EP1010634B1 - Push-pull closure with double tamperproof means - Google Patents

Push-pull closure with double tamperproof means Download PDF

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Publication number
EP1010634B1
EP1010634B1 EP99403149A EP99403149A EP1010634B1 EP 1010634 B1 EP1010634 B1 EP 1010634B1 EP 99403149 A EP99403149 A EP 99403149A EP 99403149 A EP99403149 A EP 99403149A EP 1010634 B1 EP1010634 B1 EP 1010634B1
Authority
EP
European Patent Office
Prior art keywords
pusher
closure
wall
base part
base
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.)
Expired - Lifetime
Application number
EP99403149A
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German (de)
French (fr)
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EP1010634A1 (en
Inventor
Claude Pradinas
Yves Jolivet
Michel Luzzato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tetra Pak Closures France SAS
Original Assignee
Novembal SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of EP1010634A1 publication Critical patent/EP1010634A1/en
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Publication of EP1010634B1 publication Critical patent/EP1010634B1/en
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/241—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element
    • B65D47/243—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element moving linearly, i.e. without rotational motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins

Definitions

  • the invention relates to the technical field of plugs of the push-pull type. which allow you to drink directly from the neck of the bottle.
  • plugs are conventionally composed of a base, a pusher and a protective cover, as is apparent, for example, from US-A-5, 813, 575, which describes a plug according to the preamble of claim 1.
  • the cover and / or the pusher can be fitted with tamper-evident indicators which complicate the manufacturing molds, the molding and the assembly of the three rooms.
  • the object of the invention is to provide a closure system of the type presented above. comprising a perfect sealing means before opening, forming witness of first opening, and guaranteeing perfect hygiene of the cap before its first opening.
  • This seal therefore makes it possible in particular to limit the bacterial risks.
  • the external lateral skirt of the base is extended, in the lower part, by a tamper-evident band connected by frangible bridges to the lower edge of the skirt.
  • Frangible bridges are separated from each other by support zones abutting against the lower edge of the outer side skirt during the fitting the cap on the container neck.
  • the endpiece or pusher has a curved bottom wall extended, in part lower by an annular wall whose internal surface is shaped substantially corresponding to the external surface of the upper part of the base.
  • the wall of the pusher has an internal shoulder abutting when the pusher is in the closed position, against the surface of the shoulder of the base.
  • the internal surface of the wall is, in the upper part, in contact with the bead from the end zone of the base.
  • the closure system shown has three parts.
  • the assembly is of revolution around an axis 4, in the embodiment represented.
  • the base 1 is first described.
  • the base 1 comprises an external lateral skirt 5 provided with an internal thread 6.
  • this external lateral skirt extends an annular wall 7 substantially horizontal and perpendicular to the external side skirt 5.
  • This annular wall 7 is bounded inwardly by a wall substantially vertical 8, concentric with the external lateral skirt 5.
  • This wall 8 extends upwards over a height h8 and extends downwards, below the surface formed by the wall 7, to form a side skirt internal 9, concentric with the external side skirt 5.
  • This internal side skirt 9 has, at its lower end, a external lateral bead 10 forming sealing lip.
  • this bead 10 extends over a height h 10 of the order of half the vertical dimension h 9 of the internal side skirt 9 or the height h 8 .
  • the outer 5 and inner 9 side skirts define, over the height h 9 , an annular space E limited, upwards, by the wall 7, and open downwards.
  • the substantially horizontal upper surface 11 of the wall 8 forms a surface support for the lower edge of the cover skirt 3.
  • the upper part 12 of the base 1 has two cylindrical zones 13, 14 from bottom to top, of decreasing diameter, separated by a shoulder 15.
  • the shoulder 15 defines a frustoconical external annular surface 16, coming in abutment against a complementary surface of the pusher 2, in the closed position for the cap.
  • the second end zone 14 has, near its free edge 17, a An external lateral bead 18 for sealing.
  • the external lateral skirt 5 of the base 1 is extended at the bottom, by a tamper-evident tape 19.
  • This tamper-evident band 19 is connected by frangible bridges 20 at the edge lower 21 of the skirt 5.
  • Frangible bridges 20 are of smaller cross section at their upper part than in their lower part.
  • frangible bridges 20 are, in the embodiment shown, of section transversely substantially triangular.
  • bridges 20 are limited, inwards, by a substantially vertical surface 22 and, towards the outside, by a surface 23 inclined relative to the vertical.
  • these bridges 20 facilitates their preferential breaking in the vicinity of their attachment zone with the tamper-evident band 19, during their first opening.
  • Support surfaces 24 separate the frangible bridges 20 from each other.
  • the distance between the lower edge 21 of the skirt 5 and the bearing surface 24 is very low and very less than the height of the bridges 20.
  • An annular lip 25 extends the tamper-evident band 19, at the bottom.
  • This lip 25 is turned inward, in a manner known per se during the fitting the cap on the container neck.
  • the base 1 can be made of a plastic material such as polypropylene or polyethylene.
  • the cover 3 comprises a body formed by a bottom wall 26, transverse and a side skirt 27, slightly tapered, flaring downward.
  • the maximum internal diameter D 27 defined by the skirt 27 is slightly greater than the internal diameter D 9 defined by the internal lateral skirt 9 of the base 1.
  • the cover 3 has external streaks or gadroons 28 facilitating its handling.
  • At least a portion of the outer surface of the cover 3 is granited.
  • This end piece 2 has a protruding curved bottom wall 29, in part lower, by an annular wall 30.
  • the internal surface of the wall 30 has a shape substantially corresponding to the outer surface of zones 13 and 14 of base 1.
  • a shoulder 31 internal to the wall 30 abuts when the pusher or tip 2 is in the closed position, against the surface 16 of the shoulder 15 of the base 1.
  • the internal surface 33 of the wall 30 is, in the upper part, in contact with the outer bead 18 of the end zone 14 of the base 1.
  • end piece 2 is mounted on the upper part of the base 1 of so as to seal in the closed or pushed position and to ensure flow in pulled or open position.
  • notches can be made at the base of the cover 3 of such so that they coincide with other notches on the surface of the base 1 serving as a support for the skirt 27 of the cover 3.
  • notches are such that they do not impede the rotation of the cover 3 in the direction of opening, for example counterclockwise, but cause a blockage of this rotation in the screwing direction, for example clockwise.
  • the cover 3 can be made of translucent or semi-transparent material of so as to reveal the color of the pusher.
  • This color could be linked, for example to the content of the container on which the closure system is applied.
  • a peelable cover 36 is fixed, by gluing, heat sealing, or any other equivalent process, above the nipple 34 and the upper face of the wall bottom 29 curved end piece 2.
  • the bottom wall 29 comprises an annular lip 37 which projects upwards, being limited by a upper surface 38.
  • This annular lip 37 extends around the stud 34, being coplanar with the upper face 39 of the nipple, which facilitates the positioning of the peelable seal 36.
  • the peelable cover 36 extends over the upper face 39 of the stud 34 and the upper surface 38 of the annular lip 37 covering the hole 35, thus guaranteeing the sealing of the cap before its first opening.
  • the cover 36 thereby prevents impurities from settling on the nipple 34 before the first use of the cap, and therefore has an anti-bacterial effect.
  • the stud 34 may have, in its upper part, a recess 40 cylindrical with axis 4, located in the center of the upper face 39.
  • peelable materials known in themselves, can be used for the production of the peelable cover: aluminum polyethylene complex, multilayer comprising EVOH etc.
  • the tightness of the cap is notably reinforced by the stud 34 of the base 1 the external lateral surface of which defines baffles with the wall of the hole 35 corresponding in pusher 2.
  • the second substantially horizontal wall is arranged in a plane placed above of the plane comprising the first substantially horizontal wall.
  • the frustoconical annular wall of the hole 35 comes to bear against the frustoconical surface of the stud 34 and the first annular wall substantially horizontal hole 35 abuts against the first surface substantially horizontal nipple 34.
  • the substantially vertical lateral surfaces of the stud 34 are substantially in contact over their entire extent with the annular walls substantially vertical holes 35.
  • the bridges 20 connecting the tamper-evident band 19 to the side skirt 5 can be broken when the user wishes, for example, to refill the container.
  • a first inviolability is linked to the presence of a peelable seal 36.
  • a second inviolability is linked to the first unscrewing of the base 1 by relative to the container neck.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Description

L'invention se rapporte au domaine technique des bouchons de type push-pull qui permettent de boire directement au goulot de la bouteille.The invention relates to the technical field of plugs of the push-pull type. which allow you to drink directly from the neck of the bottle.

Ces bouchons sont conventionnellement composés d'une embase, d'un poussoir et d'un capot de protection, comme cela ressort, par exemple, de US-A-5, 813, 575, qui décrit un bouchon selon le préambule de la revendication 1.These plugs are conventionally composed of a base, a pusher and a protective cover, as is apparent, for example, from US-A-5, 813, 575, which describes a plug according to the preamble of claim 1.

Le capot et/ou le poussoir peuvent être munis de témoins d'effraction qui compliquent les moules de fabrication, le moulage et l'assemblage des trois pièces.The cover and / or the pusher can be fitted with tamper-evident indicators which complicate the manufacturing molds, the molding and the assembly of the three rooms.

Pour illustrer ce type de bouchon, on peut citer également le document WO-96/13442, qui décrit un bouchon double comportant une première bande annulaire de garantie prévue sur une partie de goulot de la bouteille, ainsi qu'une seconde bande annulaire de garantie prévue sur une capsulé secondaire.To illustrate this type of stopper, mention may also be made of document WO-96/13442, which describes a double plug comprising a first annular guarantee strip provided on a part of the neck of the bottle, as well as a second strip warranty annular provided on a secondary capsule.

L'invention a pour objet de fournir un système de bouchage du type présenté ci-dessus comportant un moyen d'étanchéité parfaite avant ouverture, formant témoin de première ouverture, et garantissant une hygiène parfaite du bouchon avant sa première ouverture.The object of the invention is to provide a closure system of the type presented above. comprising a perfect sealing means before opening, forming witness of first opening, and guaranteeing perfect hygiene of the cap before its first opening.

A cette fin, l'invention se rapporte à un bouchon du type push-pull (pousser-tirer) comprenant :

  • une embase pourvue d'un filetage interne ;
  • un poussoir associé à l'embase et mobile par rapport à cette embase entre une position de fermeture et une position d'ouverture
  • un capot recouvrant le poussoir avant première ouverture du bouchon ;
caractérisé en ce que le bouchon comporte un opercule de garantie soudé sur la partie supérieure du poussoir et formant témoin de première ouverture ainsi que moyen d'étanchéité complémentaire avant première ouverture.To this end, the invention relates to a plug of the push-pull type comprising:
  • a base provided with an internal thread;
  • a pusher associated with the base and movable relative to this base between a closed position and an open position
  • a cover covering the pusher before first opening of the plug;
characterized in that the stopper includes a guarantee seal welded to the upper part of the pusher and forming a first opening indicator as well as additional sealing means before first opening.

Avant la première ouverture, il garantit une bonne hygiène du bouchon. Celui-ci est en effet destiné à être introduit directement dans la bouche. Before the first opening, it guarantees good plug hygiene. This one is indeed intended to be introduced directly into the mouth.

Cet opercule permet donc notamment de limiter les risques bactériens.This seal therefore makes it possible in particular to limit the bacterial risks.

La jupe latérale externe de l'embase est prolongée, en partie basse, par une bande d'inviolabilité reliée par des pontets frangibles au bord inférieur de la jupe.The external lateral skirt of the base is extended, in the lower part, by a tamper-evident band connected by frangible bridges to the lower edge of the skirt.

Les pontets frangibles sont séparés les uns des autres par des zones d'appui venant en butée contre le bord inférieur de la jupe latérale externe lors de la mise en place du bouchon sur le col du récipient.Frangible bridges are separated from each other by support zones abutting against the lower edge of the outer side skirt during the fitting the cap on the container neck.

L'embout ou poussoir comporte une paroi de fond bombée prolongée, en partie inférieure par une paroi annulaire dont la surface interne est de forme sensiblement correspondante à la surface externe de la partie supérieure de l'embase.The endpiece or pusher has a curved bottom wall extended, in part lower by an annular wall whose internal surface is shaped substantially corresponding to the external surface of the upper part of the base.

La paroi du poussoir comporte un épaulement interne venant en butée, lorsque le poussoir est en position fermée, contre la surface de l'épaulement de l'embase.The wall of the pusher has an internal shoulder abutting when the pusher is in the closed position, against the surface of the shoulder of the base.

La surface interne de la paroi est, en partie haute, au contact avec le bourrelet de la zone d'extrémité de l'embase.The internal surface of the wall is, in the upper part, in contact with the bead from the end zone of the base.

Des clips internes au capot ou équivalents coïncident avec la paroi de fond de l'embout de sorte à assurer le maintien du capot au rebouchage.Internal hood clips or equivalent coincide with the bottom wall of the end piece so as to ensure that the cover is kept closed.

D'autres objets et avantages de l'invention apparaítront plus clairement au cours de la description suivante d'un mode de réalisation, description qui va être faite en se référant à la figure annexée qui est une coupe longitudinale d'un système de bouchage selon l'invention.Other objects and advantages of the invention will appear more clearly during of the following description of an embodiment, description which will be made referring to the appended figure which is a longitudinal section of a system closure according to the invention.

Dans la suite du texte, les termes « supérieur », « inférieur », « haut », « externe », « interne », seront employés, sauf mention contraire, en référence à un point P situé au centre du système de bouchage. In the remainder of the text, the terms “upper”, “lower”, “high”, "External", "internal" will be used, unless otherwise stated, with reference to a point P located in the center of the closure system.

Le système de bouchage représenté comporte trois pièces.The closure system shown has three parts.

A savoir une embase 1, un embout poussoir 2 et un capot 3.Namely a base 1, a push end 2 and a cover 3.

L'ensemble est de révolution autour d'un axe 4, dans le mode de réalisation représenté.The assembly is of revolution around an axis 4, in the embodiment represented.

L'on décrit tout d'abord l'embase 1.The base 1 is first described.

L'embase 1 comporte une jupe latérale externe 5 munie d'un filet intérieur 6.The base 1 comprises an external lateral skirt 5 provided with an internal thread 6.

Au sommet de cette jupe latérale externe s'étend une paroi annulaire 7 sensiblement horizontale et perpendiculaire à la jupe latérale externe 5.At the top of this external lateral skirt extends an annular wall 7 substantially horizontal and perpendicular to the external side skirt 5.

Cette paroi annulaire 7 est limitée, vers l'intérieur, par une paroi sensiblement verticale 8, concentrique à la jupe latérale externe 5.This annular wall 7 is bounded inwardly by a wall substantially vertical 8, concentric with the external lateral skirt 5.

Cette paroi 8 s'étend, vers le haut, sur une hauteur h8 et s'étend, vers le bas, au-dessous de la surface formée par la paroi 7, pour former une jupe latérale interne 9, concentrique à la jupe latérale externe 5.This wall 8 extends upwards over a height h8 and extends downwards, below the surface formed by the wall 7, to form a side skirt internal 9, concentric with the external side skirt 5.

Cette jupe latérale interne 9 comporte, à sa partie extrême inférieure, un bourrelet latéral externe 10 formant lèvre d'étanchéité.This internal side skirt 9 has, at its lower end, a external lateral bead 10 forming sealing lip.

Dans le mode de réalisation représenté, ce bourrelet 10 s'étend sur une hauteur h10 de l'ordre de la moitié de la dimension verticale h9 de la jupe latérale interne 9 ou de la hauteur h8.In the embodiment shown, this bead 10 extends over a height h 10 of the order of half the vertical dimension h 9 of the internal side skirt 9 or the height h 8 .

Les jupes latérales externe 5 et interne 9 définissent, sur la hauteur h9, un espace annulaire E limité, vers le haut, par la paroi 7, et ouvert vers le bas.The outer 5 and inner 9 side skirts define, over the height h 9 , an annular space E limited, upwards, by the wall 7, and open downwards.

La surface supérieure 11 de la paroi 8, sensiblement horizontale, forme surface d'appui pour le bord inférieur de la jupe du capot 3. The substantially horizontal upper surface 11 of the wall 8 forms a surface support for the lower edge of the cover skirt 3.

La partie supérieure 12 de l'embase 1 comporte deux zones 13, 14 cylindriques du bas vers le haut, de diamètre décroissant, séparées par un épaulement 15.The upper part 12 of the base 1 has two cylindrical zones 13, 14 from bottom to top, of decreasing diameter, separated by a shoulder 15.

L'épaulement 15 définit une surface annulaire externe tronconique 16, venant en butée contre une surface complémentaire du poussoir 2, en position fermée pour le bouchon.The shoulder 15 defines a frustoconical external annular surface 16, coming in abutment against a complementary surface of the pusher 2, in the closed position for the cap.

La deuxième zone 14, d'extrémité présente, à proximité de son bord libre 17, un Un bourrelet latéral externe 18 d'étanchéité.The second end zone 14 has, near its free edge 17, a An external lateral bead 18 for sealing.

La jupe latérale externe 5 de l'embase 1 est prolongée en partie inférieure, par une bande d'inviolabilité 19.The external lateral skirt 5 of the base 1 is extended at the bottom, by a tamper-evident tape 19.

Cette bande d'inviolabilité 19 est reliée par des ponts frangibles 20 au bord inférieur 21 de la jupe 5.This tamper-evident band 19 is connected by frangible bridges 20 at the edge lower 21 of the skirt 5.

Les ponts frangibles 20 sont de section plus faible en leur partie supérieure qu'en leur partie inférieure.Frangible bridges 20 are of smaller cross section at their upper part than in their lower part.

Ces ponts frangibles 20 sont, dans le mode de réalisation représenté, de section transversale sensiblement triangulaire.These frangible bridges 20 are, in the embodiment shown, of section transversely substantially triangular.

Ces ponts 20 sont limités, vers l'intérieur, par une surface sensiblement verticale 22 et, vers l'extérieur, par une surface 23 inclinée par rapport à la verticale.These bridges 20 are limited, inwards, by a substantially vertical surface 22 and, towards the outside, by a surface 23 inclined relative to the vertical.

La géométrie de ces ponts 20 facilite leur rupture préférentielle au voisinage de leur zone d'attache avec la bande d'inviolabilité 19, lors de leur première ouverture.The geometry of these bridges 20 facilitates their preferential breaking in the vicinity of their attachment zone with the tamper-evident band 19, during their first opening.

Des surfaces d'appui 24 séparent les ponts frangibles 20 les uns des autres.Support surfaces 24 separate the frangible bridges 20 from each other.

Ces surfaces d'appui 24 forment des créneaux. These bearing surfaces 24 form slots.

La distance entre le bord inférieur 21 de la jupe 5 et la surface d'appui 24 est très faible et très inférieure à la hauteur des ponts franigbles 20.The distance between the lower edge 21 of the skirt 5 and the bearing surface 24 is very low and very less than the height of the bridges 20.

De sorte que, lors de la mise en place du bouchon sur le col du récipient, non représenté, les surfaces d'appui 24 peuvent venir en butée contre le bord inférieur 21 de la jupe 5.So that, when placing the cap on the neck of the container, not shown, the bearing surfaces 24 can abut against the edge lower 21 of the skirt 5.

La rupture prématurée des ponts frangibles 20 peut ainsi être évitée.Premature breakage of frangible bridges 20 can thus be avoided.

Une lèvre annulaire 25 prolonge la bande d'inviolabilité 19, en partie basse.An annular lip 25 extends the tamper-evident band 19, at the bottom.

Cette lèvre 25 est retournée vers l'intérieur, de manière connue en soi lors de la mise en place du bouchon sur le col du récipient.This lip 25 is turned inward, in a manner known per se during the fitting the cap on the container neck.

L'embase 1 peut être réalisée en une matière plastique telle que le polypropylène ou polyéthylène.The base 1 can be made of a plastic material such as polypropylene or polyethylene.

L'on décrit maintenant le capot 3.The cover 3 is now described.

Le capot 3 comporte un corps formé d'une paroi de fond 26, transversale et d'une jupe latérale 27, légèrement tronconique, allant en s'évasant vers le bas.The cover 3 comprises a body formed by a bottom wall 26, transverse and a side skirt 27, slightly tapered, flaring downward.

Le diamètre interne maximum D27 défini par la jupe 27 est légèrement supérieur au diamètre interne D9 défini par la jupe latérale interne 9 de l'embase 1.The maximum internal diameter D 27 defined by the skirt 27 is slightly greater than the internal diameter D 9 defined by the internal lateral skirt 9 of the base 1.

Dans un mode de réalisation, le capot 3 comporte des stries externes ou godrons 28 facilitant sa prise en main.In one embodiment, the cover 3 has external streaks or gadroons 28 facilitating its handling.

Dans un autre mode de réalisation, au moins une partie de la surface externe du capot 3 est granitée.In another embodiment, at least a portion of the outer surface of the cover 3 is granited.

L'embout 2 va maintenant être décrit. The end piece 2 will now be described.

Cet embout 2 comporte une paroi de fond 29 bombée prolongée, en partie inférieure, par une paroi annulaire 30.This end piece 2 has a protruding curved bottom wall 29, in part lower, by an annular wall 30.

La surface interne de la paroi 30 est de forme sensiblement correspondante à la surface externe des zones 13 et 14 de l'embase 1.The internal surface of the wall 30 has a shape substantially corresponding to the outer surface of zones 13 and 14 of base 1.

En particulier, un épaulement 31 interne à la paroi 30 vient en butée, lorsque le poussoir ou embout 2 est en position fermée, contre la surface 16 de l'épaulement 15 de l'embase 1.In particular, a shoulder 31 internal to the wall 30 abuts when the pusher or tip 2 is in the closed position, against the surface 16 of the shoulder 15 of the base 1.

En revanche, le bord inférieur 32 de la paroi 30 ne vient pas en appui contre la surface 11 de la paroi 8 de l'embase 1, lorsque le poussoir 2 est en position fermée.On the other hand, the lower edge 32 of the wall 30 does not come to bear against the surface 11 of the wall 8 of the base 1, when the pusher 2 is in position closed.

De même, la surface interne 33 de la paroi 30 est, en partie haute, en contact avec le bourrelet externe 18 de la zone d'extrémité 14 de l'embase 1.Similarly, the internal surface 33 of the wall 30 is, in the upper part, in contact with the outer bead 18 of the end zone 14 of the base 1.

De sorte que l'embout 2 est monté sur la partie supérieure de l'embase 1 de façon à assurer l'étanchéité en position fermée ou poussée et à assurer l'écoulement en position tiré ou d'ouverture.So that the end piece 2 is mounted on the upper part of the base 1 of so as to seal in the closed or pushed position and to ensure flow in pulled or open position.

Afin d'assurer le maintien du capot 3 au rebouchage, des clips internes au capot 3, ou équivalents, coïncidant avec la paroi de fond 29 de l'embout 2 peuvent être prévus.In order to maintain the cover 3 at the filling, internal clips on the cover 3, or equivalent, coinciding with the bottom wall 29 of the end piece 2 can be planned.

L'étanchéité avec le goulot de la bouteille, non représenté, est assurée notamment par la lèvre 10 dite « olive ».Sealing with the neck of the bottle, not shown, is ensured in particular by the lip 10 called "olive".

Afin de renforcer la tenue du capot 3 lors de l'opération de vissage sur chaíne de fabrication, des crans peuvent être pratiqués à la base du capot 3 de telle sorte qu'ils coïncident avec d'autres crans pratiqués sur la surface de l'embase 1 servant d'appui à la jupe 27 du capot 3. In order to strengthen the holding of the cover 3 during the screwing operation on the chain manufacturing, notches can be made at the base of the cover 3 of such so that they coincide with other notches on the surface of the base 1 serving as a support for the skirt 27 of the cover 3.

Ces crans permettent d'éviter la rotation du capot 3 par rapport à l'embase 1 lors du vissage du bouchon, sur chaíne de fabrication.These notches prevent rotation of the cover 3 relative to the base 1 when screwing the cap, on the production line.

Ces crans sont tels qu'ils n'entravent pas la rotation du capot 3 dans le sens de l'ouverture, par exemple antihoraire, mais provoquent un blocage de cette rotation dans le sens de vissage, par exemple horaire.These notches are such that they do not impede the rotation of the cover 3 in the direction of opening, for example counterclockwise, but cause a blockage of this rotation in the screwing direction, for example clockwise.

Le capot 3 peut être réalisé en matière translucide ou semi-transparente de sorte à laisser apparaítre la couleur du poussoir.The cover 3 can be made of translucent or semi-transparent material of so as to reveal the color of the pusher.

Cette couleur pourra être liée, par exemple au contenu du récipient sur lequel est appliqué le système de bouchage.This color could be linked, for example to the content of the container on which the closure system is applied.

Une série de nervures réalisées d'une part sur l'embase et d'autre part sur le capot empêche la rotation mutuelle de ces deux pièces.A series of ribs made on the one hand on the base and on the other hand on the hood prevents mutual rotation of these two parts.

Un opercule pelable 36 est fixé, par collage, thermosoudage, ou tout autre procédé équivalent, au-dessus du téton 34 et de la face supérieure de la paroi de fond 29 bombée de l'embout 2.A peelable cover 36 is fixed, by gluing, heat sealing, or any other equivalent process, above the nipple 34 and the upper face of the wall bottom 29 curved end piece 2.

Selon un mode de réalisation illustré sur la figure 1, la paroi de fond 29 comprend une lèvre annulaire 37 qui saille vers le haut en étant limitée par une surface supérieure 38.According to an embodiment illustrated in FIG. 1, the bottom wall 29 comprises an annular lip 37 which projects upwards, being limited by a upper surface 38.

Cette lèvre annulaire 37 s'étend autour du téton 34, en étant coplanaire avec la face supérieure 39 du téton, ce qui facilite la mise en place de l'opercule pelable 36.This annular lip 37 extends around the stud 34, being coplanar with the upper face 39 of the nipple, which facilitates the positioning of the peelable seal 36.

L'opercule pelable 36 s'étend par-dessus la face supérieure 39 du téton 34 et la surface supérieure 38 de la lèvre annulaire 37 en recouvrant le trou 35, garantissant ainsi l'étanchéité du bouchon avant sa première ouverture.The peelable cover 36 extends over the upper face 39 of the stud 34 and the upper surface 38 of the annular lip 37 covering the hole 35, thus guaranteeing the sealing of the cap before its first opening.

L'opercule 36 empêche de ce fait les impuretés de se déposer sur le téton 34 avant la première utilisation du bouchon, et a donc un effet anti-bactérien. The cover 36 thereby prevents impurities from settling on the nipple 34 before the first use of the cap, and therefore has an anti-bacterial effect.

En outre, le téton 34 peut comporter, dans sa partie supérieure, un évidement 40 cylindrique d'axe 4, localisé au centre de la face supérieure 39.In addition, the stud 34 may have, in its upper part, a recess 40 cylindrical with axis 4, located in the center of the upper face 39.

Grâce à cet évidement 40, le contact entre l'opercule 36 d'une part, et le téton 34 et la paroi de fond 29 est limité en étant localisé à proximité du trou 35, à la périphérie du téton 34.Thanks to this recess 40, the contact between the cover 36 on the one hand, and the stud 34 and the bottom wall 29 is limited by being located near the hole 35, at the periphery of the nipple 34.

La poche d'air située à l'intérieur de l'évidement 40, combinée avec la minceur du filet de colle ou du cordon de soudure associant l'opercule pelable 36 au téton 34 et à la paroi de fond 29, facilite l'enlèvement de l'opercule 36.The air pocket located inside the recess 40, combined with the thinness glue or weld bead associating the peelable cover 36 with the stud 34 and the bottom wall 29, facilitates the removal of the cover 36.

Plusieurs matériaux pelables, connus en eux-mêmes, peuvent être employés pour la réalisation de l'opercule pelable : complexe aluminium polyéthylène, multicouches comprenant de l'EVOH etc.Several peelable materials, known in themselves, can be used for the production of the peelable cover: aluminum polyethylene complex, multilayer comprising EVOH etc.

L'étanchéité avec le goulot du récipient est conservée lors du dévissage du bouchon jusqu'à ce que les ponts 20 reliant la bande d'inviolabilité 19 à la jupe latérale externe 5 soient rompus.The tightness with the neck of the container is retained when unscrewing the cap until the bridges 20 connecting the tamper-evident band 19 to the skirt lateral lateral 5 are broken.

L'étanchéité du bouchon est notamment renforcée par le téton 34 de l'embase 1 dont la surface latérale externe définit des chicanes avec la paroi du trou 35 correspondant dans le poussoir 2.The tightness of the cap is notably reinforced by the stud 34 of the base 1 the external lateral surface of which defines baffles with the wall of the hole 35 corresponding in pusher 2.

Plus précisément, dans le mode de réalisation représenté, le trou 35 comporte de son bord haut vers son bord bas :

  • une paroi annulaire sensiblement verticale ;
  • une première paroi annulaire sensiblement horizontale ;
  • une paroi annulaire tronconique inclinée d'un angle compris entre 10 et 20° par rapport à la verticale ;
  • une seconde paroi annulaire sensiblement horizontale ;
  • une paroi annulaire sensiblement verticale.
More specifically, in the embodiment shown, the hole 35 has from its top edge to its bottom edge:
  • a substantially vertical annular wall;
  • a first substantially horizontal annular wall;
  • a frustoconical annular wall inclined at an angle between 10 and 20 ° relative to the vertical;
  • a second substantially horizontal annular wall;
  • a substantially vertical annular wall.

La seconde paroi sensiblement horizontale est disposée dans un plan placé au-dessus du plan comprenant la première paroi sensiblement horizontale.The second substantially horizontal wall is arranged in a plane placed above of the plane comprising the first substantially horizontal wall.

Le téton 34 présente, de son bord haut vers sont bord bas :

  • une surface latérale sensiblement verticale ;
  • une première surface latérale sensiblement horizontale ;
  • une surface annulaire tronconique inclinée d'un angle compris entre 10 et 20° par rapport à la verticale ;
  • une seconde surface latérale sensiblement horizontale ;
  • une surface de raccordement et une surface sensiblement verticale.
The nipple 34 has, from its top edge towards its bottom edge:
  • a substantially vertical side surface;
  • a first substantially horizontal lateral surface;
  • a frustoconical annular surface inclined at an angle between 10 and 20 ° relative to the vertical;
  • a second substantially horizontal lateral surface;
  • a connecting surface and a substantially vertical surface.

Lorsque le poussoir 2 est en position de fermeture, la seconde paroi annulaire du trou 35 est en appui contre la seconde surface sensiblement horizontale du téton 34.When the pusher 2 is in the closed position, the second annular wall of the hole 35 bears against the second substantially horizontal surface of the nipple 34.

De même, la paroi annulaire tronconique du trou 35 vient en appui contre la surface tronconique du téton 34 et la première paroi annulaire sensiblement horizontale du trou 35 vient en appui contre la première surface sensiblement horizontale du téton 34.Similarly, the frustoconical annular wall of the hole 35 comes to bear against the frustoconical surface of the stud 34 and the first annular wall substantially horizontal hole 35 abuts against the first surface substantially horizontal nipple 34.

Les surfaces latérales sensiblement verticales du téton 34 sont sensiblement en contact sur toute leur étendue avec les parois annulaires sensiblement verticales du trou 35.The substantially vertical lateral surfaces of the stud 34 are substantially in contact over their entire extent with the annular walls substantially vertical holes 35.

Les ponts 20 reliant la bande d'inviolabilité 19 à la jupe latérale 5 peuvent être rompus dès lorsque l'utilisateur souhaite par exemple remplir à nouveau le récipient.The bridges 20 connecting the tamper-evident band 19 to the side skirt 5 can be broken when the user wishes, for example, to refill the container.

De sorte que le système de bouchage présente une double inviolabilité.So that the closure system has a double inviolability.

Une première inviolabilité est liée à la présence d'un opercule pelable 36.A first inviolability is linked to the presence of a peelable seal 36.

Une seconde inviolabilité est liée au premier dévissage de l'embase 1 par rapport au col du récipient.A second inviolability is linked to the first unscrewing of the base 1 by relative to the container neck.

Claims (7)

  1. Closure of the push-pull type comprising:
    a base part (1) provided with an internal thread (6);
    a pusher (2) that is associated with the base part (1) and can be moved with respect to this base part (1) between a closed position and an open position;
    a cap (3) covering the pusher (2) before first opening of the closure, characterised in that the closure has a guarantee seal welded on the upper part of the pusher (2) and constituting evidence of first opening as well as complementary sealing means before first opening.
  2. Closure according to Claim 1, characterised in that the external lateral skirt (5) of the base part (1) is extended, in the lower region, by a tamper-proof band (19) connected by easily breakable strips (20) at the lower edge (21) of the skirt (5).
  3. Closure according to Claim 2, characterised in that the easily breakable strips (19) (sic) are separated from one another by bearing zones (29) (sic) which make contact with the lower edge (21) of the external lateral skirt (5) when the closure is fitted on the neck of the receptacle.
  4. Closure according to any one of Claims 1 to 3, characterised in that the ferrule or pusher (2) has a convex base wall (29) extended, in the lower region, by an annular wall (30), the internal surface of which has a shape essentially corresponding to the external surface of the upper part (14) of the base part (1).
  5. Closure according to Claim 4, characterised in that the wall (30) of the pusher (2) has an internal shoulder (31) making contact, when the pusher (2) is in the closed position, with the surface (16) of the shoulder (15) of the base part (1).
  6. Closure according to any one of Claims 4 or 5, characterised in that the internal surface (33) of the wall (30) is, in the upper region, in contact with the bead (18) of the end zone (14) of the base part (1).
  7. Closure according to any one of Claims 1 to 6, characterised in that internal clips on the cap (3) or equivalent features coincide with the base wall (29) of the ferrule (2) so as to ensure that the cap (3) is held on refitting the closure.
EP99403149A 1998-12-16 1999-12-15 Push-pull closure with double tamperproof means Expired - Lifetime EP1010634B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9815892A FR2787422B1 (en) 1998-12-16 1998-12-16 PUSH-PULL TYPE CAP WITH DOUBLE INVIOLABILITY
FR9815892 1998-12-16

Publications (2)

Publication Number Publication Date
EP1010634A1 EP1010634A1 (en) 2000-06-21
EP1010634B1 true EP1010634B1 (en) 2002-11-13

Family

ID=9534042

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99403149A Expired - Lifetime EP1010634B1 (en) 1998-12-16 1999-12-15 Push-pull closure with double tamperproof means

Country Status (11)

Country Link
US (1) US6415966B1 (en)
EP (1) EP1010634B1 (en)
JP (1) JP2002532346A (en)
AR (1) AR021713A1 (en)
AT (1) ATE227674T1 (en)
AU (1) AU1570900A (en)
BR (1) BR9916158A (en)
CA (1) CA2350676A1 (en)
DE (1) DE69903901D1 (en)
FR (1) FR2787422B1 (en)
WO (1) WO2000035767A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990083773A (en) * 1999-07-29 1999-12-06 이정민 Synthetic resin bottle caps with opening and closing features
AUPR380601A0 (en) * 2001-03-19 2001-04-12 Amcor Packaging (Australia) Pty Ltd A push/pull closure
US6702161B2 (en) 2001-12-12 2004-03-09 Portola Packaging, Inc. Closure having rotatable spout and axially movable stem
US7261226B2 (en) 2001-12-12 2007-08-28 Portola Packaging, Inc. Closure having rotatable spout and axially movable stem
US6571994B1 (en) 2001-12-12 2003-06-03 Portola Packaging, Inc. Closure having rotatable spout and axially movable stem
US20060138167A1 (en) * 2003-01-03 2006-06-29 Mcmahon Michael D Condiment dispenser
US20070199914A1 (en) * 2006-02-24 2007-08-30 Ming-Hua Hung Cap assembly for bottles
CL2008003761A1 (en) * 2008-12-17 2010-01-04 The Tapa Company S A Closing system for bottles of the bottle type that allows to dispense inwardly an additive kept isolated, formed by an elongated cover with its closed end, an actuator with a conical sliding part with a vertical perforation, a body with a central compartment with a skirt spinning, and a container with the additive.
JP5897355B2 (en) * 2012-02-29 2016-03-30 株式会社吉野工業所 Cap with slit valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731849A (en) * 1971-07-23 1973-05-08 Teledyne Mid America Corp Container and cap combination to indicate tampering
DE69033467T2 (en) * 1989-12-28 2000-11-02 Yoshino Kogyosho Co., Ltd. Liquid jet generator
US5456374A (en) * 1994-09-19 1995-10-10 Beck; Matthew R. Tamper evident container closure
US5588562A (en) * 1994-10-31 1996-12-31 Sander; Dieter Tamper evident resealable plastic closure
US5662247A (en) * 1995-09-28 1997-09-02 West Penn Plastics Tamper evident push pull resealable cap
US5680969A (en) * 1995-12-18 1997-10-28 Aptargroup, Inc. Closure with dispensing valve and separate releasable internal shipping seal
US5813575A (en) * 1996-12-23 1998-09-29 Ideal Ideas, Inc. Touch free push--pull valve with overcap
FR2768131B1 (en) * 1997-09-10 1999-10-08 Novembal Sa CAP OF THE PULL-PUSH TYPE WITH REINFORCED INVIOLABILITY

Also Published As

Publication number Publication date
JP2002532346A (en) 2002-10-02
EP1010634A1 (en) 2000-06-21
FR2787422B1 (en) 2001-01-26
DE69903901D1 (en) 2002-12-19
WO2000035767A1 (en) 2000-06-22
FR2787422A1 (en) 2000-06-23
BR9916158A (en) 2001-09-04
CA2350676A1 (en) 2000-06-22
ATE227674T1 (en) 2002-11-15
AU1570900A (en) 2000-07-03
AR021713A1 (en) 2002-07-31
US6415966B1 (en) 2002-07-09

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