FR2937277A1 - Liner assembly fabrication method for door panel of motor vehicle, involves covering junction line of multilayer element by fluid material during injection of fluid material in mold cavity for masking junction line by insert - Google Patents
Liner assembly fabrication method for door panel of motor vehicle, involves covering junction line of multilayer element by fluid material during injection of fluid material in mold cavity for masking junction line by insert Download PDFInfo
- Publication number
- FR2937277A1 FR2937277A1 FR0857119A FR0857119A FR2937277A1 FR 2937277 A1 FR2937277 A1 FR 2937277A1 FR 0857119 A FR0857119 A FR 0857119A FR 0857119 A FR0857119 A FR 0857119A FR 2937277 A1 FR2937277 A1 FR 2937277A1
- Authority
- FR
- France
- Prior art keywords
- fluid material
- junction line
- multilayer element
- skin
- substrate
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000012530 fluid Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000002347 injection Methods 0.000 title abstract 2
- 239000007924 injection Substances 0.000 title abstract 2
- 230000000873 masking effect Effects 0.000 title abstract 2
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 239000006260 foam Substances 0.000 claims abstract description 14
- 238000005304 joining Methods 0.000 claims description 13
- 238000012856 packing Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
- 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
- B29C44/141—Hiding joints in the lining
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14467—Joining articles or parts of a single article
-
- 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
-
- 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
- B29L2031/3014—Door linings
-
- 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
- B29L2031/3041—Trim panels
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
L'invention concerne un procédé de fabrication d'un ensemble de garniture, pour intérieur de véhicule automobile. Ces ensembles de garniture sont utilisés dans l'habitacle des véhicules automobiles comme panneau de porte, par exemple. The invention relates to a method of manufacturing a lining assembly, for interior of a motor vehicle. These trim assemblies are used in the passenger compartment of motor vehicles as a door panel, for example.
Ils comprennent une face avant destinée à être visualisée par les occupants du véhicule. Ces ensembles de garniture comprennent un insert rigide sur lequel est disposé un élément multicouche décoratif. Cet élément multicouche recouvre partiellement l'insert et présente une certaine épaisseur. They comprise a front face intended to be viewed by the occupants of the vehicle. These trim assemblies comprise a rigid insert on which is disposed a decorative multilayer element. This multilayer element partially covers the insert and has a certain thickness.
L'élément multicouche comporte un substrat, une peau ou un tissu et une couche de mousse disposée entre le substrat et la peau. Après fabrication de l'élément multicouche, ce dernier présente une section de matière ou tranche matière à sa périphérie qui est visible. Les différentes couches de matériaux composant l'élément multicouche sont visibles. Des procédés connus d'assemblage de l'élément multicouche sur l'insert consistent à surmouler l'élément multicouche dans l'insert ou à afficher ce dernier sur l'insert. Les bords à la périphérie de l'élément multicouche peuvent ensuite être découpés et cautérisés pour améliorer l'impact visuel de l'ensemble de garniture et diminuer la sensibilité au pelage des bords. Ces opérations ont pour but de rendre moins visible la tranche matière en périphérie de l'élément multicouche. L'ensemble de garniture peut ensuite être assemblé par l'avant ou l'arrière 25 d'un panneau de porte. Néanmoins, l'effet visuel obtenu avec les procédés de l'art antérieur n'est pas totalement satisfaisant. De plus, ces procédés consomment beaucoup de matière lors du découpage. L'invention a pour objet de fournir un procédé de fabrication consommant 30 moins de matière et permettant d'obtenir un ensemble de garniture sans tranche matière visible, améliorant ainsi l'effet visuel. A cet effet, l'invention concerne un procédé de fabrication d'un ensemble de garniture, pour intérieur de véhicule automobile. L'ensemble de garniture comprend un élément multicouche et un insert, 35 ledit élément multicouche comportant un substrat, une peau et une couche de mousse disposée entre ledit substrat et ladite peau, ledit procédé comprenant en outre les étapes consistants à : a) fabriquer ledit élément multicouche, b) positionner ledit élément multicouche dans une cavité de moule, c) injecter un matériau fluide, destiné à former ledit insert, dans la cavité de moule, afin de surmouler ledit élément multicouche dans ledit insert. Selon l'invention : - ladite étape a) comporte une opération de jonction des bords de ladite peau avec les bords dudit substrat, fournissant une couche de mousse encapsulée par ladite peau et ledit substrat, ledit élément multicouche présentant une ligne de jonction, et - ladite ligne de jonction est recouverte par ledit matériau fluide lors de l'étape c) afin de masquer ladite ligne de jonction par ledit insert. L'invention permet d'obtenir un ensemble de garniture sans bord d'élément 15 multicouche ou tranche matière visible. La sensibilité au pelage est également éliminée ou réduite. L'invention permet de moins consommer de matière en éliminant l'étape de découpe en périphérie de l'élément multicouche. L'étape de cautérisation est également éliminée. On obtient un procédé plus économique faisant 20 intervenir moins d'étapes et moins d'outils. Avec ce procédé, il est possible de réduire le coût par pièce de 20%, par rapport aux procédés de l'art antérieur. Dans différents modes de réalisation possibles, la présente invention concerne également les caractéristiques suivantes qui pourront être considérées isolément ou selon toutes leurs combinaisons techniquement 25 possibles et apportent chacune des avantages spécifiques : - l'opération de jonction consiste en une opération de soudure, ladite ligne de jonction étant une ligne de soudure, - l'opération de jonction consiste en une opération de collage, ladite ligne de jonction étant une ligne de collage, 30 - l'étape a comprend les opérations consistant à : fabriquer ladite peau, fabriquer ledit substrat, positionner ladite peau et ledit substrat dans un moule de moulage, et injecter un matériau fluide entre ladite peau et ledit substrat pour former une couche de mousse, l'opération de jonction des bords de ladite peau avec les bords dudit substrat étant 35 réalisée après ladite étape d'injection de matériau fluide. The multilayer element comprises a substrate, a skin or a tissue and a layer of foam disposed between the substrate and the skin. After manufacture of the multilayer element, the latter has a section of material or slice material at its periphery which is visible. The different layers of materials composing the multilayer element are visible. Known methods for assembling the multilayer element on the insert consist of overmoulding the multilayer element in the insert or to display the latter on the insert. The edges at the periphery of the multilayer element can then be cut and cauterized to improve the visual impact of the liner assembly and decrease the peelability of the edges. These operations are intended to make less visible the material wafer at the periphery of the multilayer element. The trim assembly can then be assembled from the front or rear of a door panel. Nevertheless, the visual effect obtained with the methods of the prior art is not totally satisfactory. In addition, these processes consume a lot of material during cutting. The object of the invention is to provide a manufacturing method which consumes less material and which makes it possible to obtain a set of lining without a visible material slice, thus improving the visual effect. For this purpose, the invention relates to a method of manufacturing a lining assembly, for interior of a motor vehicle. The packing assembly comprises a multilayer element and an insert, said multilayer element having a substrate, a skin and a foam layer disposed between said substrate and said skin, said method further comprising the steps of: a) manufacturing said multilayer element, b) positioning said multilayer element in a mold cavity, c) injecting a fluid material, intended to form said insert, into the mold cavity, in order to overmold said multilayer element in said insert. According to the invention: said step a) comprises an operation of joining the edges of said skin with the edges of said substrate, providing a layer of foam encapsulated by said skin and said substrate, said multilayer element having a junction line, and said junction line is covered by said fluid material in step c) to mask said junction line by said insert. The invention makes it possible to obtain a trim assembly without a multilayer element edge or a visible material wafer. The peel sensitivity is also eliminated or reduced. The invention makes it possible to consume less material by eliminating the cutting step at the periphery of the multilayer element. The cauterization step is also eliminated. A more economical process involving fewer steps and fewer tools is obtained. With this method, it is possible to reduce the cost per piece by 20%, compared to the methods of the prior art. In various possible embodiments, the present invention also relates to the following features which may be considered in isolation or in all their technically possible combinations and each bring specific advantages: the joining operation consists of a welding operation, said line wherein the joining operation is a bonding operation, said joining line being a bonding line, step a comprises the steps of: manufacturing said skin, making said substrate positioning said skin and said substrate in a molding mold, and injecting a fluid material between said skin and said substrate to form a foam layer, the operation of joining the edges of said skin with the edges of said substrate being carried out after said step of injecting fluid material.
L'invention sera décrite plus en détail en référence aux dessins annexés dans lesquels : - la figure 1 représente un ensemble de garniture obtenu avec le procédé de l'invention ; - la figure 2 représente un panneau de porte comprenant cet ensemble de garniture. Selon un mode de réalisation possible de l'invention, le procédé de fabrication d'un ensemble de garniture, pour intérieur de véhicule automobile comprend une étape a) de fabrication d'un élément multicouche 1. The invention will be described in more detail with reference to the accompanying drawings in which: - Figure 1 shows a packing assembly obtained with the method of the invention; - Figure 2 shows a door panel comprising this trim assembly. According to a possible embodiment of the invention, the method of manufacturing a lining assembly for a motor vehicle interior comprises a step a) of manufacturing a multilayer element 1.
Comme illustré sur la figure 1, cet élément multicouche 1 comporte un substrat 5, une peau 4 et une couche de mousse 3 disposée entre le substrat 5 et la peau 4. On entend par peau , une couche de matériau flexible pouvant être du tissu, du cuir, ou un polymère (PVC par exemple). La mousse est un polymère qui peut être du polyuréthane, par exemple. As illustrated in FIG. 1, this multilayer element 1 comprises a substrate 5, a skin 4 and a layer of foam 3 placed between the substrate 5 and the skin 4. By skin is meant a layer of flexible material that may be fabric, leather, or a polymer (PVC for example). The foam is a polymer which may be polyurethane, for example.
Le substrat 5 est un substrat rigide en polymère. La peau 4 de l'élément multicouche 1 comprend une face avant destinée à être visualisée par les occupants du véhicule. Les documents de l'art antérieur WO 2006/058992 et US 20060082175 décrivent des procédés possibles pour obtenir cet élément multicouche 1. Substrate 5 is a rigid polymer substrate. The skin 4 of the multilayer element 1 comprises a front face intended to be visualized by the occupants of the vehicle. The prior art documents WO 2006/058992 and US 20060082175 describe possible methods for obtaining this multilayer element 1.
Ce procédé comprend une première étape de fabrication de la peau 4 et du substrat 5. Ensuite, la peau 4 est disposée sur une partie de moule. Le substrat 5 est disposé sur l'autre partie de moule. Les deux parties du moule sont rapprochées et un matériau fluide, destiné à former un matériau alvéolaire ou une mousse 3, est ensuite injecté dans le moule, entre la peau 4 et le substrat 5 rigide. Après, refroidissement et solidification de la mousse 3, puis démoulage, on obtient l'élément multicouche 1 qui présente une section de matière ou tranche matière à sa périphérie. Chaque couche de matériau (peau, mousse et substrat) présente des bords ou une bordure en périphérie de l'élément multicouche 1. L'étape a) de fabrication de l'élément multicouche 1 comporte une opération de jonction des bords de la peau 4 avec les bords du substrat 5, fournissant une couche de mousse 3 encapsulée par la peau 4 et le substrat 5. This method comprises a first step of manufacturing the skin 4 and the substrate 5. Next, the skin 4 is disposed on a mold part. The substrate 5 is disposed on the other mold part. The two parts of the mold are brought together and a fluid material, intended to form a cellular material or a foam 3, is then injected into the mold, between the skin 4 and the rigid substrate 5. After cooling and solidification of the foam 3, then demolding, the multilayer element 1 is obtained which has a section of material or slice material at its periphery. Each layer of material (skin, foam and substrate) has edges or a border around the periphery of the multilayer element 1. The step a) of manufacturing the multilayer element 1 comprises an operation for joining the edges of the skin 4 with the edges of the substrate 5, providing a layer of foam 3 encapsulated by the skin 4 and the substrate 5.
L'élément multicouche 1 présente alors une ligne de jonction 6 ou reliure. Cette ligne de jonction 6 est avantageusement fine, c'est-à-dire inférieure à 2 mm, préférentiellement inférieure à 1 mm. Dans un mode de réalisation préféré de l'invention, l'opération de jonction 5 consiste en une opération de soudure. La ligne de jonction 6 est alors une ligne de soudure. Les matériaux composant la peau 4 et le substrat 5 sont compatibles pour permettre leur soudure. Ils peuvent être identiques ou différents. Ce sont avantageusement des polymères.The multilayer element 1 then has a junction line 6 or binding. This junction line 6 is advantageously thin, that is to say less than 2 mm, preferably less than 1 mm. In a preferred embodiment of the invention, the joining operation 5 consists of a welding operation. The junction line 6 is then a weld line. The materials making up the skin 4 and the substrate 5 are compatible to allow their welding. They can be the same or different. These are advantageously polymers.
10 Dans un autre mode de réalisation possible de l'invention, l'opération de jonction consiste en une opération de collage. La ligne de jonction 6 est alors une ligne de collage. La ligne de jonction 6 entoure entièrement l'élément multicouche 1. Le substrat 5 peut être plat ou avoir une forme quelconque.In another possible embodiment of the invention, the joining operation consists of a gluing operation. The junction line 6 is then a bond line. The junction line 6 completely surrounds the multilayer element 1. The substrate 5 may be flat or have any shape.
15 Le procédé de fabrication d'un ensemble de garniture comprend également une étape b) de positionnement de l'élément multicouche 1 dans une cavité de moule, et une étape c) d'injection d'un matériau fluide, destiné à former un insert 2, dans la cavité de moule, afin de surmouler l'élément multicouche 1 dans l'insert 2, 20 Lors de l'étape c), la ligne de jonction 6 est recouverte par le matériau fluide afin de masquer la ligne de jonction 6 par l'insert 2. Avantageusement, la ligne de jonction 6 est entièrement recouverte par le matériau fluide, tout autour de l'élément multicouche 1. On obtient un ensemble de garniture sans ligne de jonction visible, comme 25 représenté sur la figure 1. La figure 2 représente un panneau de porte comprenant cet ensemble de garniture. L'insert 2 est un insert de panneau de porte qui est directement surmoulé sur l'élément multicouche 1.The method of manufacturing a packing assembly also comprises a step b) of positioning the multilayer element 1 in a mold cavity, and a step c) of injecting a fluid material, intended to form an insert 2, in the mold cavity, in order to overmold the multilayer element 1 in the insert 2, in step c), the junction line 6 is covered by the fluid material in order to mask the junction line 6 by the insert 2. Advantageously, the junction line 6 is entirely covered by the fluid material, all around the multilayer element 1. A lining assembly is obtained without a visible junction line, as shown in FIG. Figure 2 shows a door panel comprising this trim assembly. The insert 2 is a door panel insert which is directly overmolded on the multilayer element 1.
30 Ainsi, le procédé selon l'invention permet de moins consommer de matière et d'obtenir un ensemble de garniture sans tranche matière visible, améliorant l'effet visuel et décoratif de l'ensemble de garniture. Ce procédé est plus simple et fait intervenir moins détapes. Il est plus économique. Thus, the process according to the invention makes it possible to consume less material and to obtain a set of lining without a visible material wafer, improving the visual and decorative effect of the lining assembly. This process is simpler and involves fewer steps. It is more economical.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0857119A FR2937277B1 (en) | 2008-10-20 | 2008-10-20 | METHOD FOR MANUFACTURING A TRIM ASSEMBLY FOR THE INTERIOR OF A MOTOR VEHICLE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0857119A FR2937277B1 (en) | 2008-10-20 | 2008-10-20 | METHOD FOR MANUFACTURING A TRIM ASSEMBLY FOR THE INTERIOR OF A MOTOR VEHICLE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2937277A1 true FR2937277A1 (en) | 2010-04-23 |
| FR2937277B1 FR2937277B1 (en) | 2013-04-12 |
Family
ID=40765797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0857119A Expired - Fee Related FR2937277B1 (en) | 2008-10-20 | 2008-10-20 | METHOD FOR MANUFACTURING A TRIM ASSEMBLY FOR THE INTERIOR OF A MOTOR VEHICLE |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2937277B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150329066A1 (en) * | 2014-05-15 | 2015-11-19 | Honda Motor Co., Ltd. | Tailgate liner assembly and method for vehicle tailgate |
| US9278655B2 (en) | 2011-08-08 | 2016-03-08 | Faurecia Interior Systems, Inc. | Foldable substrates for motor vehicles and methods for making the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2724869A1 (en) * | 1994-09-22 | 1996-03-29 | Reydel Sa | METHOD FOR MANUFACTURING A PANEL OF MATERIAL COATED WITH AN ASPECT AREA, ESPECIALLY TEXTILE |
| EP0786380A1 (en) * | 1996-01-25 | 1997-07-30 | REYDEL Société Anonyme | Panel, especially for interior trims of vehicle doors with at least one locally aesthetic area |
| US6447706B1 (en) * | 1990-10-24 | 2002-09-10 | Lear Corporation | Method of producing stratiform articles and products |
| US20080107889A1 (en) * | 2005-03-17 | 2008-05-08 | Johnson Controls Technology Company | Vehicle Component and Method for Making a Vehicle Component |
-
2008
- 2008-10-20 FR FR0857119A patent/FR2937277B1/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6447706B1 (en) * | 1990-10-24 | 2002-09-10 | Lear Corporation | Method of producing stratiform articles and products |
| FR2724869A1 (en) * | 1994-09-22 | 1996-03-29 | Reydel Sa | METHOD FOR MANUFACTURING A PANEL OF MATERIAL COATED WITH AN ASPECT AREA, ESPECIALLY TEXTILE |
| EP0786380A1 (en) * | 1996-01-25 | 1997-07-30 | REYDEL Société Anonyme | Panel, especially for interior trims of vehicle doors with at least one locally aesthetic area |
| US20080107889A1 (en) * | 2005-03-17 | 2008-05-08 | Johnson Controls Technology Company | Vehicle Component and Method for Making a Vehicle Component |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9278655B2 (en) | 2011-08-08 | 2016-03-08 | Faurecia Interior Systems, Inc. | Foldable substrates for motor vehicles and methods for making the same |
| US20150329066A1 (en) * | 2014-05-15 | 2015-11-19 | Honda Motor Co., Ltd. | Tailgate liner assembly and method for vehicle tailgate |
| US9463685B2 (en) * | 2014-05-15 | 2016-10-11 | Honda Motor Co., Ltd. | Tailgate liner assembly and method for vehicle tailgate |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2937277B1 (en) | 2013-04-12 |
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