FR2817503A1 - Panel manufacturing procedure, e.g. for vehicle rear parcel shelf, consists of covering rigid support with supple material and overlapping edges - Google Patents

Panel manufacturing procedure, e.g. for vehicle rear parcel shelf, consists of covering rigid support with supple material and overlapping edges Download PDF

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Publication number
FR2817503A1
FR2817503A1 FR0015597A FR0015597A FR2817503A1 FR 2817503 A1 FR2817503 A1 FR 2817503A1 FR 0015597 A FR0015597 A FR 0015597A FR 0015597 A FR0015597 A FR 0015597A FR 2817503 A1 FR2817503 A1 FR 2817503A1
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France
Prior art keywords
edge
blank
support
blanks
folded
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Granted
Application number
FR0015597A
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French (fr)
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FR2817503B1 (en
Inventor
Eric Brillon
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Centre dEtude et de Recherche pour lAutomobile CERA
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Centre dEtude et de Recherche pour lAutomobile CERA
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Classifications

    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/135—Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R5/00—Compartments within vehicle body primarily intended or sufficiently spacious for trunks, suit-cases, or the like
    • B60R5/04—Compartments within vehicle body primarily intended or sufficiently spacious for trunks, suit-cases, or the like arranged at rear of vehicle
    • B60R5/044—Compartments within vehicle body primarily intended or sufficiently spacious for trunks, suit-cases, or the like arranged at rear of vehicle luggage covering means, e.g. parcel shelves
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/433—Casing-in, i.e. enclosing an element between two sheets by an outlined seam
    • B29C66/4332—Casing-in, i.e. enclosing an element between two sheets by an outlined seam by folding a sheet over
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

The procedure consists of covering each of the faces of a rigid support (1) e.g. of a cellular material with a layer of a supple material such as a textile (2) on the top and a non-woven material (3) on the bottom, with the edges of the supple layers projecting over the corners of the support. The edges of the supple layers of material are then trimmed, folded over and stuck down, with the edges of the textile material covering the edges of the non-woven material. The folding and sticking processes can be automated with an air flow and a cam-actuated pressure foot.

Description

<Desc/Clms Page number 1> <Desc / Clms Page number 1>

PROCEDE POUR LA REALISATION D'UN PANNEAU TEL QU'UNE
TABLETTE ARRIERE DE VEHICULE AUTOMOBILE La présente invention concerne un procédé et un dispositif pour la réalisation d'un panneau tel qu'une tablette arrière de véhicule automobile, ainsi qu'une telle tablette. PROCESS FOR THE PRODUCTION OF A PANEL SUCH AS A
The present invention relates to a method and a device for producing a panel such as a rear shelf of a motor vehicle, as well as such a shelf.

Plus particulièrement, l'invention concerne un procédé pour la réalisation d'un panneau tel qu'une tablette arrière de véhicule automobile, comportant un support rigide revêtu sur chacune de ses faces d'un flan en matériau souple, ledit procédé comprenant les étapes consistant à : - recouvrir lesdites faces dudit support, chacune avec le flan respectif, les bordures de chacun des flans dépassant du support ; - remborder lesdites bordures.  More particularly, the invention relates to a method for producing a panel such as a rear shelf of a motor vehicle, comprising a rigid support coated on each of its faces with a blank of flexible material, said method comprising the steps consisting to: - cover said faces of said support, each with the respective blank, the edges of each of the blanks protruding from the support; - overlap said borders.

On connaît déjà de tels procédés utilisés pour la finition des tablettes arrière de véhicule automobile, et plus généralement des panneaux destinés à cacher le contenu du compartiment à bagages. Les figures 1a à 1d représentent en coupe le bord d'une tablette arrière connue et en illustrent le procédé de fabrication. We already know such processes used for finishing rear shelves of a motor vehicle, and more generally panels intended to hide the contents of the luggage compartment. Figures 1a to 1d show in section the edge of a known rear shelf and illustrate the manufacturing process.

On voit à la figure 1a un support rigide 1 réalisé par tout moyen convenable, par exemple en matériau alvéolaire. Ce support est revêtu sur sa face supérieure par un textile 2 et sur sa face inférieure par un non tissé 3. Le textile et le non tissé sont collés sur les faces et la tranche du support 1. La bordure 2'du textile 2 est rabattue sur la tranche 4 du support 1. FIG. 1a shows a rigid support 1 produced by any suitable means, for example made of cellular material. This support is coated on its upper face with a textile 2 and on its lower face with a nonwoven 3. The textile and the nonwoven are bonded to the faces and the edge of the support 1. The edge 2 ′ of the textile 2 is folded down on edge 4 of support 1.

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Figure img00020001
Figure img00020001

Les parties en surplus 5 du textile 2 et du non tissé 3 sont ensuite découpées comme montrées par la flèche 6 de la figure 1b de manière à laisser libre une bavette 7. The surplus parts 5 of the textile 2 and of the nonwoven 3 are then cut out as shown by the arrow 6 in FIG. 1b so as to leave a flap 7 free.

De la colle 8 est ensuite déposée du côté non tissé de la bavette 7 comme montré à la figure 1c. Enfin, comme montré à la figure 1d, la bavette est rembordée sous le panneau où elle adhère au non tissé 3. Glue 8 is then deposited on the nonwoven side of the flap 7 as shown in FIG. 1c. Finally, as shown in FIG. 1d, the flap is tucked under the panel where it adheres to the nonwoven 3.

Ce procédé présente un certain nombre d'inconvénients. This process has a number of drawbacks.

En premier lieu, il fournit des panneaux qui ne présentent pas toujours l'esthétique souhaitée. D'une part, le dessous du panneau laisse apparaître la bavette collée. D'autre part, il est souvent difficile d'éviter la formation de plis dans les coins du panneau. First, it provides panels that do not always have the desired aesthetic. On the one hand, the underside of the panel reveals the glued flap. On the other hand, it is often difficult to avoid the formation of folds in the corners of the panel.

Par ailleurs, ce procédé nécessite un nombre d'étapes importantes. En particulier, il est souhaitable de s'affranchir de l'étape de dépôt de la colle sous la bavette. Furthermore, this process requires a large number of steps. In particular, it is desirable to dispense with the step of depositing the adhesive under the flap.

La présente invention vise à palier ces inconvénients. The present invention aims to overcome these drawbacks.

Plus particulièrement, l'invention a pour but de fournir un procédé de réalisation d'un panneau permettant de diminuer le nombre d'opérations. En particulier, il est souhaitable d'éviter l'adjonction de colle. More particularly, the invention aims to provide a method of producing a panel making it possible to reduce the number of operations. In particular, it is desirable to avoid the addition of glue.

L'invention a également pour but de fournir un procédé procurant un panneau présentant une meilleure esthétique et, en particulier, évitant la formation de plis dans les coins du panneau. The invention also aims to provide a method providing a panel with better aesthetics and, in particular, avoiding the formation of folds in the corners of the panel.

A cet effet, l'invention a tout d'abord pour objet un procédé pour la réalisation d'un panneau tel qu'une tablette arrière de véhicule To this end, the invention firstly relates to a method for producing a panel such as a vehicle rear shelf

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Figure img00030001

automobile, comprenant un support rigide revêtu sur chacune de ses faces d'un flan en matériau souple, ledit procédé comprenant les étapes consistant à : - recouvrir lesdites faces dudit support, chacune avec le flan respectif, les bordures de chacun des flans dépassant du support ; - remborder lesdites bordures ; caractérisé par le fait que l'étape de rembordement comprend les étapes consistant à : - replier la bordure d'un des flans contre la tranche dudit support ; - plaquer la bordure de l'autre flan sur la bordure du flan replié ; - coller les bordures des deux flans.
Figure img00030001

automobile, comprising a rigid support coated on each of its faces with a blank of flexible material, said method comprising the steps consisting in: - covering said faces of said support, each with the respective blank, the edges of each of the blanks projecting from the support ; - overlap said borders; characterized by the fact that the wrapping step comprises the steps consisting in: - folding the edge of one of the blanks against the edge of said support; - place the edge of the other blank on the edge of the folded blank; - glue the edges of the two blanks.

On évite ainsi d'une part les plis dans les coins du panneau, et d'autre part la bavette repliée sous le panneau. This avoids on the one hand the folds in the corners of the panel, and on the other hand the flap folded under the panel.

Dans un mode de mise en oeuvre particulier du procédé selon l'invention, l'étape de rembordement est précédée d'une étape consistant à replier partiellement lesdites bordures contre la tranche du support et à appliquer l'une contre l'autre les parties de bordure restantes. In a particular embodiment of the method according to the invention, the step of wrapping is preceded by a step consisting of partially folding said edges against the edge of the support and applying one against the other the parts of remaining border.

Plus particulier, le procédé selon l'invention peut comprendre une étape de découpe desdites parties de bordure restantes. More particularly, the method according to the invention may include a step of cutting said remaining border portions.

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L'étape consistant à replier le bord d'un des flans contre la tranche dudit support peut comprendre en outre un décollement au moins partiel de la bordure de l'autre flan de ladite tranche.  The step of folding the edge of one of the blanks against the edge of said support may further comprise at least partial detachment of the edge of the other blank of said edge.

Plus particulièrement, l'étape consistant à replier le bord d'un des flans contre la tranche dudit support et à décoller au moins partiellement la bordure de l'autre flan de ladite tranche peut être réalisée à l'aide d'un jet d'air.  More particularly, the step of folding the edge of one of the blanks against the edge of said support and at least partially peeling off the edge of the other blank of said edge can be carried out using a jet of air.

Le collage des bordures des deux flans peut être réalisé par exemple à l'aide d'un film de colle doublant au moins partiellement au moins un desdits flans, ou à l'aide d'une colle en poudre imprégnant au moins un desdits flans. The borders of the two blanks can be bonded, for example using an adhesive film at least partially lining at least one of said blanks, or using a powdered adhesive impregnating at least one of said blanks.

Dans l'un et l'autre cas, on s'affranchit ainsi de l'étape de dépose de colle. In either case, this eliminates the step of depositing glue.

L'invention a également pour objet une tablette arrière de véhicule automobile comprenant un support rigide revêtu sur chacune de ses faces d'un flan en matériau souple, ladite tablette étant caractérisée par le fait que le bord d'un des flans est replié contre la tranche dudit support et que la bordure de l'autre flan est collée sur la bordure du flan replié. The invention also relates to a rear shelf of a motor vehicle comprising a rigid support coated on each of its faces with a blank of flexible material, said shelf being characterized in that the edge of one of the blanks is folded against the edge of said support and that the edge of the other blank is glued to the edge of the folded blank.

Plus particulièrement, le flan dont ladite bordure est repliée peut être constitué par un non tissé, et le flan dont la bordure est collée sur la bordure du flan replié peut être un textile. More particularly, the blank whose folded edge is folded can be made of a nonwoven, and the blank whose edge is glued to the edge of the folded blank can be a textile.

Dans un mode de réalisation particulier, la bordure collée recouvre sensiblement toute la tranche dudit support. In a particular embodiment, the glued border covers substantially the entire edge of said support.

La présente invention a également pour objet un dispositif pour la réalisation d'un panneau tel qu'une tablette arrière de véhicule automobile comportant un support rigide revêtu sur chacune de The present invention also relates to a device for producing a panel such as a rear shelf of a motor vehicle comprising a rigid support coated on each of

<Desc/Clms Page number 5><Desc / Clms Page number 5>

ses faces d'un flan en matériau souple, ledit dispositif étant caractérisé par le fait qu'il comprend : - une cuve de maintien dudit support revêtu desdits flans ; - un poinçon agencé pour se positionner au-dessus dudit support revêtu desdits flans, ledit poinçon comportant des buses pour former des jets d'air aptes à replier la bordure d'un desdits flans contre la tranche dudit support et à provoquer un décollement au moins partiel de la bordure de l'autre flan de ladite tranche ; et - des moyens pour plaquer la bordure dudit autre flan sur la bordure du flan replié.  its faces with a blank of flexible material, said device being characterized in that it comprises: - a holding tank for said support coated with said blanks; - A punch arranged to be positioned above said support coated with said blanks, said punch comprising nozzles to form air jets capable of folding the edge of one of said blanks against the edge of said support and causing at least separation partial of the border of the other blank of said wafer; and - means for pressing the edge of said other blank on the edge of the folded blank.

Dans un mode de réalisation particulier, lesdits moyens pour plaquer la bordure de l'autre flan sur la bordure du flan replié comprennent au moins un sabot mobile guidé par une came. In a particular embodiment, said means for pressing the edge of the other blank on the edge of the folded blank include at least one movable shoe guided by a cam.

On décrira maintenant à titre d'exemple non limitatif un mode de réalisation particulier de l'invention en référence aux dessins schématiques annexés dans lesquels : - les figures 1a à 1d sont des vues partielles en coupe d'une tablette arrière de véhicule automobile illustrant les différentes étapes d'un procédé de réalisation de l'art antérieur ; - les figures 2a à 2e illustrent les différentes étapes du procédé selon l'invention ; et - les figures 3a et 3b représentent un dispositif susceptible de mettre en couvre certaines étapes du procédé selon l'invention, dans deux positions différentes. A particular embodiment of the invention will now be described by way of nonlimiting example with reference to the appended schematic drawings in which: - Figures 1a to 1d are partial sectional views of a rear shelf of a motor vehicle illustrating the different steps of a method for making the prior art; - Figures 2a to 2e illustrate the different steps of the method according to the invention; and - Figures 3a and 3b show a device capable of covering certain steps of the method according to the invention, in two different positions.

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Figure img00060001

Les figures 1 a à 1 d ont déjà été décrites. On décrira maintenant les figures 2a à 2e dans lesquelles les mêmes références ont été utilisées que dans les figures 1a à 1d pour les éléments homologues.
Figure img00060001

Figures 1 a to 1 d have already been described. We will now describe Figures 2a to 2e in which the same references have been used as in Figures 1a to 1d for the homologous elements.

Comme dans l'art antérieur, le support 1 est revêtu sur sa face supérieure d'un textile 2 et sur sa face inférieure d'un non tissé 3. As in the prior art, the support 1 is coated on its upper face with a textile 2 and on its lower face with a nonwoven 3.

Toutefois, un film de colle 10 est ici interposé entre le support 1 et le textile 2 et un film de colle 11 est interposé entre le support 1 et le non tissé 3. However, an adhesive film 10 is here interposed between the support 1 and the textile 2 and an adhesive film 11 is interposed between the support 1 and the nonwoven 3.

Le textile 2 et le film 10 d'une part, ainsi que le non tissé 3 et le film 11 d'autre part, sont tous deux repliés sur la tranche 4 du support 1 jusqu'en un point 12 de cette tranche où les quatre flans sont réunis pour former une bordure libre 13. The textile 2 and the film 10 on the one hand, as well as the nonwoven 3 and the film 11 on the other hand, are both folded over the edge 4 of the support 1 to a point 12 of this edge where the four blanks are joined to form a free border 13.

Comme montré à la figure 2b, la bordure 13 est découpée comme indiquée par la flèche 14. La découpe s'effectue à une distance telle de la tranche 4 du support 1 que la largeur de la bordure du textile 2 et du film 10 soit sensiblement égale à la largeur de la tranche 4 du support 1. As shown in FIG. 2b, the border 13 is cut as indicated by the arrow 14. The cutting is carried out at such a distance from the edge 4 of the support 1 that the width of the border of the textile 2 and of the film 10 is substantially equal to the width of the edge 4 of the support 1.

On voit à la figure 2c que le textile 2 et le film 10 sont ensuite partiellement décollés de la tranche 4 du support 1, et que le non tissé 3 et le film 11 sont complètement repliés contre cette tranche. It can be seen in FIG. 2c that the textile 2 and the film 10 are then partially detached from the edge 4 of the support 1, and that the nonwoven 3 and the film 11 are completely folded against this edge.

A l'étape de la figure 2d, les bordures du textile 2 et du film 10 sont plaquées sur la bordure du non tissé 3. In the step of FIG. 2d, the edges of the textile 2 and of the film 10 are pressed against the edge of the nonwoven 3.

Enfin, à l'étape 2e, l'ensemble est chauffé pour faire fondre les films 10 et 11, de sorte qu'il y ait collage. Finally, in step 2e, the assembly is heated to melt the films 10 and 11, so that there is bonding.

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On observera qu'avant l'étape 2e, les films de colle sont non fondus de sorte qu'il n'y a pas de collage du textile 2 et du non tissé 3 sur le support 1 ni du textile et du non tissé entre eux. It will be observed that before step 2e, the adhesive films are not melted so that there is no bonding of the textile 2 and of the nonwoven 3 on the support 1 nor of the textile and of the nonwoven therebetween. .

Dans un autre mode de réalisation, les films de colle 10 et 11 sont remplacés par de la colle en poudre imprégnée dans le textile 2 et le non tissé 3. In another embodiment, the adhesive films 10 and 11 are replaced by powdered adhesive impregnated in the textile 2 and the nonwoven 3.

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On décrira maintenant en référence aux figures 3a et 3b un dispositif susceptible de mettre en oeuvre les étapes correspondant aux figures 2c à 2e du procédé. We will now describe with reference to Figures 3a and 3b a device capable of implementing the steps corresponding to Figures 2c to 2e of the process.

Ce dispositif comprend pour l'essentiel une cuve 20 susceptible de maintenir le support 1 muni du textile 2, du non tissé 3 et des films de colle 10 et 11. On observera que le support 1 est ici placé à l'envers, avec le textile vers le bas et le non tissé vers le haut. This device essentially comprises a tank 20 capable of holding the support 1 provided with the textile 2, the nonwoven 3 and the adhesive films 10 and 11. It will be observed that the support 1 is here placed upside down, with the textile down and nonwoven up.

Un poinçon 21 vient par tout moyen convenable se placer audessus du support 1. Une buse de jet d'air 22 est formée dans le poinçon 21 et est alimentée à partir d'une canalisation d'air comprimé 23. A punch 21 comes by any suitable means to be placed above the support 1. An air jet nozzle 22 is formed in the punch 21 and is supplied from a compressed air line 23.

La buse 22 est disposée de telle sorte que le jet d'air 24 qui en est issu soit dirigé sur l'arête du support 1 où le non tissé 3 doit être replié contre la tranche 4 du support. Ce jet d'air a donc également pour effet de décoller la bordure du textile 2 de cette tranche 4. The nozzle 22 is arranged so that the air jet 24 which results therefrom is directed on the edge of the support 1 where the nonwoven 3 must be folded against the edge 4 of the support. This jet of air therefore also has the effect of taking off the edge of the textile 2 from this section 4.

Le dispositif comprend également un sabot 25 solidaire d'un axe 26 agencé pour coulisser dans une rainure de came 27 formée dans une pièce 28 fixe. The device also comprises a shoe 25 integral with an axis 26 arranged to slide in a cam groove 27 formed in a fixed part 28.

Le sabot 25 comporte une face d'appui 29 et est muni d'un moyen d'entraînement tel que l'axe 26 peut coulisser d'une extrémité à l'autre de la rainure de came 27. The shoe 25 has a bearing face 29 and is provided with a drive means such that the axis 26 can slide from one end to the other of the cam groove 27.

On voit dans la figure 3a que le sabot 25 est en position basse et qu'un jet d'air 24 est envoyé pour replier la bordure du non tissé 3 contre la tranche 4 du support 1 et pour décoller la bordure du textile 2 à l'écart de cette tranche. It can be seen in FIG. 3a that the shoe 25 is in the low position and that an air jet 24 is sent to fold the edge of the nonwoven 3 against the edge 4 of the support 1 and to take off the edge of the textile 2 to the 'deviation of this tranche.

<Desc/Clms Page number 9> <Desc / Clms Page number 9>

Le sabot 25 est ensuite remonté comme montré à la figure 3b. The shoe 25 is then raised as shown in Figure 3b.

Dans ce mouvement, la face d'appui 29 vient plaquer la bordure du textile 2 contre la bordure du non tissé 3. In this movement, the bearing face 29 presses the edge of the textile 2 against the edge of the nonwoven 3.

La cuve et le poinçon peuvent envoyer ensuite de la vapeur pour faire fondre le film (ou la poudre) et coller ainsi les deux revêtements.The tank and the punch can then send steam to melt the film (or powder) and thus stick the two coatings.

Claims (13)

REVENDICATIONS 1. Procédé pour la réalisation d'un panneau tel qu'une tablette arrière de véhicule automobile comportant un support rigide (1) revêtu sur chacune de ses faces d'un flan (2,3) en matériau souple, ledit procédé comprenant les étapes consistant à : - recouvrir lesdites faces dudit support chacune avec le flan respectif, les bordures de chacun des flans dépassant du support ; - remborder lesdites bordures ; caractérisé par le fait que l'étape de rembordement comprend les étapes consistant à : - replier la bordure d'un des flans contre la tranche (4) dudit support ; - plaquer la bordure de l'autre flan sur la bordure du flan replié ;CLAIMS 1. Method for producing a panel such as a rear shelf of a motor vehicle comprising a rigid support (1) coated on each of its faces with a blank (2,3) of flexible material, said method comprising steps consisting in: - covering said faces of said support each with the respective blank, the edges of each of the blanks projecting from the support; - overlap said borders; characterized in that the wrapping step comprises the steps consisting in: - folding the edge of one of the blanks against the edge (4) of said support; - place the edge of the other blank on the edge of the folded blank; 1 - coller les bordures des deux flans.  1 - glue the edges of the two blanks. 2. Procédé selon la revendication 1, dans lequel l'étape de rembordement est précédée d'une étape consistant à replier partiellement lesdites bordures contre la tranche du support et à appliquer l'une contre l'autre les parties de bordure restantes. 2. The method of claim 1, wherein the step of wrapping is preceded by a step of partially folding said edges against the edge of the support and applying against each other the remaining edge portions. 3. Procédé selon la revendication 2, comprenant une étape de découpe desdites parties des bordures restantes. 3. Method according to claim 2, comprising a step of cutting said parts of the remaining edges. <Desc/Clms Page number 11> <Desc / Clms Page number 11> 4. Procédé selon l'une quelconque des revendications 2 ou 3, dans lequel l'étape consistant à replier le bord d'un des flans contre la tranche dudit support comporte en outre un décollement au moins partiel de la bordure de l'autre flan de ladite tranche. 4. Method according to any one of claims 2 or 3, wherein the step of folding the edge of one of the blanks against the edge of said support further comprises an at least partial detachment of the edge of the other blank of said tranche. 24. 24. 5. Procédé selon la revendication 4, dans lequel l'étape consistant à replier la bordure d'un des flans contre la tranche dudit support et à décoller au moins partiellement la bordure de l'autre flan de ladite tranche est réalisée à l'aide d'un jet d'air5. The method of claim 4, wherein the step of folding the edge of one of the blanks against the edge of said support and at least partially peeling the edge of the other blank of said edge is performed using an air jet 6. Procédé selon l'une quelconque des revendications 1 à 5, dans lequel le collage est réalisé à l'aide d'un film de colle (10, 11) doublant au moins partiellement au moins un desdits flans. 6. Method according to any one of claims 1 to 5, wherein the bonding is carried out using an adhesive film (10, 11) at least partially lining at least one of said blanks. 7. Procédé selon l'une quelconque des revendications 1 à 5, dans lequel le collage est réalisé à l'aide d'une colle en poudre imprégnant au moins un desdits flans. 7. Method according to any one of claims 1 to 5, wherein the bonding is carried out using a powdered adhesive impregnating at least one of said blanks. 8. Tablette arrière de véhicule automobile comprenant un support rigide (1) revêtu sur chacune de ses faces d'un flan (2,3) en matériau souple, caractérisé par le fait que le bord d'un des flans est replié contre la tranche (4) dudit support et que la bordure de l'autre flan est collée sur la bordure du flan replié. 8. Motor vehicle rear shelf comprising a rigid support (1) coated on each of its faces with a blank (2,3) made of flexible material, characterized in that the edge of one of the blanks is folded against the edge (4) of said support and that the edge of the other blank is glued to the edge of the folded blank. 9. Tablette selon la revendication 8, dans laquelle le flan dont la bordure est repliée est en non tissé. 9. Tablet according to claim 8, in which the blank whose folded border is made of nonwoven. 10. Tablette selon l'une quelconque des revendications 8 et 9 dans laquelle le flan dont la bordure est collée sur la bordure du flan replié est en textile. 10. Tablet according to any one of claims 8 and 9 wherein the blank whose edge is glued to the edge of the folded blank is made of textile. 11. Procédé selon l'une quelconque des revendications 8 à 10, dans lequel le flan dont la bordure est plaquée sur la bordure 11. Method according to any one of claims 8 to 10, in which the blank whose edge is pressed against the edge <Desc/Clms Page number 12><Desc / Clms Page number 12> de l'autre flan recouvre sensiblement toute la tranche dudit support. the other blank covers substantially the entire edge of said support. 12. Dispositif pour la réalisation d'un panneau tel qu'une tablette arrière de véhicule automobile comportant un support rigide (1) revêtu sur chacune de ses faces d'un flan (2,3) en matériau souple, caractérisé par le fait qu'il comprend : - une cuve 20 de maintien dudit support revêtu desdits flans ; - un poinçon 21 agencé pour se positionner au-dessus dudit support revêtu desdits flans, ledit poinçon comportant des buses 22 pour former des jets d'air 24 aptes à replier le bord d'un des flans contre la tranche dudit support et à décoller au moins partiellement la bordure de l'autre flan de ladite tranche ; - des moyens pour plaquer la bordure de l'autre flan sur la bordure du flan replié. 12. Device for producing a panel such as a rear shelf of a motor vehicle comprising a rigid support (1) coated on each of its faces with a blank (2,3) made of flexible material, characterized in that 'It comprises: - a tank 20 for holding said support coated with said blanks; a punch 21 arranged to be positioned above said support coated with said blanks, said punch comprising nozzles 22 for forming air jets 24 able to fold the edge of one of the blanks against the edge of said support and to peel off at least partially the border of the other blank of said wafer; - Means for pressing the edge of the other blank on the edge of the folded blank. 13. Dispositif selon la revendication 12, dans lequel lesdits moyens pour plaquer la bordure de l'autre flan sur la bordure du flan replié comprennent au moins un sabot mobile 25 guidé par une came 27.13. Device according to claim 12, in which said means for pressing the edge of the other blank on the edge of the folded blank include at least one movable shoe 25 guided by a cam 27.
FR0015597A 2000-12-01 2000-12-01 METHOD FOR PRODUCING A PANEL SUCH AS A REAR SHELF OF A MOTOR VEHICLE Expired - Fee Related FR2817503B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2967381A1 (en) * 2010-11-16 2012-05-18 Cera Method for making shelf for covering luggage compartment of motor vehicle, involves projecting border of coating material blank from periphery of shell, and folding border to face coating material backing shell that covers edges of blank
FR3008658A1 (en) * 2013-07-17 2015-01-23 Cera COVER TABLE OF A CARGO VEHICLE LUGGAGE COMPARTMENT
FR3010687A1 (en) * 2013-09-16 2015-03-20 Cera CLOSURE PANEL FOR A MOTOR VEHICLE AND METHOD OF MAKING SUCH A PANEL

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US3578535A (en) * 1967-07-22 1971-05-11 Gerhard Gohlfennen Machine for folding edges of a plastics sheet facing about a door panel,or the like
US4248657A (en) * 1979-08-23 1981-02-03 National Service Industries, Inc. Apparatus for covering panels with sheet material
US4986865A (en) * 1989-03-22 1991-01-22 Ikeda Bussan Co., Ltd Method of producing trim board
EP0562300A1 (en) * 1992-03-19 1993-09-29 SPRING DUE Srl Panel for work-tables of furniture with a watertight joint of the covering materials
EP0637500A2 (en) * 1993-07-16 1995-02-08 SATURNO S.p.A MATERIE PLASTICHE Process for producing vehicle interior panels, device implementing the process, and panel produced thereby
DE4308925A1 (en) * 1993-03-19 1995-02-23 Wmt Gmbh Werkzeug & Maschinenb Methods and devices for folding over and fastening the covering material overhanging the edges of a part, in particular for vehicle interior panelling parts
US6007654A (en) * 1996-12-31 1999-12-28 Texas Instruments Incorporated Noncontact method of adhering a wafer to a wafer tape

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578535A (en) * 1967-07-22 1971-05-11 Gerhard Gohlfennen Machine for folding edges of a plastics sheet facing about a door panel,or the like
US4248657A (en) * 1979-08-23 1981-02-03 National Service Industries, Inc. Apparatus for covering panels with sheet material
US4986865A (en) * 1989-03-22 1991-01-22 Ikeda Bussan Co., Ltd Method of producing trim board
EP0562300A1 (en) * 1992-03-19 1993-09-29 SPRING DUE Srl Panel for work-tables of furniture with a watertight joint of the covering materials
DE4308925A1 (en) * 1993-03-19 1995-02-23 Wmt Gmbh Werkzeug & Maschinenb Methods and devices for folding over and fastening the covering material overhanging the edges of a part, in particular for vehicle interior panelling parts
EP0637500A2 (en) * 1993-07-16 1995-02-08 SATURNO S.p.A MATERIE PLASTICHE Process for producing vehicle interior panels, device implementing the process, and panel produced thereby
US6007654A (en) * 1996-12-31 1999-12-28 Texas Instruments Incorporated Noncontact method of adhering a wafer to a wafer tape

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2967381A1 (en) * 2010-11-16 2012-05-18 Cera Method for making shelf for covering luggage compartment of motor vehicle, involves projecting border of coating material blank from periphery of shell, and folding border to face coating material backing shell that covers edges of blank
FR3008658A1 (en) * 2013-07-17 2015-01-23 Cera COVER TABLE OF A CARGO VEHICLE LUGGAGE COMPARTMENT
FR3010687A1 (en) * 2013-09-16 2015-03-20 Cera CLOSURE PANEL FOR A MOTOR VEHICLE AND METHOD OF MAKING SUCH A PANEL

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