FR2532883A2 - Process for the production of a seat element by the moulding of a frame over a lining and seat element obtained by the said process. - Google Patents

Process for the production of a seat element by the moulding of a frame over a lining and seat element obtained by the said process. Download PDF

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Publication number
FR2532883A2
FR2532883A2 FR8215502A FR8215502A FR2532883A2 FR 2532883 A2 FR2532883 A2 FR 2532883A2 FR 8215502 A FR8215502 A FR 8215502A FR 8215502 A FR8215502 A FR 8215502A FR 2532883 A2 FR2532883 A2 FR 2532883A2
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France
Prior art keywords
lining
layer
mold
sheet
springs
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
FR8215502A
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French (fr)
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FR2532883B2 (en
Inventor
Jean-Louis Danton
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.)
Duret M & Fils
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Duret M & Fils
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
Priority to FR8212820A priority Critical patent/FR2530440A2/en
Application filed by Duret M & Fils filed Critical Duret M & Fils
Priority to FR8215502A priority patent/FR2532883B2/en
Priority to AT83401504T priority patent/ATE23663T1/en
Priority to EP83401504A priority patent/EP0100276B1/en
Priority to DE8383401504T priority patent/DE3367724D1/en
Priority to PCT/FR1984/000025 priority patent/WO1985003420A1/en
Publication of FR2532883A2 publication Critical patent/FR2532883A2/en
Application granted granted Critical
Publication of FR2532883B2 publication Critical patent/FR2532883B2/en
Expired legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68Seat frames
    • B60N2/686Panel like structures
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C27/00Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/20Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with springs moulded in, or situated in cavities or openings in foamed material
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/02Seat parts
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/02Seat parts
    • A47C7/18Seat parts having foamed material included in cushioning part
    • A47C7/20Seat parts having foamed material included in cushioning part with reinforcement in the foam layer
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/02Seat parts
    • A47C7/28Seat parts with tensioned springs, e.g. of flat type
    • A47C7/282Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The subject of the invention is the production of a seat element or the like with the aid of a lining comprising at least one covering layer 2, a network formed by a continuous sheet of helical metal springs 3 having intermeshing turns, and an intermediate layer 4 made from plastic foam adhering on one side of the covering sheet 2 and partially embedding the turns of the sheet of springs 3. It consists in overmoulding a rigid frame 9 on the periphery of the lining with interposition, on the side containing the sheet of springs 3, of a sealing bead 6. The invention is particularly applicable to the production of seats for public transport vehicles.

Description

Procédé pour la réalisation d'un élément de siège oar le moulage d'un cadre sur sur une garniture et élément de siege obtenu oar ledit procédé.Method for producing a seat element by molding a frame on a lining and seat element obtained by said method.

La présente invention concerne un procédé pour la réalisation d'un élément de siège ou analogue utilisant une garniture résistant à la lacération, du type de celle décrite dans le brevet principal.  The present invention relates to a method for producing a seat element or the like using a laceration-resistant pad, of the type described in the main patent.

Elle a également pour objet l'élément de siege obtenu par ledit procédé?
On rappelle que l'élément de garniture selon le brevet principal fait intervenir au moins trois éléments bien distincts à savoir
1) Une couche de ouverture en matière plastique compacte, relativement épaisse, qui, en raison de son épaisseur et de sa compacité, 9 constitue un premier obstacle à la lacération. Cette couche de couverture, qui n'est soumise à aucun effort quelconque en tension, présente une faible élasticité dans son plan mais une bonne flexibilité e
2) Un réseau, formé d'une nappe continue de ressorts métalliques, en spirale (hélicoidau) dont les axes sont paralleles à la couche de couverture en matière plastique compacte, et dont les spires sont entremélées les unes avec les autres, de tanière à obtenir, me en plan, une structure en forme de damier, à mailles très peu extensibles, permettant de stopper la pénétration et la progression d'un objet tranchant (les ressorts ne pouvant pas s1 écarter pour laisser le passage dudit objet), les spires desdits ressorts venant, d'un côté, sensiblement affleurer contre la face inférieure de la couche de couverture.
It also relates to the seat element obtained by said process?
It will be recalled that the trim element according to the main patent involves at least three very distinct elements, namely
1) A relatively thick, compact plastic opening layer which, owing to its thickness and compactness, 9 constitutes a first obstacle to laceration. This covering layer, which is not subjected to any stress whatsoever in tension, has a low elasticity in its plane but a good flexibility e
2) A network, formed of a continuous sheet of metal springs, in a spiral (helical), the axes of which are parallel to the cover layer of compact plastic, and whose turns are interwoven with one another, from den to obtain, in plan, a structure in the form of a checkerboard, with very slightly extensible meshes, making it possible to stop the penetration and the progression of a sharp object (the springs cannot be separated to allow the passage of said object), the turns said springs coming, on one side, substantially flush against the underside of the cover layer.

3) Une couche intermédiaire de liaison entre la couche de couverture et la nappe de ressorts, cette couche étant réalisée en une mousse de matière plastique dtépaisseur inférieure au diamètre des spires des ressorts de ladite nappe et adhérant, d'un côté sur la face inférieure de la couche de couverture en matière plastique çompacte et venant en partie enrober les spires de la nappe de ressorts (sur une fraction de l'épaisseur de la nappe de ressorts). 3) An intermediate bonding layer between the covering layer and the sheet of springs, this layer being made of a plastic foam of thickness less than the diameter of the turns of the springs of said sheet and adhering, on one side to the underside of the compact plastic covering layer and partially coating the turns of the spring ply (over a fraction of the thickness of the spring ply).

Pour réaliser un élément de siège à laide dune telle garniture, il est nécessaire de découper la garniture aux dimensions puis de la fixer, par au moins une partie de sa périphérie, à la stnacture rigide du siège ou sur un élément rigide tel qu'un cadre destiné à outre rapporté sur la structure du siège. To produce a seat element using such a trim, it is necessary to cut the trim to dimensions and then fix it, by at least part of its periphery, to the rigid structure of the seat or on a rigid element such as a frame intended for further reported on the seat structure.

On constate que, dans le cas de 11 élément de garniture précédemalent décrit, cette fixation s'avère être une opération délicate en raison de la partie de la -nappe de ressorts émergeant, en saillie, de la couche intermédiaire en mousse de matière plastique. It can be seen that, in the case of the previously described lining element, this fixing proves to be a delicate operation due to the part of the spring sheet emerging, projecting, from the intermediate layer of plastic foam.

L'emploi des procédés casuels pour assurer cette fixation tels que pincement, clouage, vissage ou momie soudure de la nappe de ressorts sur un cadre périphéri que présente de nombreux inconvénients, à savoir
- l'emploi d'une main-d'oeuvre relativement importante,
- des colts de fabrication relativements élevés,
- la difficulté, pour parvenir à la réalisation d'un siège de structure légère et présentant un aspect esthétique agréable.
The use of the usual methods to ensure this fixing such as pinching, nailing, screwing or welding mummy of the sheet of springs on a peripheral frame which has many disadvantages, namely
- the employment of a relatively large workforce,
- relatively high manufacturing costs,
- The difficulty, to achieve the realization of a seat of light structure and having a pleasant aesthetic appearance.

L'invention a donc pour but de supprimer ces inconvénients. A cet effet elle propose un procédé consistant à mouler, sur la périphérie de la garniture, un cadre rigide en une matière plastique convenablement choisie. Il est clair qu'un tel moulage implique de résoudre le problème posé par la partie de la nappe de ressorts dépassant hors de la couche intermédiaire. The invention therefore aims to eliminate these drawbacks. To this end, it proposes a method consisting in molding, on the periphery of the lining, a rigid frame of a suitably chosen plastic material. It is clear that such a molding involves solving the problem posed by the part of the sheet of springs protruding outside the intermediate layer.

En effet,- en raison des ressorts, il ntest guère possible de concevoir un moule venant s'assembler, de façon étanche, sur la garniture. La matière de moulage s'écoulera donc dans l'espace libre situé au niveau de la nappe de ressorts.Indeed, - because of the springs, it is hardly possible to design a mold coming to assemble, in a leaktight manner, on the lining. The molding material will therefore flow into the free space located at the level of the spring ply.

Pour surmonter cet obstacle, le procédé selon l'intention comprend donc les opérations suivantes
- La découpe de la garniture,
- Le dépôt, à une légère distance de la bordure périphérique, du coté ou émerge la nappe de ressorts, d'un cordon en matière plastique possédant des propriétés d'élasticité, ce cordon venant adhérer sur la couche intermédiaire en mousse de matière plastique, et venant enrober, en la dépassant, la partie de la nappe de ressorts sortant de ladite couche intermédiaire. Ce cordon est notamment destiné à servir d'élément d'étanchéité lors du moulage du cadre rigide.
To overcome this obstacle, the method according to the intention therefore comprises the following operations
- Cutting the filling,
- The deposition, at a slight distance from the peripheral edge, on the side where the sheet of springs emerges, of a plastic cord having elasticity properties, this cord adhering to the intermediate layer of plastic foam, and coming to coat, by exceeding it, the part of the sheet of springs leaving said intermediate layer. This cord is in particular intended to serve as a sealing element during the molding of the rigid frame.

- La mise en place de la bordure périphérique de la garniture dans la cavité d'un moule pdriphérique. - The placement of the peripheral edge of the lining in the cavity of a peripheral mold.

l'étanchéité entre la garniture et le moule étant assurée, d'un cté par le contact de la paroi da moule avec la face extérieure de la garniture, et, de t l'autre coté, par le contact de la paroi du moule sur le cordon d'étanchéité, et
- Le coulage ou l'injection d'une matière plastique convenablement choisie à l'intérieur du moule.
the seal between the lining and the mold being ensured, on one side by the contact of the mold wall with the external face of the lining, and, on the other side, by the contact of the mold wall on the sealing bead, and
- Pouring or injecting a suitably chosen plastic material inside the mold.

Selon une autre caractéristique de l'invention, on exerce sur la garniture, AU cours de la phase de mise en place et de moulage, une contrainte on vue de lui ccnférer, en jouant sur sa flexibilité, une forme galbée. Cette forme galbée demeurera ensuite après la prise de la matière plastique cons tituant le cadre e
D'une manière avantageuse, cette forme galbée peut astre obtenue en maintenant la couverture plaquée, par exemple par aspiration sur une matrice présentant la forme désirée.
According to another characteristic of the invention, a stress is exerted on the lining, during the setting up and molding phase, seen to give it, by varying its flexibility, a curved shape. This curved shape will then remain after the setting of the plastic constituting the frame e
Advantageously, this curved shape can be obtained by maintaining the covering covered, for example by suction on a matrix having the desired shape.

Bien entendu, l'invention concerne également l'élément de siège ou analogue, obtenu par le procédé précédemment décrit. Of course, the invention also relates to the seat element or the like, obtained by the method described above.

Des modes de réalisation de l'invention seront décrits ci-après, à titre d'exemples non limitatifs, avec référence aux dessins annexés dans lesquels
- Les figures 1 à 4, représentent schématiquement les différentes étapes du procédé pour la réalisation d'un élément de siège selon l'invention
- La figure 5 représente, en perspective, un élément de siège obtenu par ledit procédé
- Les figures 6 et 7 représentent une partie découpée de l'élément de siège représenté figure 5, cette partie étant vue de dessus (figure 6), et vue de dessous (figure 7).
Embodiments of the invention will be described below, by way of nonlimiting examples, with reference to the accompanying drawings in which
- Figures 1 to 4 schematically represent the different stages of the method for producing a seat element according to the invention
- Figure 5 shows, in perspective, a seat element obtained by said method
- Figures 6 and 7 show a cut-out part of the seat element shown in Figure 5, this part being seen from above (Figure 6), and seen from below (Figure 7).

Comme précédemment mentionné, la première phase du procédé selon l'invention consiste en la découpe d'un élément de garniture 1. On rappelle que cet élément de garniture se compose (figure 1)
- d'une couche de couverture 2 en matière plastique compacte, relativement épaisse cette couche de couverture 2 pouvant éventuellement 8tre recouverte, c8té extérieur, par un tissu (non représenté).
As previously mentioned, the first phase of the method according to the invention consists in cutting a packing element 1. It will be recalled that this packing element is made up (FIG. 1)
- A cover layer 2 of compact plastic material, relatively thick, this cover layer 2 can possibly be covered, outer side, by a fabric (not shown).

- d'un réseau 3 formé d'une nappe continue de ressorts hélicoïdaux entrem81es, dont les spires viennent dlun opté, sensiblement affleurer contre la face inférieure de la couche de couverture 2, et,
- d'une couche intermédiaire de liaison 4 entre la couche de couverture 2 et la nappe de ressorts 3 cette couche étant réalisée en une mousse de matière plastique adhérant, d'un coté sur la face inférieure de la couche de couverture en matière plastique compacte 2 et venant, en partie enrober, les spires de la nappe de ressorts 3.
a network 3 formed of a continuous sheet of intermeshing helical springs, the turns of which come from an optic, substantially flush against the underside of the covering layer 2, and,
- an intermediate bonding layer 4 between the covering layer 2 and the spring ply 3, this layer being made of an adherent plastic foam, on one side on the underside of the compact plastic covering layer 2 and coming, in part to coat, the turns of the spring ply 3.

La deuxième phase du procédé consiste à couler, à proximité de la bordure périphérique 5 de l'élément de garniture 1, du côté de la nappe de ressorts 3, un cordon en matière plastique 6 présentant des propriétés d'élasticité e Ce cordon 6 vient enrober la partie extérieure des spires de la nappe de ressorts 3, dans la zone correspondante et vient adhérer sur la couche intermédiaire 4 en mousse de matière plastique. The second phase of the process consists in pouring, near the peripheral edge 5 of the lining element 1, on the side of the spring ply 3, a plastic bead 6 having elasticity properties e This bead 6 comes coat the outer part of the turns of the sheet of springs 3, in the corresponding zone and adhere to the intermediate layer 4 of plastic foam.

La troisième phase consiste à engager la bordure périphérique 5 à l'intérieur de la cavité 7 d'un moule 8 de forme correspondante dont la cavité présente une section correspondant à celle du cadre 9 que l'on désire réaliser Parallèlement, on galbe la garniture X en la maintenant appliquée, par sa couverture, sur une matrice 10 présentant la forme 11 désirée A cet effet, la matrice comprend une pluralité de perçages 12 raccordés à un générateur de vide (non représenté). L'élément de garniture 1 se trouve donc aspiré sur sur la matrice 10 et, grâce à sa flexibi- lité, épouse la forme 11 de cette matrice 10 (figure 3). The third phase consists in engaging the peripheral border 5 inside the cavity 7 of a mold 8 of corresponding shape, the cavity of which has a section corresponding to that of the frame 9 which it is desired to make. At the same time, the lining is curved. X by maintaining it applied, by its cover, to a matrix 10 having the desired shape 11 For this purpose, the matrix comprises a plurality of holes 12 connected to a vacuum generator (not shown). The packing element 1 is therefore sucked onto the matrix 10 and, thanks to its flexibility, follows the shape 11 of this matrix 10 (FIG. 3).

Dans cette position, on coule duu on injecte dans le moule 8 la matière plastique destinée à réaliser le cadre 9e Cette matière plastique vient enrober la bordure périphérique 5 de l'élément de garniture 1, 7 compris l'extrémité de la nappe de ressorts 3. on obtient ainsi un excellent ancrage. In this position, pouring duu is injected into the mold 8 the plastic material intended to make the frame 9th This plastic material coats the peripheral edge 5 of the packing element 1, 7 including the end of the sheet of springs 3 an excellent anchoring is thus obtained.

La dernière phase du procédé consiste en le démoulage de l'élément de siège, une fois que la matière plastique formant le cadre 9 s1est solidifiée. The last phase of the process consists in demolding the seat element, once the plastic material forming the frame 9 has solidified.

En raison de la rigidité de ce cadre 9, l'élément de garniture 1 conserve la forme pré contrainte fournie par la matrice 10.Due to the rigidity of this frame 9, the packing element 1 retains the pre-stressed shape provided by the matrix 10.

Le-procédé selon invention permet donc d'obtenir des éléments de siège tel que, par exemple, celui représenté figures 5 à 7. The process according to the invention therefore makes it possible to obtain seat elements such as, for example, that shown in FIGS. 5 to 7.

Dans cet élément de siège, l'élément de garniture 1 présente, naturellement, à l'arrière 12, une forme légèrement bombée et, à l'avant 13, une forme plane ou légèrement concave. Grue aux propriétés mécaniques de cette garniture 1, cette forme se conservera, m8me après utilisation.  In this seat element, the trim element 1 has, naturally, at the rear 12, a slightly domed shape and, at the front 13, a flat or slightly concave shape. Crane with mechanical properties of this packing 1, this shape will be preserved even after use.

Claims (5)

REVENDICATIONS 1.- Procédé pour la réalisation d1un élément de siège ou analogue à Laide d'une garniture 1 selon la revendication t du brevet principal, c1est-à-dire comprenant au moins, une couche de couverture en matière plastique (2) relativement compacte, un réseau formé par une nappe continue de ressorts métalliques (3), en spirale, dont les axes sont parallèles.à la couche de couverture (2) et dont les spires, entremêlées viennent, d1un c8té, sensiblement affleurer contre la face inférieure de la couverture (2), et une couche intermédiaire de liaison (k) entre la couche de couverture (2) et la nappe de ressorts (3), cette couche étant réalisée en une mousse de matière plastique adhérant d'un c8té à la face inférieure de la couche de couverture (2) et venant, en partie,enrober les spires de la nappe de ressorts (3), procédé caractérisé en ce quZil comprend les opérations suivantes 1. A method for producing a seat element or the like using a lining 1 according to claim t of the main patent, that is to say comprising at least one relatively compact plastic covering layer (2), a network formed by a continuous sheet of metal springs (3), in a spiral, the axes of which are parallel to the cover layer (2) and the interwoven turns of which come, on one side, substantially flush against the underside of the cover (2), and an intermediate bonding layer (k) between the cover layer (2) and the sheet of springs (3), this layer being made of a plastic foam adhering from one side to the underside of the covering layer (2) and coming, in part, to coat the turns of the spring ply (3), process characterized in that it comprises the following operations ta découpe de la garniture (1) your trim cutout (1) - Le dépôt, à une légère distance de la bordure périphérique, du c8té où ressort la nappe de ressorts (3), d'un cordon en matière plastique (6) possédant des propriétés dtélasticité, ce cordon venant adhérer sur la couche intermédiaire en mousse de matière plastique (4), et venant enrober, en la dépassant, la partie de la nappe de ressorts (3) sortant de ladite couche intermédiaire (4); - The deposit, at a slight distance from the peripheral edge, of the side where the spring sheet (3) emerges, of a plastic cord (6) having elastic properties, this cord adhering to the intermediate foam layer of plastic material (4), and coming to coat, by exceeding it, the part of the sheet of springs (3) emerging from said intermediate layer (4); - La mise en place de la bordure périphérique (5) de la garniture dans un moule périphérique (8), ce moule (8) présentant une cavité dans laquelle pénètre ladite bordure (5), l'étanchéité entre la garniture (1) et le moule (8) étant assurée, d'un côté, par le contact de la paroi du moule (8) avec la face extérieure de la garniture (1), et, de l'autre côté, par le contact de la paroi du moule (8) sur le cordon d'étanchéité (6), et  - The establishment of the peripheral border (5) of the lining in a peripheral mold (8), this mold (8) having a cavity into which penetrates said border (5), the seal between the lining (1) and the mold (8) being provided, on one side, by the contact of the wall of the mold (8) with the outer face of the lining (1), and, on the other side, by the contact of the wall of the mold (8) on the sealing bead (6), and - Le coulage ou l'injection d'une matière plastique convenablement choisie à l'intérieur du moule. - Pouring or injecting a suitably chosen plastic material inside the mold. 2.- Procédé selon la revendication 1, caractérisé en ce que, au cours des phases de mise en place et de moulage, on exerce sur la garniture (1) une contrainte en vue de lui conférera en jouant sur sa flexibilité, une forme prédéterminée.  2.- Method according to claim 1, characterized in that, during the phases of establishment and molding, is exerted on the lining (1) a stress in order to give it by playing on its flexibility, a predetermined shape . 3.- Procédé selon la revendication 2, caractérisé en ce que la susdite forme prédéterminée est obtenue en maintenant la couverture (2) plaquée sur une matrice (10) présentant une forme (li) correspondante. 3.- Method according to claim 2, characterized in that the aforementioned predetermined shape is obtained by maintaining the cover (2) pressed against a matrix (10) having a shape (li) corresponding. 4.- Procédé selon la revendication 3, caractérisé en ce que le maintien de la garniture (1) sur la matrice (10) s1 effectue par aspiration. 4.- Method according to claim 3, characterized in that the maintenance of the lining (1) on the matrix (10) s1 is carried out by suction. 5. élément de siège obtenu à l'aide du procédé selon l'une des revendications précédentes.  5. seat element obtained using the method according to one of the preceding claims.
FR8215502A 1982-07-22 1982-09-14 PROCESS FOR PRODUCING A SEAT ELEMENT BY MOLDING A FRAME ON A TRIM AND SEAT ELEMENT OBTAINED BY SAID METHOD Expired FR2532883B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8212820A FR2530440A2 (en) 1982-07-22 1982-07-22 Upholstery element resisting laceration for seats or the like and its manufacturing method.
FR8215502A FR2532883B2 (en) 1982-09-14 1982-09-14 PROCESS FOR PRODUCING A SEAT ELEMENT BY MOLDING A FRAME ON A TRIM AND SEAT ELEMENT OBTAINED BY SAID METHOD
AT83401504T ATE23663T1 (en) 1982-07-22 1983-07-22 METHOD OF MAKING A SEATING ELEMENT BY CASTING A FRAME ONTO UPHOLSTERY AND SEATING ELEMENT MADE BY THIS METHOD.
EP83401504A EP0100276B1 (en) 1982-07-22 1983-07-22 Method of manufacturing a seat element by moulding a frame on upholstery, and seat element made thereby
DE8383401504T DE3367724D1 (en) 1982-07-22 1983-07-22 Method of manufacturing a seat element by moulding a frame on upholstery, and seat element made thereby
PCT/FR1984/000025 WO1985003420A1 (en) 1982-07-22 1984-02-03 Process for making a seat element by moulding a frame on a lining and seat element obtained by said process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8215502A FR2532883B2 (en) 1982-09-14 1982-09-14 PROCESS FOR PRODUCING A SEAT ELEMENT BY MOLDING A FRAME ON A TRIM AND SEAT ELEMENT OBTAINED BY SAID METHOD

Publications (2)

Publication Number Publication Date
FR2532883A2 true FR2532883A2 (en) 1984-03-16
FR2532883B2 FR2532883B2 (en) 1988-06-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1236610A3 (en) * 2001-03-02 2004-01-28 Schwarzbich, Jörg Method for making a lumbar support
FR2891778A1 (en) * 2005-10-10 2007-04-13 Cera AUTOMOTIVE VEHICLE SEAT MAINASSURE WHERE THE COATING INCLUDES A DISSOCIATED PARIPHERIC AREA OF THE FOAM
FR2891777A1 (en) * 2005-10-10 2007-04-13 Cera Seat upholstery for motor vehicle, has cover covering foam body and having central part surrounded partially by peripheral zone that is associated to part by confection, where part is over-molded by foam body

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1236610A3 (en) * 2001-03-02 2004-01-28 Schwarzbich, Jörg Method for making a lumbar support
US7120984B2 (en) 2001-03-02 2006-10-17 Jorg Schwarzbich Method of producing a lordosis support
FR2891778A1 (en) * 2005-10-10 2007-04-13 Cera AUTOMOTIVE VEHICLE SEAT MAINASSURE WHERE THE COATING INCLUDES A DISSOCIATED PARIPHERIC AREA OF THE FOAM
FR2891777A1 (en) * 2005-10-10 2007-04-13 Cera Seat upholstery for motor vehicle, has cover covering foam body and having central part surrounded partially by peripheral zone that is associated to part by confection, where part is over-molded by foam body

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FR2532883B2 (en) 1988-06-24

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