FR2889127A1 - Motor vehicle seat cushioning, has covering element and molded three-dimensional element associated between them so as to form all or part of lining cover and are plated against block of padding material with flexible foam base - Google Patents

Motor vehicle seat cushioning, has covering element and molded three-dimensional element associated between them so as to form all or part of lining cover and are plated against block of padding material with flexible foam base Download PDF

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Publication number
FR2889127A1
FR2889127A1 FR0552316A FR0552316A FR2889127A1 FR 2889127 A1 FR2889127 A1 FR 2889127A1 FR 0552316 A FR0552316 A FR 0552316A FR 0552316 A FR0552316 A FR 0552316A FR 2889127 A1 FR2889127 A1 FR 2889127A1
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FR
France
Prior art keywords
cap
padding
dimensional element
block
coating
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.)
Pending
Application number
FR0552316A
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French (fr)
Inventor
Jean Michel Tarallo
Thomas Dal
Franck Bieven
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.)
Centre dEtude et de Recherche pour lAutomobile CERA
Original Assignee
Centre dEtude et de Recherche pour lAutomobile CERA
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
Application filed by Centre dEtude et de Recherche pour lAutomobile CERA filed Critical Centre dEtude et de Recherche pour lAutomobile CERA
Priority to FR0552316A priority Critical patent/FR2889127A1/en
Publication of FR2889127A1 publication Critical patent/FR2889127A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/70—Upholstery springs ; Upholstery
    • B60N2/7017—Upholstery springs ; Upholstery characterised by the manufacturing process; manufacturing upholstery or upholstery springs not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1276—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed parts being three dimensional structures which are wholly or partially penetrated by the foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/58—Seat coverings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/58—Seat coverings
    • B60N2/5891—Seat coverings characterised by the manufacturing process; manufacturing seat coverings not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Seats For Vehicles (AREA)

Abstract

The cushioning (1) has a block (2) of padding material with flexible foam base and a lining cover (3) fashioned so as to define a volume inside the block. The cover has a covering element (4) formed of plane covering material e.g. textile, leather, and a three-dimensional element (5), formed of molded material. The elements (4, 5) are associated between them so as to form all or part of the cover and are plated against the block of padding material. Independent claims are also included for the following: (1) a seat of a motor vehicle comprising cushion (2) a method of fabricating a cushioning.

Description

L'invention concerne une matelassure de siège de véhicule automobile, unThe invention relates to a seat cushion for a motor vehicle, a

siège comprenant une telle matelassure et un procédé de réalisation d'une telle matelassure.  seat comprising such padding and a method of making such padding.

Plus particulièrement, la matelassure selon l'invention comprend une coiffe, ladite coiffe comprenant un élément tridimensionnel, formé d'un matériau moulé.  More particularly, the padding according to the invention comprises a cap, said cap comprising a three-dimensional element, formed of a molded material.

Il est connu de réaliser une matelassure de siège de véhicule automobile io comprenant un bloc de matériau de rembourrage, notamment à base de mousse souple, et une coiffe d'habillage confectionnée de sorte à définir un volume intérieur logeant ledit bloc, une telle coiffe visant notamment à améliorer le confort et l'esthétique de la matelassure.  It is known to produce a motor vehicle seat cushioning comprising a block of upholstery material, in particular based on flexible foam, and a covering cap made so as to define an interior volume housing said block, such cap to in particular to improve the comfort and the aesthetics of padding.

La coiffe peut être confectionnée par association d'éléments formés d'un matériau de revêtement de nature plane, notamment de type textile, cuir ou simili cuir. L'association des éléments entre eux se fait généralement par couture.  The cap may be made by combining elements formed of a flat material of coating material, including textile, leather or imitation leather. The association of the elements between them is usually done by sewing.

Ainsi, pour obtenir des géométries complexes, dictées par des exigences esthétiques et/ou de confort, il est nécessaire de prévoir un grand nombre d'éléments et /ou de coutures afin d'obtenir des formes tridimensionnelles complexes, ce qui entraîne des difficultés de réalisation, et donc des coûts de fabrication importants.  Thus, to obtain complex geometries, dictated by aesthetic and / or comfort requirements, it is necessary to provide a large number of elements and / or seams in order to obtain complex three-dimensional shapes, which leads to difficulties in realization, and therefore significant manufacturing costs.

L'invention a pour but de pallier ces inconvénients en proposant une coiffe comprenant au moins un élément moulé tridimensionnel intégré avec des éléments de revêtement classiques, ceci permettant de limiter le nombre d'éléments et/ou de coutures.  The invention aims to overcome these disadvantages by providing a cap comprising at least one integrated three-dimensional molded element with conventional coating elements, this to limit the number of elements and / or seams.

A cet effet, et selon un premier aspect, l'invention propose une matelassure de siège de véhicule automobile comprenant un bloc de matériau de rembourrage, notamment à base de mousse souple, et une coiffe d'habillage confectionnée de sorte à définir un volume intérieur logeant ledit bloc, ladite coiffe comprenant au moins un élément de revêtement, formé d'un matériau de revêtement de nature plane, et au moins un élément tridimensionnel, formé d'un matériau moulé, lesdits éléments étant associés entre eux, de sorte à former tout ou partie de ladite coiffe et étant plaqués contre le bloc de matériau de rembourrage.  For this purpose, and according to a first aspect, the invention provides a motor vehicle seat pad comprising a block of cushioning material, in particular based on flexible foam, and a covering cap made to define an interior volume. housing said block, said cap comprising at least one coating element, formed of a flat-type coating material, and at least one three-dimensional element, formed of a molded material, said elements being associated with each other, so as to form all or part of said cap and being pressed against the block of cushioning material.

Ainsi, l'élément tridimensionnel associé à l'élément de revêtement permettent d'enrober le bloc de rembourrage, quelle que soit la forme de celui-ci sans avoir à multiplier les coutures ou le nombre d'éléments de revêtement pour réaliser des formes complexes. L'utilisation d'éléments moulés permet donc de disposer io d'une grande liberté de formes, et ce de manière simple et à moindre coût.  Thus, the three-dimensional element associated with the coating element makes it possible to coat the padding block, whatever the shape thereof, without having to multiply the seams or the number of coating elements to produce complex shapes. . The use of molded elements therefore makes it possible to have a great freedom of shapes, and this in a simple way and at a lower cost.

Les éléments moulés peuvent notamment comprendre une coque formant au moins une partie d'une des faces d'aspect du revêtement.  The molded elements may in particular comprise a shell forming at least a portion of one of the appearance faces of the coating.

Selon un deuxième aspect, l'invention propose un siège de véhicule automobile comprenant une telle matelassure, ladite matelassure comprenant une coiffe, ladite coiffe comprenant au moins un élément tridimensionnel formé d'un matériau moulé plaqué contre un bloc de rembourrage.  According to a second aspect, the invention proposes a motor vehicle seat comprising such a padding, said padding comprising a cap, said cap comprising at least one three-dimensional element formed of a molded material pressed against a padding block.

Selon un troisième aspect, l'invention propose un procédé de réalisation d'une telle matelassure, ledit procédé comprenant les étapes suivantes: É confectionner une coiffe en associant au moins un élément de revêtement et un élément tridimensionnel, É disposer ladite coiffe dans un moule, É injecter dans ladite coiffe un mélange précurseur de mousse souple en refermant ledit moule, la mousse se plaquant contre la coiffe lors de son expansion, É démouler la matelassure obtenue après expansion de la mousse.  According to a third aspect, the invention proposes a method for producing such a padding, said method comprising the following steps: making a cap by associating at least one coating element and a three-dimensional element, arranging said cap in a mold , Injecting into said cap a precursor mixture of flexible foam by closing said mold, the foam being pressed against the cap during its expansion, demolding the padding obtained after expansion of the foam.

D'autres particularités et avantages de l'invention apparaîtront dans la description qui suit, faite en référence aux figures jointes, dans lesquelles: É la figure 1 représente une vue schématique de dos en perspective d'une matelassure de dossier selon l'invention; É la figure 2 représente une coupe agrandie, selon un plan P, en perspective, de la coiffe habillant la matelassure de la figure 1.  Other features and advantages of the invention will become apparent from the description which follows, with reference to the attached figures, in which: Figure 1 shows a schematic perspective back view of a back padding according to the invention; 2 represents an enlarged section, in a plane P, in perspective, of the cap covering the padding of FIG.

En référence à la figure 1, on décrit à présent une matelassure de siège 1 de véhicule automobile comprenant un bloc 2 de matériau de rembourrage, notamment à base de mousse souple, et une coiffe d'habillage 3 confectionnée de sorte à définir un volume intérieur logeant ledit bloc et plaquée contre ledit bloc.  Referring to Figure 1, there is now described a seat cushion 1 of a motor vehicle comprising a block 2 of cushioning material, in particular based on flexible foam, and a covering cap 3 made so as to define an interior volume housing said block and pressed against said block.

io La coiffe 3 comprend au moins un élément de revêtement 4, formé d'un matériau de revêtement de nature plane, notamment de type textile, cuir ou simili cuir, et au moins un élément tridimensionnel 5, formé d'un matériau moulé.  The cap 3 comprises at least one coating element 4, formed of a flat material of coating material, in particular of textile, leather or imitation leather type, and at least one three-dimensional element 5, formed of a molded material.

Les éléments 4, 5 sont associés entre eux, de sorte à former tout ou partie de la coiffe 3.  The elements 4, 5 are associated with each other, so as to form all or part of the cap 3.

Selon une réalisation, l'élément tridimensionnel 5 est à base de matière plastique injectée. Le choix d'un matériau de nature élastomère permet d'offrir une souplesse compatible avec les exigences de confort attendues.  According to one embodiment, the three-dimensional element 5 is based on injected plastic material. The choice of a material of elastomeric nature makes it possible to offer flexibility that is compatible with the expected comfort requirements.

L'élément tridimensionnel 5 est par exemple une coque formant au moins une partie d'une des faces d'aspect du revêtement, comme représenté sur la figure 1. Par face d'aspect, on entend une face du revêtement qui est visible depuis l'extérieur du siège du véhicule.  The three-dimensional element 5 is for example a shell forming at least a part of one of the appearance faces of the coating, as shown in FIG. 1. By appearance face, is meant a face of the coating which is visible since the outside of the vehicle seat.

Selon une réalisation, l'élément de revêtement 4 est associé à l'élément tridimensionnel 5 par couture.  According to one embodiment, the covering element 4 is associated with the three-dimensional element 5 by sewing.

En variante de réalisation, l'élément de revêtement 4 est associé à l'élément tridimensionnel 5 par soudure.  In an alternative embodiment, the covering element 4 is associated with the three-dimensional element 5 by welding.

Selon une réalisation, représentée en figure 2, l'élément tridimensionnel 5 est associé à l'élément de revêtement 4 le long d'un décrochement rentrant 6, un prolongement périphérique 7 étant prévu au delà dudit décrochement de sorte à masquer la zone d'association 8 desdits éléments.  According to one embodiment, represented in FIG. 2, the three-dimensional element 5 is associated with the covering element 4 along a re-entrant step 6, a peripheral extension 7 being provided beyond said recess so as to mask the zone of association 8 of said elements.

On obtient de la sorte une esthétique améliorée.  In this way, an improved aesthetic is obtained.

On décrit maintenant un procédé de réalisation d'une matelassure 1 telle que décrite précédemment, ledit procédé comprenant les étapes suivantes: É confectionner une coiffe 3 en associant au moins un élément de revêtement 4 et un élément tridimensionnel 5, io ^ disposer ladite coiffe dans un moule, É injecter dans ladite coiffe un mélange précurseur de mousse souple en refermant ledit moule, la mousse se plaquant contre la coiffe lors de son expansion, É démouler la matelassure 1 obtenue après expansion de la 15 mousse.  A method for producing a padding 1 as described above, which method comprises the following steps: making a cap 3 by associating at least one coating element 4 and a three-dimensional element 5, arranging said cap in a mold, injecting into said cap a precursor mixture of flexible foam by closing said mold, the foam being pressed against the cap during its expansion, demolding the padding 1 obtained after expansion of the foam.

En procédant selon un tel procédé, dit in situ , on surmoule l'envers de la coiffe 3 par la mousse, ce qui crée une liaison entre les deux sans recourir à des moyens de fixation complémentaires.  By proceeding according to such a method, said in situ, overmolding the back of the cap 3 by the foam, which creates a connection between the two without the use of additional fastening means.

En variante, on peut réaliser au préalable un bloc de mousse souple, ledit bloc étant habillé, dans une deuxième étape, d'une coiffe 3 selon l'invention. Un tel procédé requiert, toutefois, de fixer la coiffe 3 au bloc de mousse, par des moyens de fixation prévus à cet effet, de sorte à assurer sa tenue correcte en cours d'utilisation de la matelassure 1 et à plaquer le bloc de mousse contre la coiffe 3.  As a variant, a block of flexible foam may be produced beforehand, said block being dressed, in a second step, with a cap 3 according to the invention. Such a method requires, however, to fix the cap 3 to the foam block, by means of attachment provided for this purpose, so as to ensure its correct behavior during use of the padding 1 and to press the block of foam against the cap 3.

Claims (8)

REVENDICATIONS 1) Matelassure (1) de siège de véhicule automobile comprenant un bloc (2) de matériau de rembourrage, notamment à base de mousse souple, et une coiffe (3) d'habillage confectionnée de sorte à définir un volume intérieur logeant ledit bloc, ladite matelassure étant caractérisée en ce que ladite coiffe comprend au moins un élément de revêtement (4), formé d'un matériau de revêtement de nature plane, et au moins un élément io tridimensionnel (5), formé d'un matériau moulé, lesdits éléments étant associés entre eux, de sorte à former tout ou partie de ladite coiffe et étant plaqués contre le bloc (2) de matériau de rembourrage.  1) Motor vehicle seat padding (1) comprising a block (2) of padding material, in particular based on flexible foam, and a covering cap (3) made to define an interior volume housing said block, said padding being characterized in that said cap comprises at least one coating element (4), formed of a flat-type coating material, and at least one three-dimensional element (5), formed of a molded material, said elements being associated with each other, so as to form all or part of said cap and being pressed against the block (2) of padding material. 2) Matelassure selon la revendication 1, caractérisée en ce que l'élément tridimensionnel (5) est à base de matière plastique injectée, notamment de nature élastomère.  2) padding according to claim 1, characterized in that the three-dimensional element (5) is based on injected plastic, in particular of elastomeric nature. 3) Matelassure selon la revendication 1 ou 2, caractérisée en ce que l'élément tridimensionnel (5) est une coque formant au moins une partie d'une des faces d'aspect du revêtement.  3) padding according to claim 1 or 2, characterized in that the three-dimensional element (5) is a shell forming at least a portion of one of the appearance faces of the coating. 4) Matelassure selon l'une quelconque des revendications 1 à 3, caractérisée en ce que l'élément de revêtement (4) est associé à l'élément tridimensionnel (5) par couture.  4) Matelassure according to any one of claims 1 to 3, characterized in that the coating element (4) is associated with the three-dimensional element (5) by stitching. 5) Matelassure selon l'une quelconque des revendications 1 à 3, caractérisée en ce que l'élément de revêtement (4) est associé à l'élément tridimensionnel (5) par soudure.  5) Matelassure according to any one of claims 1 to 3, characterized in that the coating element (4) is associated with the three-dimensional element (5) by welding. 6) Matelassure l'une quelconque des revendications 1 à 5, caractérisée en ce que l'élément tridimensionnel (5) est associé à l'élément de revêtement (4) le long d'un décrochement rentrant (6), un prolongement périphérique (7) étant prévu au delà dudit décrochement de sorte à masquer la zone d'association (8) desdits éléments.  6) Matelassure any one of claims 1 to 5, characterized in that the three-dimensional element (5) is associated with the coating element (4) along a re-entrant recess (6), a peripheral extension ( 7) being provided beyond said recess so as to mask the association zone (8) of said elements. 7) Siège de véhicule automobile comprenant une matelassure selon l'une quelconque des revendications précédentes, ladite matelassure comprenant une coiffe (3), ladite coiffe comprenant au moins un élément tridimensionnel (5) formé d'un matériau moulé, ledit élément étant associé à un élément de revêtement (4), ladite coiffe (3) étant plaquée contre un bloc de matériau de rembourrage (2).  7) A motor vehicle seat comprising a padding according to any one of the preceding claims, said padding comprising a cap (3), said cap comprising at least one three-dimensional element (5) formed of a molded material, said element being associated with a coating element (4), said cap (3) being pressed against a block of cushioning material (2). 8) Procédé de réalisation d'une matelassure selon l'une quelconque des lo revendications 1 à 6, ledit procédé comprenant les étapes suivantes: É confectionner une coiffe (3) en associant au moins un élément de revêtement (4) et un élément tridimensionnel (5), É disposer ladite coiffe dans un moule, É injecter dans ladite coiffe un mélange précurseur de mousse 15 souple en refermant ledit moule, la mousse se plaquant contre la coiffe (3) lors de son expansion, É démouler la matelassure (1) obtenue après expansion de la mousse.  8) A method of producing a padding according to any one of claims 1 to 6, said method comprising the steps of: making a cap (3) by associating at least one coating element (4) and a three-dimensional element (5), arranging said cap in a mold, injecting into said cap a precursor mixture of flexible foam by closing said mold, the foam being pressed against the cap (3) during its expansion, demolding the padding (1 ) obtained after expansion of the foam.
FR0552316A 2005-07-26 2005-07-26 Motor vehicle seat cushioning, has covering element and molded three-dimensional element associated between them so as to form all or part of lining cover and are plated against block of padding material with flexible foam base Pending FR2889127A1 (en)

Priority Applications (1)

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FR0552316A FR2889127A1 (en) 2005-07-26 2005-07-26 Motor vehicle seat cushioning, has covering element and molded three-dimensional element associated between them so as to form all or part of lining cover and are plated against block of padding material with flexible foam base

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FR0552316A FR2889127A1 (en) 2005-07-26 2005-07-26 Motor vehicle seat cushioning, has covering element and molded three-dimensional element associated between them so as to form all or part of lining cover and are plated against block of padding material with flexible foam base

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FR2889127A1 true FR2889127A1 (en) 2007-02-02

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FR0552316A Pending FR2889127A1 (en) 2005-07-26 2005-07-26 Motor vehicle seat cushioning, has covering element and molded three-dimensional element associated between them so as to form all or part of lining cover and are plated against block of padding material with flexible foam base

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6070942A (en) * 1998-05-12 2000-06-06 Mccord Winn Textron Inc. Seating assembly and method of making same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6070942A (en) * 1998-05-12 2000-06-06 Mccord Winn Textron Inc. Seating assembly and method of making same

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