the flexibility of elastically deformable means results from the nature of the material constituent and / or their configuration.
  • the elastomeric material can be characterized by a Shore A hardness between 40 and 70.
  • the elastically deformable means are integral with a fixing member, in particular a ring, suitable for fixing the head application to the tank, for example by screwing, snapping or any other appropriate means.
  • the application teeth form a single piece with said base, which can be obtained by molding a suitable material.
  • the membrane When the membrane is made of elastomer, it can be produced by biinjection in a suitable mold.
  • the application head is produced by injection of a first elastomer material to form said means elastically deformable, and of a second material of rigidity greater than the rigidity of the first to form the base as well as the fixing means.
  • the second material is chosen from the materials substantially rigid or semi-rigid thermoplastics, such as polyethylene high density or polypropylene.
  • the elastomer membrane can also be produced by overmolding in a suitable mold between the base and the fixing member, the base and the fixing being made by injection of a thermoplastic material equivalent to second material mentioned above, and connected by bridges of material of the type film hinge. These thin material bridges are then overmolded of elastomer to form the elastically deformable membrane.
  • the teeth have a frustoconical shape, of section decreasing towards the dispensing orifice. This provision allows in particular, good penetration of said teeth into the hair.
  • Said teeth may have a general orientation, the axis of which is parallel or diverge from the longitudinal axis of the tank. Spacing of the axis passing through said teeth, diverging from the longitudinal axis of the tank, adjusts the distance between the dispensing orifices, and allows you to configure the width of the lines drawn in the hair and determine the total width of the surface to be treated.
  • said teeth Preferably, have substantially identical heights.
  • the base carrying the teeth has a dome shape.
  • all or part of the application teeth can be provided with a flocking coating favoring the distribution of the product to be applied.
  • the creation of a gutter around all or part of the teeth formed in particular by the elastically deformable means allows, where if necessary, collect a surplus of product, possibly flowing after application.
  • the reservoir for its part, is preferably elastically deformable, in particular by compression.
  • the reservoir is shaped so that it can serve as a gripping organ.
  • All dispensing orifices can be brought into contact with a non-support plan, such as the scalp, in a determined and oriented manner, allowing to apply, moreover, the product on a relatively large surface. Thanks to the ability of the base to be multi-directional mobile (in compression axial, in lateral flexion, or in combination of the two, like a ball joint) all the ends of the teeth are capable of coming into contact simultaneously with the scalp, in any case, near the latter.
  • the elastically deformable means act as a shock absorber in the axial direction of the assembly, when the teeth come into contact with the leather Scalp.
  • tracing of lines can be done gently, with less tightness on the hair, thanks to the lateral elasticity of the teeth. So, we get a flexible and soft application on the scalp, thus avoiding any aggression of it.
  • a detangling effect of the hair is also possible.
  • a first tooth is oriented at the front in the direction of movement, making it possible to trace a main line.
  • the other two teeth that "follow” are used to trace two secondary lines, located on either side of the main line. The distance between the following teeth is decisive for the width of the surface treated.
  • the application assembly of the invention is suitable, in particular, for the application of a product of more or less fluid consistency, especially on the scalp or hair.
  • an application assembly 1 is seen. for the application of a fluid P product on the hair and / or scalp.
  • This set essentially consists of two parts: a tank 4 containing said product P, and an application member 2 of said product.
  • Application body 2 comprises a coupling ring 26 capable of allowing the attachment of the member 2 on tank 4.
  • the reservoir 4 consists of a bottle having a longitudinal axis X and having a body 5, in particular of oval or circular cross section.
  • the tank 4 has a closed bottom 6.
  • the bottle 4 forms a shoulder 7, extending in the form of a cylindrical neck 8, of section less than the largest section of the tank.
  • the neck 8 has a thread exterior 8a.
  • the reservoir 4 is shaped so as to allow a grip easy hand.
  • the body 5 of the tank 4 can act as a gripping member.
  • an application head 3 On the neck 8 is fixed, by screwing, an application head 3, comprising a coupling ring 26, provided with an internal thread 27, complementary to the external thread 8a of the neck.
  • the coupling ring 26 has a profile 28, facilitating the mounting or dismounting of the application member 2 on the tank 4.
  • the coupling ring 26 defines an interior passage 29. This passage opens out on a first end 21 of several routing channels 25, practiced inside each of several associated hollow teeth 20. Canals 25 in turn each lead to a distribution orifice 24, formed on a second free end 20b of each tooth 20.
  • the coupling ring 26 has internally a sealing skirt 26a for allow a tight fitting of the applicator member 2 on the neck 8 of the tank 4.
  • the teeth 20 are carried by a circular base 22, of convex shape towards outside.
  • the teeth 20 have a frustoconical longitudinal section, comprising a base 20a of cross section larger than the cross section of their free end 20b, the base 20a being integral with the base 22.
  • a wall peripheral 31 is connected to the base 22 and extends over a small height, perpendicular to it, towards the tank.
  • An annular portion 30, elastically deformable, is connected to the peripheral wall 31. This portion annular 30 forms a sort of bellows, defining with the peripheral wall 31 an annular gutter 23 whose bottom is oriented towards the reservoir 4. This gutter 23 can receive, after use, residues of flowing product possibly along the teeth 20, then and on the base 22.
  • the annular portion 30 has a small thickness so as to allow a elastic deformation, when an axial and / or lateral stress is exerted on the free ends 20b of the teeth 20.
  • the visible face of the base 22 comprises three teeth 20, each extending along an axis Y, oriented at rest so substantially parallel or diverging with respect to the axis X of the reservoir.
  • the orientation of the Y axis relative to the X axis is modified, thanks to the elastic mobility of the teeth. It should be noted that the Y axes of teeth 20 are parallel to each other.
  • All the teeth 20 have a substantially equal height H. according to the example considered, this height H is approximately 20 mm, measured between the base 20a and the free end 20b.
  • the free end 20b of the teeth 20 is provided with a dispensing orifice 24.
  • the distribution orifices 24 communicate with the reservoir 4, via the channels routing 25 formed inside the teeth 20 and passing through the thickness of the base 22, and via the passage 29.
  • the interior of the reservoir 4 is in direct communication with each distribution port 24.
  • all or part of the external surface of the teeth 20 can be flocked, which allows, if necessary, to better distribute the product over the hair, especially when the latter has a low viscosity.
  • the user To apply the product P contained in the reservoir 4 to the hair or in view of a scalp treatment, the user enters the application set 1 by the body 5 of the reservoir 4. It directs the application teeth 2 downwards and places the free ends of the teeth 20 on the scalp, applying light pressure direction of it. Thanks to the ball joint effect of the base 22 carrying the teeth 20, the three teeth are oriented, so that their distribution orifices 24 are found noticeably near the scalp. By applying pressure suitable for the deformable walls of the reservoir body 5, the user causes the output of an appropriate flow of product P. By moving the organ application 2, as described above, on the scalp, while continuing the distribution of the product, it is possible to treat thus, in three lines, an area of the hair or scalp. This operation is repeated for treat, at will, all areas of the hair or scalp.
  • the application assembly 101 differs from the application assembly 1, in that the elastically deformable means 130 are made of an elastomeric material forming a membrane.
  • FIGS. 3 and 4 the parts identical to the first embodiment have the same reference numbers. The description of these parts will not be recovery only succinctly.
  • the different pieces have numbers of reference increased by 100, relative to the part reference numbers similar (or performing a similar function) of Figures 1 and 2.
  • the material constituting the elastomer membrane 130 is a material elastomeric thermoplastic, deformable in particular in bending and / or in compression. It can be chosen in particular from elastomers known thermoplastics, for example styrene - ethylene-butadiene copolymers - styrene (SEBS), styrene - butadiene - styrene (SBS), mixtures containing these copolymers or any other thermoplastic elastomer.
  • SEBS styrene - ethylene-butadiene copolymers - styrene
  • SBS styrene - butadiene - styrene
  • Figures 5 and 6 illustrate an application head 3 according to another mode of realization of the invention.
  • the parts identical to the first embodiment bear the same reference numbers. The description of these parts will be resumed only succinctly. Different pieces have reference numbers increased by 200, compared to the reference numbers of similar parts (or performing a similar function) parts corresponding to Figures 1 and 2.
  • three teeth 220 are arranged on a convex base 222 in a diverging manner, with respect to a central axis X of the base.
  • the axes Y passing through said teeth 220 form an angle ⁇ not zero with the X axis, and preferably an acute angle. So, by choosing the angle ⁇ and of the height of the teeth, we can determine the surface width over which the product is applied when the application head passes through the hair.
  • the divergent configuration of said teeth 220 can be obtained during the demoulding of the distribution head 3.
  • the base 222 is mounted so movable elastically on a coupling ring 26 using a bellows 230.
  • This bellows allows both movement of the application head along the X axis by axial compression of the bellows, and an omnidirectional movement in the manner of a ball joint, caused by any lateral support on at least one of said teeth.
  • the coupling ring 26, bellows 230, base 222 is teeth 220 are made of a single plastic material, in particular rigid or semi-rigid.

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  • Health & Medical Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Closures For Containers (AREA)
  • Cleaning And Drying Hair (AREA)

Abstract

The applicator forhair dye (1) has a container (4) for the cosmetic (P) with a dispensing head (3) having a base (22) with at least two dispensingopenings (24). The tubes have internal feed channels (25) opening at the free ends and connected to the container. An elastically deformable sleeve (30) is positioned between the base amnd container to allow the head to be extended.

Description

L'invention concerne un ensemble pour l'application d'un produit, sur les cheveux ou le cuir chevelu. En particulier, l'invention vise un ensemble pour l'application d'une teinture capillaire sur la chevelure ou un produit de traitement sur le cuir chevelu.The invention relates to an assembly for applying a product to the hair. or the scalp. In particular, the invention relates to a set for the application a hair dye on the hair or a treatment product on the leather Scalp.

L'ensemble d'application visé par la présente invention est du type à au moins deux embouts d'application, notamment sous forme de dents creuses, traversées par un canal d'alimentation en produit, débouchant sur un orifice de distribution. Cet orifice de distribution est alimenté en produit à partir d'un réservoir de produit associé à cet ensemble.The application set targeted by the present invention is of the type at least two application tips, in particular in the form of hollow teeth, passed through by a product supply channel, leading to a dispensing orifice. This dispensing orifice is supplied with product from a product reservoir associated with this set.

Des applicateurs comportant une pluralité de dents creuses, alignées sur une ligne droite ou courbe sont connus, notamment dans le domaine du traitement capillaire, tel que la teinture pour cheveux.Applicators comprising a plurality of hollow teeth, aligned on a straight line or curve are known, especially in the field of treatment hair, such as hair dye.

Des applicateurs de ce type sont décrits par exemple, dans les documents US-A-2 624 348, US-A-5 054 504 et WO-A-98/01 053. Ces applicateurs connus comportent une pluralité des dents creuses alignées sur une embase allongée et alimentées par un produit liquide contenu dans un réservoir. Les extrémités libres de ces dents forment des orifices de distribution, agencés en une rangée, à la manière d'un peigne. L'embase allongée, ainsi que les dents qui en sont solidaires sont réalisées en un matériau rigide.Applicators of this type are described, for example, in documents US-A-2 624 348, US-A-5,054,504 and WO-A-98 / 01,053. These known applicators have a plurality of hollow teeth aligned on an elongated base and supplied with a liquid product contained in a tank. Free ends of these teeth form distribution orifices, arranged in a row, at the like a comb. The elongated base, as well as its teeth integral are made of a rigid material.

Par ailleurs, par le document DE-GM-69 01 735, on connaít un applicateur permettant de distribuer et de masser un produit sur le cuir chevelu. Cet applicateur comporte une semelle rigide, sur laquelle est implantée une pluralité de dents creuses, agencées en plusieurs rangées sur la surface de la semelle, à la manière d'une brosse. Les extrémités libres des dents définissent un plan. La semelle rigide fait partie d'un réservoir de produit, lequel réservoir comporte une portion élastiquement déformable. Lors de l'application du produit, une pression est exercée sur la portion élastiquement déformable du réservoir, pour provoquer l'expulsion du produit par l'orifice de distribution des dents creuses.Furthermore, from document DE-GM-69 01 735, there is known an applicator allowing to distribute and massage a product on the scalp. This applicator comprises a rigid sole, on which a plurality is implanted hollow teeth, arranged in several rows on the surface of the sole, the way of a brush. The free ends of the teeth define a plane. The rigid sole is part of a product tank, which tank has a elastically deformable portion. When applying the product, pressure is exerted on the elastically deformable portion of the reservoir, to cause the expulsion of the product through the dispensing orifice of the hollow teeth.

Le document EP 0 943 260 décrit un applicateur sur lequel sont montés des doigts par l'intermédiaire d'une embase commune à ces doigts. Les doigts sont munis d'ouvertures de sortie par lesquelles la préparation sort pour arriver sur la zone souhaitée des cheveux. Les doigts peuvent être réalisés en matériau élastique.The document EP 0 943 260 describes an applicator on which are mounted fingers via a base common to these fingers. The fingers are provided with outlet openings through which the preparation leaves to reach the desired area of hair. The fingers can be made of material elastic.

Les applicateurs décrits ci-dessus présentent un certain nombre d'inconvénients majeurs. En effet, le positionnement correct d'une pluralité de dents par rapport au cuir chevelu ou la chevelure est délicat à effectuer, compte tenu de la morphologie du crâne, en l'occurrence avec un profil de courbure variable. Ainsi, lorsque l'utilisateur ne prend pas de dispositions particulières, l'extrémité d'une partie des dents frotte sur le cuir chevelu et risque de provoquer des irritations, tandis qu'une autre partie des dents reste éloignée du cuir chevelu. Un tel traitement est ressenti comme désagréable, voire gênant, par l'utilisateur. De plus, l'application du produit n'est pas homogène, car une partie du produit est appliquée sur le cuir chevelu, tandis qu'une autre partie du produit est dispersée à distance du cuir chevelu, dans la chevelure, loin de la racine ou de la base des cheveux.The applicators described above have a number of drawbacks major. Indeed, the correct positioning of a plurality of teeth relative scalp or the hair is tricky to perform, given the morphology of the skull, in this case with a variable profile of curvature. So, when the user does not make any special arrangements, the end of a part of the teeth rubs on the scalp and may cause irritation, while another part of the teeth stays away from the scalp. Such treatment is perceived as unpleasant, even annoying, by the user. Of more, the application of the product is not homogeneous, because part of the product is applied to the scalp, while another part of the product is dispersed to distance from the scalp, in the hair, away from the root or base of the hair.

Une telle application non homogène est particulièrement indésirable, notamment lorsqu'une teinture capillaire doit être appliquée sur la base repoussante des cheveux préalablement teints. En effet, dans ce type d'application, seule la racine des cheveux nécessite d'être traitée. Une telle application est gênante également, lorsque seul le cuir chevelu doit être traité.Such non-homogeneous application is particularly undesirable, in particular when a hair dye must be applied to the repellant base of previously dyed hair. Indeed, in this type of application, only the root hair needs to be treated. Such an application is also annoying, when only the scalp needs to be treated.

La présente invention a pour objet, notamment d'améliorer, voire de rendre plus efficace et plus agréable, le traitement des cheveux ou du cuir chevelu par un produit, en assurant un positionnement variable des orifices de distribution, de manière à appliquer ledit produit précisément à l'endroit souhaité. The object of the present invention is, in particular to improve, or even make more effective and more pleasant, the treatment of hair or scalp with a product, ensuring variable positioning of the dispensing orifices, so as to apply said product precisely to the desired location.

On connaít, par ailleurs, par le document FR-A-2 647 034, un dispositif pour l'application d'un produit liquide sur la peau, comportant un dôme d'application poreux, rigide. Cet élément d'application est monté sur un réservoir de produit via une zone flexible telle qu'un soufflet. Cette disposition confère au système une certaine souplesse par pivotement radial dans tous les sens et assure un confort d'application particulier.We also know from document FR-A-2 647 034, a device for applying a liquid product to the skin, comprising an application dome porous, rigid. This application element is mounted on a product tank via a flexible area such as a bellows. This provision gives the system a some flexibility by radial pivoting in all directions and ensures comfort of particular application.

Le dispositif ci-dessus n'est pas adapté pour l'application d'un produit liquide sur (ou dans) la chevelure ou sur le cuir chevelu. En effet, en utilisant ce type dispositif, le produit ne peut pas pénétrer à l'intérieur de la chevelure ou s'appliquer sur le cuir chevelu. De plus, de par la structure du dôme poreux, la distribution d'une quantité de produit relativement importante est quasiment exclue.The above device is not suitable for applying a liquid product to (or in) the hair or on the scalp. Indeed using this type device, the product cannot get inside the hair or apply to the scalp. In addition, due to the structure of the porous dome, the distribution of a relatively large quantity of product is almost excluded.

Par ailleurs, le brevet US 2,939,615 décrit un applicateur de produit de traitement capillaire comprenant une tête de distribution montée sur un réservoir. La tête de distribution comprend une chambre d'éjection flexible grâce à la présence d'un soufflet formant une paroi de la chambre. La chambre est fermée par une paroi supérieure plane munie de petites ouvertures qui sont en communication avec la chambre d'éjection. Des éléments pleins formant saillie de forme conique sont montés sur la paroi supérieure, de façon adjacente à chaque ouverture. Une rainure est prévue le long d'un des côtés de chaque élément conique pour être en communication avec l'ouverture correspondante prévue sur la paroi plane. Lorsqu'on applique le dispositif sur les cheveux, le produit sort par les ouvertures prévues sur la paroi supérieure plane de la chambre d'éjection. Le produit est à ce moment en contact avec les cheveux. Même si une partie s'écoule le long des rainures à savoir le long des éléments coniques, le produit pourra difficilement atteindre le cuir chevelu ou la racine des cheveux du fait que les ouvertures de sortie du produit sont formées sur la surface plane.Furthermore, US patent 2,939,615 describes a treatment product applicator capillary comprising a dispensing head mounted on a reservoir. The head of distribution includes a flexible ejection chamber thanks to the presence of a bellows forming a wall of the chamber. The room is closed by a wall flat top with small openings which are in communication with the ejection chamber. Solid elements protruding in a conical shape are mounted on the upper wall, adjacent to each opening. A groove is provided along one of the sides of each conical element to be in communication with the corresponding opening provided on the flat wall. When the device is applied to the hair, the product comes out through the openings provided on the flat upper wall of the ejection chamber. The product is this moment in contact with the hair. Even if a part flows along the grooves namely along the conical elements, the product will hardly reach the scalp or hairline because the openings in product outlet are formed on the flat surface.

La présente invention vise à remédier aux inconvénients que présentent les dispositifs antérieurs ci-dessus. The present invention aims to remedy the drawbacks that the previous devices above.

Aussi, est-ce un objet de la présente invention que de fournir un ensemble équipé d'une tête d'application permettant un positionnement approprié et variable des orifices de distribution, en fonction du profil du crâne, tout en assurant une grande précision d'application.It is therefore an object of the present invention to provide an assembly equipped an application head allowing appropriate and variable positioning of the distribution orifices, depending on the profile of the skull, while ensuring a large application precision.

Un autre objet de l'invention consiste à permettre la distribution d'une quantité de produit importante.Another object of the invention is to allow the distribution of a quantity of important product.

Selon un autre objet de l'invention, cet applicateur doit présenter, en outre, une souplesse d'application particulière, de manière à éviter lors du traitement, toute agression ou irritation du cuir chevelu.According to another object of the invention, this applicator must also have a flexibility of particular application, so as to avoid during treatment, any aggression or irritation of the scalp.

Aussi, la présente invention a pour objet de fournir un ensemble pour l'application d'un produit, notamment liquide, sur les cheveux ou le cuir chevelu, comportant un réservoir pour ledit produit, d'axe longitudinal, surmonté d'une tête d'application comportant une embase portant au moins deux embouts d'application, chacun desdits embouts d'application se présentant sous la forme d'une dent creuse traversée par un canal d'acheminement débouchant, à une extrémité libre de la dent, sur un orifice de distribution et en communication avec le réservoir, des moyens élastiquement déformables étant prévus entre ladite embase et le réservoir, pour autoriser un mouvement relatif de l'embase par rapport au réservoir, en réponse à une contrainte axiale et/ou latérale exercée sur l'un au moins des embouts.Also, the object of the present invention is to provide a set for the application a product, in particular liquid, on the hair or scalp, comprising a reservoir for said product, of longitudinal axis, surmounted by a head application comprising a base carrying at least two ends application, each of said application tips being in the form a hollow tooth crossed by a through channel, at a free end of the tooth, on a dispensing orifice and in communication with the reservoir, elastically deformable means being provided between said base and the tank, to allow relative movement of the base by relation to the reservoir, in response to an axial and / or lateral stress exerted on at least one of the end pieces.

De préférence le mouvement autorisé entre l'embase et le réservoir est un mouvement à la fois selon l'axe du réservoir, et, à la manière d'une rotule, de pivotement selon n'importe quelle direction radiale par rapport audit axe X.Preferably the movement allowed between the base and the tank is a movement both along the axis of the tank, and, like a ball joint, pivoting in any radial direction with respect to said X axis.

En raison de certains avantages d'application expliqués plus loin, lesdites dents sont de préférence au nombre de trois. Dans ce cas, avantageusement, les dents sont disposées sur l'embase selon un triangle, notamment selon un triangle isocèle. Cependant, un nombre supérieur à trois peut être envisagé, le cas échéant, en adoptant une disposition d'implantation appropriée. Due to certain application advantages explained below, said teeth are preferably three in number. In this case, advantageously, the teeth are arranged on the base according to a triangle, in particular along a triangle isosceles. However, a number greater than three can be envisaged, the case if necessary, by adopting an appropriate layout arrangement.

De manière avantageuse, les moyens élastiquement déformables sont formés par une membrane annulaire. En particulier, ces moyens élastiquement déformables permettent aux extrémités des dents d'être mobiles, soit de manière axiale, soit à la manière d'une rotule. Cette disposition permet d'orienter les orifices de distribution, de manière aussi précise que possible, à l'endroit désiré, en fonction du profil du crâne. Cette disposition permet, selon un aspect important de l'invention, de positionner convenablement trois, ou même d'avantage, dents de distribution.Advantageously, the elastically deformable means are formed by an annular membrane. In particular, these elastically deformable means allow the ends of the teeth to be movable, either axially or the way of a ball joint. This arrangement makes it possible to orient the orifices of distribution, as precisely as possible, to the desired location, depending of the skull profile. This arrangement allows, according to an important aspect of the invention, to properly position three, or even more, teeth distribution.

Selon un mode de réalisation, ces moyens élastiquement déformables peuvent être réalisés d'un matériau identique à celui de l'ensemble de la tête d'application et être formés par une portion annulaire de moindre épaisseur. Ces moyens élastiquement déformables peuvent être formés, alternativement, par une portion comportant un soufflet ou une portion comportant au moins une ondulation annulaire.According to one embodiment, these elastically deformable means can be made of a material identical to that of the entire application head and be formed by a thinner annular portion. These means elastically deformable can be formed, alternatively, by a portion comprising a bellows or a portion comprising at least one corrugation annular.

Alternativement encore, ces moyens élastiquement déformables peuvent être formés d'un matériau du type élastomère, différent de celui formant l'embase et les embouts.Alternatively again, these elastically deformable means can be formed of a material of the elastomer type, different from that forming the base and end caps.

La membrane annulaire peut être réalisée en caoutchouc naturel ou synthétique, ou en un élastomère thermoplastique classique.The annular membrane can be made of natural or synthetic rubber, or a conventional thermoplastic elastomer.

Généralement, la déformabilité d'un tel matériau élastomérique résulte d'une composante de flexion, qui traduit l'aptitude de l'embase, soit à pivoter comme une rotule, soit à se déplacer axialement ou latéralement, en réponse à une contrainte, et revenir par élasticité dans sa forme initiale, lorsque cesse la contrainte. La flexibilité d'un matériau, approprié pour former ces moyens élastiquement déformables, peut être caractérisée par son module de flexion. Les matériaux envisagés par l'invention présentent de préférence un module de flexion au plus égal à 200 MPa (Module d'Young en flexion). La flexibilité des moyens élastiquement déformables résulte de la nature du matériau les constituant et/ou de leur configuration.Generally, the deformability of such an elastomeric material results from a bending component, which reflects the ability of the base, either to pivot as a ball joint, either to move axially or laterally, in response to a constraint, and return by elasticity to its initial form, when the constraint. The flexibility of a material, suitable for forming these means elastically deformable, can be characterized by its flexural modulus. The materials envisaged by the invention preferably have a module of bending at most equal to 200 MPa (Young's modulus in bending). The flexibility of elastically deformable means results from the nature of the material constituent and / or their configuration.

Avantageusement encore, le matériau élastomérique peut être caractérisé par une dureté Shore A, comprise entre 40 et 70.Advantageously also, the elastomeric material can be characterized by a Shore A hardness between 40 and 70.

De préférence, les moyens élastiquement déformables sont solidaires d'un organe de fixation, notamment d'une bague, apte à assurer la fixation de la tête d'application sur le réservoir, par exemple par vissage, claquage ou tout autre moyen approprié.Preferably, the elastically deformable means are integral with a fixing member, in particular a ring, suitable for fixing the head application to the tank, for example by screwing, snapping or any other appropriate means.

De manière préférentielle, les dents d'application forment une seule pièce avec ladite embase, laquelle peut être obtenue par moulage d'un matériau approprié.Preferably, the application teeth form a single piece with said base, which can be obtained by molding a suitable material.

Lorsque la membrane est en élastomère, elle peut être réalisée par biinjection dans un moule approprié. Ainsi, de préférence la tête d'application est réalisée par injection d'un premier matériau en élastomère pour former lesdits moyens élastiquement déformables, et d'un second matériau de rigidité supérieure à la rigidité du premier pour former l'embase ainsi que le moyen de fixation. Avantageusement, le second matériau est choisi parmi les matériaux thermoplastiques sensiblement rigides ou semi-rigides, comme le polyéthylène haute densité ou le polypropylène.When the membrane is made of elastomer, it can be produced by biinjection in a suitable mold. Thus, preferably the application head is produced by injection of a first elastomer material to form said means elastically deformable, and of a second material of rigidity greater than the rigidity of the first to form the base as well as the fixing means. Advantageously, the second material is chosen from the materials substantially rigid or semi-rigid thermoplastics, such as polyethylene high density or polypropylene.

La membrane en élastomère peut être également réalisée par surmoulage dans un moule approprié entre l'embase et l'organe de fixation, l'embase et l'organe de fixation étant réalisés par injection d'un matériau thermoplastique équivalent au second matériau mentionné ci-dessus, et reliés par des ponts de matière du type charnière-film. Ces ponts de matière, de faible épaisseur, sont ensuite surmoulés d'élastomère pour former la membrane élastiquement déformable.The elastomer membrane can also be produced by overmolding in a suitable mold between the base and the fixing member, the base and the fixing being made by injection of a thermoplastic material equivalent to second material mentioned above, and connected by bridges of material of the type film hinge. These thin material bridges are then overmolded of elastomer to form the elastically deformable membrane.

De manière préférentielle, les dents présentent une forme tronconique, de section décroissante en direction de l'orifice de distribution. Cette disposition permet notamment, une bonne pénétration desdites dents dans la chevelure. Preferably, the teeth have a frustoconical shape, of section decreasing towards the dispensing orifice. This provision allows in particular, good penetration of said teeth into the hair.

Lesdites dents peuvent avoir une orientation générale, dont l'axe est parallèle ou divergent, par rapport à l'axe longitudinal du réservoir. L'écartement de l'axe passant par lesdites dents, de manière divergente par rapport à l'axe longitudinal du réservoir, permet de régler la distance entre les orifices de distribution, et permet ainsi de configurer la largeur des raies tracées dans la chevelure et de déterminer la largeur totale de la surface à traiter. De préférence, lesdites dents présentent des hauteurs sensiblement identiques.Said teeth may have a general orientation, the axis of which is parallel or diverge from the longitudinal axis of the tank. Spacing of the axis passing through said teeth, diverging from the longitudinal axis of the tank, adjusts the distance between the dispensing orifices, and allows you to configure the width of the lines drawn in the hair and determine the total width of the surface to be treated. Preferably, said teeth have substantially identical heights.

Selon un mode de réalisation particulier, l'embase portant les dents présente une forme de dôme.According to a particular embodiment, the base carrying the teeth has a dome shape.

Par ailleurs, tout ou partie des dents d'application peut être pourvu d'un revêtement de flocage favorisant la répartition du produit à appliquer.Furthermore, all or part of the application teeth can be provided with a flocking coating favoring the distribution of the product to be applied.

Par ailleurs, la réalisation d'une gouttière autour de tout ou partie des dents formée notamment par les moyens élastiquement déformables permet, le cas échéant, de recueillir un surplus de produit, s'écoulant éventuellement après application.In addition, the creation of a gutter around all or part of the teeth formed in particular by the elastically deformable means allows, where if necessary, collect a surplus of product, possibly flowing after application.

Le réservoir quant à lui, est de préférence élastiquement déformable, notamment par compression. Avantageusement, le réservoir est conformé se sorte qu'il puisse servir d'organe de préhension. Ainsi, lors d'un déplacement suivant le profil du cuir chevelu ou suivant la chevelure à traiter, l'utilisateur tient l'ensemble dans une main, tout en ayant la possibilité de doser simultanément le produit en cours de distribution, en exerçant une pression appropriée sur les parois du réservoir.The reservoir, for its part, is preferably elastically deformable, in particular by compression. Advantageously, the reservoir is shaped so that it can serve as a gripping organ. Thus, during a displacement following the profile of the scalp or according to the hair to be treated, the user holds the whole in one hand, while having the possibility of simultaneously dosing the product in distribution course, applying appropriate pressure to the walls of the tank.

Tous les orifices de distribution peuvent être mis au contact d'un support non plan, tel que le cuir chevelu, de manière déterminée et orientée, permettant d'appliquer, en outre, le produit sur une surface relativement étendue. Grâce à l'aptitude de l'embase d'être mobile de façon multi-directionnelle (en compression axiale, en flexion latérale, ou en combinaison des deux, à la manière d'une rotule) toutes les extrémités des dents sont aptes à venir simultanément au contact du cuir chevelu, en tout cas, à proximité de ce dernier.All dispensing orifices can be brought into contact with a non-support plan, such as the scalp, in a determined and oriented manner, allowing to apply, moreover, the product on a relatively large surface. Thanks to the ability of the base to be multi-directional mobile (in compression axial, in lateral flexion, or in combination of the two, like a ball joint) all the ends of the teeth are capable of coming into contact simultaneously with the scalp, in any case, near the latter.

Ainsi, grâce à la mobilité de l'embase avec les dents, à la manière d'une rotule, le problème d'orientation optimale ou quasi-optimale des orifices d'application par rapport à la surface du crâne est résolu, et ceci notamment avec une disposition à trois dents, disposées selon un triangle, comme décrit ci-dessus. De plus, il est possible d'assurer un contact doux avec le cuir chevelu pendant tout le déplacement de l'ensemble lors de l'application du produit, évitant des irritations qui résulteraient de l'utilisation d'un applicateur du type peigne rigide.Thus, thanks to the mobility of the base with the teeth, in the manner of a ball joint, the problem of optimal or quasi-optimal orientation of the application orifices by relation to the surface of the skull is resolved, and this in particular with a disposition to three teeth, arranged in a triangle, as described above. In addition, it is possible to ensure gentle contact with the scalp throughout displacement of the assembly during the application of the product, avoiding irritation which would result from the use of an applicator of the rigid comb type.

En effet, les moyens élastiquement déformables jouent un rôle d'amortisseur dans le sens axial de l'ensemble, lors de la mise en contact des dents avec le cuir chevelu. En outre, lors du déplacement des dents dans la chevelure, le traçage de raies peut être effectué en douceur, avec un tiraillement moindre sur les cheveux, grâce à l'élasticité latérale que présentent les dents. Ainsi, on obtient une application souple et douce sur le cuir chevelu, évitant ainsi toute agression de celui-ci. Par ailleurs, on obtient ainsi également un effet de démêlage des cheveux.Indeed, the elastically deformable means act as a shock absorber in the axial direction of the assembly, when the teeth come into contact with the leather Scalp. In addition, when moving teeth in the hair, tracing of lines can be done gently, with less tightness on the hair, thanks to the lateral elasticity of the teeth. So, we get a flexible and soft application on the scalp, thus avoiding any aggression of it. In addition, a detangling effect of the hair.

Lorsqu'on effectue une application avec un ensemble d'application ayant une disposition de trois dents agencées en triangle, avantageusement, une première dent est orientée à l'avant dans la direction du déplacement, permettant de tracer une raie principale. Les deux autres dents qui « suivent » permettent de tracer deux raies secondaires, situées de part et d'autre de la raie principale. La distance entre les dents qui suivent est déterminante pour la largeur de la surface traitée.When performing an application with an application set having a arrangement of three teeth arranged in a triangle, advantageously, a first tooth is oriented at the front in the direction of movement, making it possible to trace a main line. The other two teeth that "follow" are used to trace two secondary lines, located on either side of the main line. The distance between the following teeth is decisive for the width of the surface treated.

L'ensemble d'application de l'invention convient, en particulier, à l'application d'un produit de consistance plus ou moins fluide, notamment sur le cuir chevelu ou la chevelure. The application assembly of the invention is suitable, in particular, for the application of a product of more or less fluid consistency, especially on the scalp or hair.

A titre d'exemples de produits, susceptibles d'être appliqués à l'aide de l'ensemble d'application, de l'invention, on citera les teintures pour les matières kératiniques, les shampooings, les conditionneurs et les produits de mise en plis capillaires, les compositions pour traiter les affections du cuir chevelu, telles que les pellicules ou le psoriasis, etc..As examples of products, which can be applied using the set of applications, of the invention, mention will be made of dyes for materials keratin, shampoos, conditioners and styling products capillaries, compositions for treating conditions of the scalp, such as dandruff or psoriasis, etc.

D'autres caractéristiques et avantages de la présente invention apparaítront de manière détaillée à la lecture de la description qui va suivre de plusieurs modes de réalisation de l'invention, donnés à titre d'exemples purement illustratifs et nullement limitatifs, représentés sur le dessin annexé.Other characteristics and advantages of the present invention will become apparent from detailed manner on reading the description which follows of several modes of embodiment of the invention, given by way of purely illustrative examples and in no way limiting, shown in the accompanying drawing.

Sur ce dessin :

  • la figure 1 représente une vue partielle en perspective d'un ensemble d'application conforme à l'invention ;
  • la figure 2 est une vue en coupe axiale de l'ensemble d'application de la figure 1 ;
  • la figure 3 est une vue en coupe axiale d'un ensemble d'application, selon un autre mode de réalisation de l'invention ;
  • la figure 4 représente une vue agrandie partielle, en coupe axiale, selon la figure 3 ;
  • les figures 5 et 6 montrent une vue en perspective d'une tête de distribution 3, selon un autre mode encore de réalisation.
On this drawing :
  • Figure 1 shows a partial perspective view of an application assembly according to the invention;
  • Figure 2 is an axial sectional view of the application assembly of Figure 1;
  • Figure 3 is an axial sectional view of an application assembly, according to another embodiment of the invention;
  • Figure 4 shows a partial enlarged view, in axial section, according to Figure 3;
  • Figures 5 and 6 show a perspective view of a dispensing head 3, according to yet another embodiment.

En référence notamment aux figures 1 et 2, on voit un ensemble d'application 1 pour l'application d'un produit P fluide sur la chevelure et/ou le cuir chevelu. Cet ensemble se compose essentiellement de deux parties : un réservoir 4 contenant ledit produit P, et un organe d'application 2 dudit produit. L'organe d'application 2 comporte une bague de couplage 26 apte à permettre la fixation de l'organe d'application 2 sur le réservoir 4. With particular reference to FIGS. 1 and 2, an application assembly 1 is seen. for the application of a fluid P product on the hair and / or scalp. This set essentially consists of two parts: a tank 4 containing said product P, and an application member 2 of said product. Application body 2 comprises a coupling ring 26 capable of allowing the attachment of the member 2 on tank 4.

Le réservoir 4 est constitué d'un flacon ayant un axe longitudinal X et présentant un corps 5, notamment de section transversale ovale ou circulaire. Le réservoir 4 comporte un fond fermé 6. Du côté opposé au fond 6, le flacon 4 forme un épaulement 7, se prolongeant sous forme d'un goulot cylindrique 8, de section inférieure à la plus grande section du réservoir. Le goulot 8 comporte un filetage extérieur 8a. Le réservoir 4 est conformé de manière à permettre une prise en main aisée. Ainsi, lors de l'utilisation de l'ensemble d'application 1, le corps 5 du réservoir 4 peut faire office d'organe de préhension.The reservoir 4 consists of a bottle having a longitudinal axis X and having a body 5, in particular of oval or circular cross section. The tank 4 has a closed bottom 6. On the side opposite the bottom 6, the bottle 4 forms a shoulder 7, extending in the form of a cylindrical neck 8, of section less than the largest section of the tank. The neck 8 has a thread exterior 8a. The reservoir 4 is shaped so as to allow a grip easy hand. Thus, when using the application assembly 1, the body 5 of the tank 4 can act as a gripping member.

Sur le goulot 8 est fixée, par vissage, une tête d'application 3, comportant une bague de couplage 26, munie d'un filetage intérieur 27, complémentaire du filetage extérieur 8a du goulot. La bague de couplage 26 comporte un profil externe 28, facilitant le montage ou le démontage de l'organe d'application 2 sur le réservoir 4.On the neck 8 is fixed, by screwing, an application head 3, comprising a coupling ring 26, provided with an internal thread 27, complementary to the external thread 8a of the neck. The coupling ring 26 has a profile 28, facilitating the mounting or dismounting of the application member 2 on the tank 4.

La bague de couplage 26 délimite un passage intérieur 29. Ce passage débouche sur une première extrémité 21 de plusieurs canaux d'acheminement 25, pratiqués à l'intérieur de chacune de plusieurs dents creuses 20 associées. Les canaux d'acheminement 25 débouchent à leur tour chacun sur un orifice de distribution 24, formé sur une seconde extrémité libre 20b de chaque dent 20.The coupling ring 26 defines an interior passage 29. This passage opens out on a first end 21 of several routing channels 25, practiced inside each of several associated hollow teeth 20. Canals 25 in turn each lead to a distribution orifice 24, formed on a second free end 20b of each tooth 20.

La bague de couplage 26 comporte intérieurement une jupe d'étanchéité 26a pour permettre un montage étanche de l'organe d'application 2 sur le goulot 8 du réservoir 4.The coupling ring 26 has internally a sealing skirt 26a for allow a tight fitting of the applicator member 2 on the neck 8 of the tank 4.

Les dents 20 sont portées par une embase circulaire 22, de forme bombée vers l'extérieur.The teeth 20 are carried by a circular base 22, of convex shape towards outside.

Les dents 20 présentent une section longitudinale tronconique, comportant une base 20a de section transversale plus importante que la section transversale de leur extrémité libre 20b, la base 20a étant solidaire de l'embase 22. Une paroi périphérique 31 se raccorde à l'embase 22 et s'étend sur une faible hauteur, perpendiculairement à celle-ci, en direction du réservoir. Une portion annulaire 30, élastiquement déformable, est raccordée à la paroi périphérique 31. Cette portion annulaire 30 forme une sorte de soufflet, définissant avec la paroi périphérique 31 une gouttière annulaire 23 dont le fond est orienté vers le réservoir 4. Cette gouttière 23 peut recevoir, après utilisation, des résidus de produit s'écoulant éventuellement le long des dents 20, puis et sur l'embase 22.The teeth 20 have a frustoconical longitudinal section, comprising a base 20a of cross section larger than the cross section of their free end 20b, the base 20a being integral with the base 22. A wall peripheral 31 is connected to the base 22 and extends over a small height, perpendicular to it, towards the tank. An annular portion 30, elastically deformable, is connected to the peripheral wall 31. This portion annular 30 forms a sort of bellows, defining with the peripheral wall 31 an annular gutter 23 whose bottom is oriented towards the reservoir 4. This gutter 23 can receive, after use, residues of flowing product possibly along the teeth 20, then and on the base 22.

La portion annulaire 30 présente une épaisseur faible de manière à permettre une déformation élastique, lorsqu'une contrainte axiale et/ou latérale est exercée sur les extrémités libres 20b des dents 20.The annular portion 30 has a small thickness so as to allow a elastic deformation, when an axial and / or lateral stress is exerted on the free ends 20b of the teeth 20.

Il est bien entendu que la portion annulaire 31 peut configurée différemment, à la condition d'être apte avantageusement, à assurer les fonctions suivantes :

  • elle doit autoriser un mouvement élastique de l'embase et des dents applicatrices, selon l'axe X, lorsqu'une contrainte axiale est exercée simultanément sur l'extrémité libre de toutes les dents ;
  • elle doit autoriser un mouvement élastique de l'embase et des dents applicatrices, selon un mouvement de pivot ou basculement par rapport à l'axe X, c'est à dire à la manière d'une rotule, lorsqu'une contrainte latérale est exercée sur l'extrémité libre d'au moins l'une des dents, et ce quelle que soit l'orientation radiale de la contrainte latérale permettant d'amener tous les orifices de distribution 24 simultanément le plus près possible de la zone à traiter.
It is understood that the annular portion 31 can be configured differently, provided that it is advantageously suitable, to perform the following functions:
  • it must allow elastic movement of the base and the applicator teeth, along the X axis, when an axial stress is exerted simultaneously on the free end of all the teeth;
  • it must allow an elastic movement of the base and the applicator teeth, in a pivoting or tilting movement relative to the X axis, that is to say in the manner of a ball joint, when a lateral constraint is exerted on the free end of at least one of the teeth, regardless of the radial orientation of the lateral stress allowing all the dispensing orifices 24 to be brought simultaneously as close as possible to the area to be treated.

Comme visible sur les figures 1 à 3, la face apparente de l'embase 22 comporte trois dents 20, s'étendant chacune selon un axe Y, orienté au repos de manière sensiblement parallèle ou divergente par rapport à l'axe X du réservoir. Au cours de l'application du produit, l'orientation de l'axe Y par rapport à l'axe X est modifiée, grâce à la mobilité élastique des dents. Il est à noter que les axes Y des dents 20 sont parallèles les uns par rapport aux autres.As shown in Figures 1 to 3, the visible face of the base 22 comprises three teeth 20, each extending along an axis Y, oriented at rest so substantially parallel or diverging with respect to the axis X of the reservoir. During of the product application, the orientation of the Y axis relative to the X axis is modified, thanks to the elastic mobility of the teeth. It should be noted that the Y axes of teeth 20 are parallel to each other.

Toutes les dents 20 présentent une hauteur H sensiblement égale. Selon l'exemple considéré, cette hauteur H est d'environ 20 mm, mesurée entre la base 20a et l'extrémité libre 20b. All the teeth 20 have a substantially equal height H. according to the example considered, this height H is approximately 20 mm, measured between the base 20a and the free end 20b.

L'extrémité libre 20b des dents 20 est pourvue d'un orifice de distribution 24. Les orifices de distribution 24 communiquent avec le réservoir 4, via les canaux d'acheminement 25 ménagés à l'intérieur des dents 20 et traversant l'épaisseur de l'embase 22, et via le passage 29. Ainsi, l'intérieur du réservoir 4 est en communication directe avec chaque orifice de distribution 24.The free end 20b of the teeth 20 is provided with a dispensing orifice 24. The distribution orifices 24 communicate with the reservoir 4, via the channels routing 25 formed inside the teeth 20 and passing through the thickness of the base 22, and via the passage 29. Thus, the interior of the reservoir 4 is in direct communication with each distribution port 24.

Eventuellement, tout ou partie de la surface externe des dents 20 peut être floqué, ce qui permet, le cas échéant, de mieux répartir le produit sur la chevelure, notamment lorsque ce dernier présente une faible viscosité.Optionally, all or part of the external surface of the teeth 20 can be flocked, which allows, if necessary, to better distribute the product over the hair, especially when the latter has a low viscosity.

Pour appliquer le produit P contenu dans le réservoir 4 sur les cheveux ou en vue d'un traitement du cuir chevelu, l'utilisateur saisit l'ensemble d'application 1 par le corps 5 du réservoir 4. Il dirige les dents d'application 2 vers le bas et pose les extrémités libres des dents 20 sur le cuir chevelu, en exerçant un appui léger en direction de celui-ci. Grâce à l'effet de rotule de l'embase 22 portant les dents 20, les trois dents sont orientées, de sorte que leurs orifices de distribution 24 se trouvent sensiblement à proximité du cuir chevelu. En exerçant une pression appropriée sur les parois déformables du corps de réservoir 5, l'utilisateur provoque la sortie d'un flux approprié de produit P. En déplaçant l'organe d'application 2, de la manière décrite précédemment, sur le cuir chevelu, tout en continuant la distribution du produit, il est possible de traiter ainsi, en trois raies, une zone de la chevelure ou du cuir chevelu. Cette opération est répétée pour traiter, à volonté, toutes les zones de la chevelure ou du cuir chevelu.To apply the product P contained in the reservoir 4 to the hair or in view of a scalp treatment, the user enters the application set 1 by the body 5 of the reservoir 4. It directs the application teeth 2 downwards and places the free ends of the teeth 20 on the scalp, applying light pressure direction of it. Thanks to the ball joint effect of the base 22 carrying the teeth 20, the three teeth are oriented, so that their distribution orifices 24 are found noticeably near the scalp. By applying pressure suitable for the deformable walls of the reservoir body 5, the user causes the output of an appropriate flow of product P. By moving the organ application 2, as described above, on the scalp, while continuing the distribution of the product, it is possible to treat thus, in three lines, an area of the hair or scalp. This operation is repeated for treat, at will, all areas of the hair or scalp.

Selon la réalisation de la figure 3, l'ensemble d'application 101 se distingue de l'ensemble d'application 1, en ce que les moyens élastiquement déformables 130 sont réalisés en un matériau élastomérique formant une membrane.According to the embodiment of FIG. 3, the application assembly 101 differs from the application assembly 1, in that the elastically deformable means 130 are made of an elastomeric material forming a membrane.

Sur les figures 3 et 4, les pièces identiques au premier mode de réalisation portent les mêmes numéros de référence. La description de ces pièces ne sera reprise que succinctement. Les pièces différentes portent des numéros de référence majorés de 100, par rapport aux numéros de référence des pièces similaires (ou remplissant une fonction similaire) des figures 1 et 2.In FIGS. 3 and 4, the parts identical to the first embodiment have the same reference numbers. The description of these parts will not be recovery only succinctly. The different pieces have numbers of reference increased by 100, relative to the part reference numbers similar (or performing a similar function) of Figures 1 and 2.

Le matériau constituant la membrane en élastomère 130 est un matériau thermoplastique élastomérique, déformable notamment en flexion et/ou en compression. Il peut être choisi notamment parmi les élastomères thermoplastiques connus, par exemple les copolymères de styrène - éthylène-butadiène - styrène (SEBS), de styrène - butadiène - styrène (SBS), les mélanges contenant ces copolymères ou tout autre élastomère thermoplastique.The material constituting the elastomer membrane 130 is a material elastomeric thermoplastic, deformable in particular in bending and / or in compression. It can be chosen in particular from elastomers known thermoplastics, for example styrene - ethylene-butadiene copolymers - styrene (SEBS), styrene - butadiene - styrene (SBS), mixtures containing these copolymers or any other thermoplastic elastomer.

Par la technique de bi-injection, bien connue dans la technique antérieure, il est possible de réaliser dans un seul moule et en une seule pièce, la bague de couplage 26 en matériau rigide ou semi-rigide, la membrane 130 en élastomère, et l'embase 22 avec les dents 20 en matériau rigide ou semi-rigide.By the bi-injection technique, well known in the prior art, it is possible to make in a single mold and in a single piece, the ring coupling 26 made of rigid or semi-rigid material, the membrane 130 of elastomer, and the base 22 with the teeth 20 of rigid or semi-rigid material.

Les figures 5 et 6 illustrent une tête d'application 3 selon un autre mode de réalisation de l'invention. Sur les figures 5 et 6, les pièces identiques au premier mode de réalisation portent les mêmes numéros de référence. La description de ces pièces ne sera reprise que succinctement. Les pièces différentes portent des numéros de référence majorés de 200, par rapport aux numéros de référence des pièces similaires (ou remplissant une fonction similaire) des pièces correspondantes des figures 1 et 2.Figures 5 and 6 illustrate an application head 3 according to another mode of realization of the invention. In Figures 5 and 6, the parts identical to the first embodiment bear the same reference numbers. The description of these parts will be resumed only succinctly. Different pieces have reference numbers increased by 200, compared to the reference numbers of similar parts (or performing a similar function) parts corresponding to Figures 1 and 2.

Selon le mode de réalisation considéré, trois dents 220 sont agencées sur une embase bombée 222 de manière divergente, par rapport à un axe central X de l'embase. Ainsi, les axes Y passant par lesdites dents 220 forment un angle α non nul avec l'axe X, et de préférence un angle aigu. Ainsi, par le choix de l'angle α et de la hauteur des dents, on peut déterminer la largeur de surface sur laquelle le produit est appliqué lors d'un passage de la tête d'application dans la chevelure.According to the embodiment considered, three teeth 220 are arranged on a convex base 222 in a diverging manner, with respect to a central axis X of the base. Thus, the axes Y passing through said teeth 220 form an angle α not zero with the X axis, and preferably an acute angle. So, by choosing the angle α and of the height of the teeth, we can determine the surface width over which the product is applied when the application head passes through the hair.

La configuration divergente desdites dents 220 peut être obtenue lors du démoulage de la tête de distribution 3. L'embase 222 est montée de manière mobile élastiquement sur une bague de couplage 26 à l'aide d'un soufflet 230. Ce soufflet permet à la fois un mouvement de la tête d'application selon l'axe X par compression axiale du soufflet, et un mouvement omnidirectionnel à la manière d'une rotule, provoqué par tout appui latéral sur l'une au moins desdites dents. La bague de couplage 26, le soufflet 230, l'embase 222 est les dents 220 sont réalisés en un seul matériau plastique, notamment rigide ou semi-rigide.The divergent configuration of said teeth 220 can be obtained during the demoulding of the distribution head 3. The base 222 is mounted so movable elastically on a coupling ring 26 using a bellows 230. This bellows allows both movement of the application head along the X axis by axial compression of the bellows, and an omnidirectional movement in the manner of a ball joint, caused by any lateral support on at least one of said teeth. The coupling ring 26, bellows 230, base 222 is teeth 220 are made of a single plastic material, in particular rigid or semi-rigid.

Dans la description détaillée qui précède, il a été fait référence à deux modes de réalisation particuliers de l'invention. Il est évident que des variantes peuvent y être apportées sans s'écarter de l'esprit de l'invention telle que revendiquée ci-après.In the above detailed description, reference has been made to two modes of particular realization of the invention. It is obvious that variants may exist there. be made without departing from the spirit of the invention as claimed below.

Claims (22)

Ensemble (1) pour l'application d'un produit (P) sur les cheveux ou le cuir chevelu, comportant un réservoir (4) d'axe (X) pour ledit produit (P), surmonté d'une tête d'application (3) comprenant une embase (22) portant au moins deux embouts d'application (20), chacun desdits embouts d'application (20) se présentant sous la forme d'une dent creuse traversée par un canal d'acheminement (25) débouchant, à une extrémité libre de la dent, sur un orifice de distribution (24) et en communication avec le réservoir, des moyens élastiquement déformables (30) étant prévus entre ladite embase (22) et le réservoir (4), permettant un mouvement relatif de l'embase par rapport au réservoir, en réponse à une contrainte axiale et/ou latérale exercée sur l'un au moins des embouts.Set (1) for applying a product (P) to hair or leather haired, having a tank (4) of axis (X) for said product (P), surmounted an application head (3) comprising a base (22) carrying at least two application tips (20), each of said application tips (20) is having the form of a hollow tooth through which a channel passes conveying (25) opening, at a free end of the tooth, onto an orifice distribution (24) and in communication with the tank, means elastically deformable (30) being provided between said base (22) and the reservoir (4), allowing relative movement of the base relative to the tank, in response to an axial and / or lateral stress exerted on one at minus tips. Ensemble selon la revendication 1 caractérisé en ce que ledit mouvement relatif est un mouvement le long de l'axe (X) et/ou de pivotement selon n'importe quelle direction radiale par rapport à l'axe (X).An assembly according to claim 1 characterized in that said relative movement is a movement along the axis (X) and / or pivoting in any radial direction relative to the axis (X). Ensemble selon la revendication 1 ou 2, caractérisé en ce que les moyens élastiquement déformables (30) sont formés par une membrane annulaire.Assembly according to claim 1 or 2, characterized in that the elastically deformable means (30) are formed by an annular membrane. Ensemble selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les moyens élastiquement déformables (30) sont formés par une portion de moindre épaisseur.Assembly according to any one of claims 1 to 3, characterized in that the elastically deformable means (30) are formed by a portion of lesser thickness. Ensemble selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les moyens élastiquement déformables (30) sont formés par une portion comportant un soufflet ou au moins une ondulation annulaire.Assembly according to any one of Claims 1 to 4, characterized in that the elastically deformable means (30) are formed by a portion comprising a bellows or at least one annular corrugation. Ensemble selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les moyens élastiquement déformables (30) sont formés en un matériau élastomérique. Assembly according to any one of Claims 1 to 5, characterized in that the elastically deformable means (30) are formed from an elastomeric material. Ensemble selon la revendication 6, caractérisé en ce que le matériau élastomérique présente une dureté Shore A comprise entre 40 et 70.Assembly according to claim 6, characterized in that the elastomeric material has a Shore A hardness of between 40 and 70. Ensemble selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les moyens élastiquement déformables (30) sont solidaires d'un organe, notamment sous forme d'une bague (26), apte à assurer la fixation de la tête d'application (3) sur le réservoir (4).Assembly according to any one of claims 1 to 7, characterized in that the elastically deformable means (30) are integral with a member, in particular in the form of a ring (26), capable of ensuring the fixing of the head d application (3) on the tank (4). Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que les dents (20) sont sensiblement rigides.Assembly according to any one of the preceding claims, characterized in that the teeth (20) are substantially rigid. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que les dents (20) sont obtenues de moulage avec ladite embase (22).Assembly according to any one of the preceding claims, characterized in that the teeth (20) are obtained by molding with said base (22). Ensemble selon l'une quelconque des revendications 7 à 9, caractérisé en ce que la tête d'application (3) est réalisée par biinjection ou surmoulage d'un premier matériau en élastomère pour former lesdits moyens élastiquement déformables, et d'un second matériau de rigidité supérieure à la rigidité du premier pour former l'embase (22) ainsi que le moyen de fixation (26).Assembly according to any one of Claims 7 to 9, characterized in that the application head (3) is produced by biinjection or overmolding of a first elastomer material to form said elastically deformable means, and of a second material of rigidity greater than the rigidity of the first to form the base (22) as well as the fixing means (26). Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que les dents (20) présentent une forme tronconique, de section décroissante en direction de l'orifice de distribution (24).Assembly according to any one of the preceding claims, characterized in that the teeth (20) have a frustoconical shape, of decreasing section in the direction of the dispensing orifice (24). Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que les dents (20) sont au nombre d'au moins trois.Assembly according to any one of the preceding claims, characterized in that the teeth (20) are at least three in number. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que les dents (20) sont au nombre de trois, et disposées sur l'embase (22) selon un triangle, notamment selon un triangle isocèle. Assembly according to any one of the preceding claims, characterized in that the teeth (20) are three in number, and arranged on the base (22) according to a triangle, in particular according to an isosceles triangle. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que les dents (20) ont une orientation générale d'axe (Y), parallèle par rapport à l'axe (X).Assembly according to any one of the preceding claims, characterized in that the teeth (20) have a general orientation of axis (Y), parallel with respect to the axis (X). Ensemble selon l'une quelconque des revendications 1 à 14, caractérisé en ce que les dents (20) ont une orientation générale d'axe (Y), divergent par rapport à l'axe (X).Assembly according to any one of Claims 1 to 14, characterized in that the teeth (20) have a general orientation of axis (Y), diverging with respect to the axis (X). Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que les dents (20) sont de hauteur (H) sensiblement identique.Assembly according to any one of the preceding claims, characterized in that the teeth (20) are of substantially identical height (H). Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que l'embase (22) présente une forme de dôme.Assembly according to any one of the preceding claims, characterized in that the base (22) has a dome shape. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que l'embase (22) se raccorde à au moins une paroi périphérique (30, 31) formant une gouttière (23), entourant tout ou partie desdites dents (20).Assembly according to any one of the preceding claims, characterized in that the base (22) is connected to at least one peripheral wall (30, 31) forming a gutter (23), surrounding all or part of said teeth (20). Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que le réservoir (4) comporte un corps (5) dont les parois sont déformables élastiquement.Assembly according to any one of the preceding claims, characterized in that the reservoir (4) comprises a body (5) whose walls are elastically deformable. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que le réservoir (4) est conformé de manière à faire office d'organe de préhension.Assembly according to any one of the preceding claims, characterized in that the reservoir (4) is shaped so as to act as a gripping member. Utilisation d'un ensemble d'application (1) selon l'une quelconque des revendications précédentes, pour l'application d'un produit (P) sur la chevelure ou sur le cuir chevelu, et en particulier pour l'application d'une teinture capillaire sur la chevelure.Use of an application assembly (1) according to any one of previous claims, for the application of a product (P) to the hair or on the scalp, and in particular for the application of a hair dye on the hair.
EP01401509A 2000-06-28 2001-06-11 Device for applying a product on a support and the use thereof for treating hair Expired - Lifetime EP1169937B1 (en)

Applications Claiming Priority (2)

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FR0008306A FR2810857B1 (en) 2000-06-28 2000-06-28 ASSEMBLY FOR APPLYING A PRODUCT TO A SUPPORT AND USE THEREOF FOR THE TREATMENT OF HAIR
FR0008306 2000-06-28

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EP1169937A1 true EP1169937A1 (en) 2002-01-09
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EP (1) EP1169937B1 (en)
AT (1) ATE305243T1 (en)
DE (1) DE60113600T2 (en)
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FR (1) FR2810857B1 (en)

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EP1535557A1 (en) * 2003-11-27 2005-06-01 Mastrad Basting brush
EP1623651A1 (en) * 2004-08-06 2006-02-08 Schwan-STABILO Cosmetics GmbH & Co. KG Applicator and method for producing an applicator
EP2580985B1 (en) * 2010-06-11 2018-03-21 Kao Corporation Head-hair treatment-agent applicator
US20120090631A1 (en) * 2010-10-19 2012-04-19 Alberto Francisco Mestre Bed Head Buster
WO2013163492A1 (en) * 2012-04-27 2013-10-31 The Procter & Gamble Company Applicator assembly for applying a composition
CN105188850A (en) 2013-05-16 2015-12-23 宝洁公司 Hair thickening compositions and methods of use
USD796738S1 (en) * 2015-02-25 2017-09-05 AM-Tuotanto Oy Hair fiber sprayer
USD796115S1 (en) * 2015-02-25 2017-08-29 AM-Tuotanto Oy Hair fiber sprayer
KR102086484B1 (en) * 2018-07-13 2020-03-09 주식회사 디티에스엠지 Container for hair tonic
US11707125B1 (en) * 2021-02-02 2023-07-25 Colleen Garey Scalp applicator

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US2624348A (en) 1949-11-14 1953-01-06 Charles I Matson Fountain comb
US2939615A (en) * 1957-07-11 1960-06-07 Gillette Co Dispenser
DE6901735U (en) 1969-01-17 1969-05-29 Hermann Dr Henold HEAD (SKIN) THINNER
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US20020020421A1 (en) 2002-02-21
ATE305243T1 (en) 2005-10-15
DE60113600D1 (en) 2005-11-03
FR2810857A1 (en) 2002-01-04
FR2810857B1 (en) 2003-01-10
ES2250320T3 (en) 2006-04-16
EP1169937B1 (en) 2005-09-28
US6672314B2 (en) 2004-01-06
DE60113600T2 (en) 2006-06-14

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