FR2902069A1 - Dashboard of an automobile vehicle, comprises a passage opening of inflatable bag, a substrate, a foam layer, and a skin, where the opening is formed on the substrate and closed by a metal shutter associated with the substrate - Google Patents

Dashboard of an automobile vehicle, comprises a passage opening of inflatable bag, a substrate, a foam layer, and a skin, where the opening is formed on the substrate and closed by a metal shutter associated with the substrate Download PDF

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Publication number
FR2902069A1
FR2902069A1 FR0605063A FR0605063A FR2902069A1 FR 2902069 A1 FR2902069 A1 FR 2902069A1 FR 0605063 A FR0605063 A FR 0605063A FR 0605063 A FR0605063 A FR 0605063A FR 2902069 A1 FR2902069 A1 FR 2902069A1
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France
Prior art keywords
substrate
opening
dashboard
reinforcing member
flap
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Granted
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FR0605063A
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French (fr)
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FR2902069B1 (en
Inventor
Magalie Barentin
Laurent Hachet
Francois Sellier
Francois Vaupre
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Faurecia Interieur Industrie SAS
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Faurecia Interieur Industrie SAS
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Priority to FR0605063A priority Critical patent/FR2902069B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/215Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member

Abstract

The dashboard of an automobile vehicle, comprises a passage opening (16) of inflatable bag, a substrate (10), a foam layer (12), and a skin (14). The opening is formed on the substrate, and closed by a metal shutter (20) associated with the substrate. The substrate is formed by a first plastic material, which is fragile at low temperatures. A reinforcement body such as welding is continuously fixed to a periphery of the opening and formed by a second plastic material, which is ductile at low temperatures, and comprises a firing channel of the inflatable bag. The dashboard of an automobile vehicle, comprises a passage opening (16) of inflatable bag, a substrate (10), a foam layer (12), and a skin (14). The opening is formed on the substrate, and closed by a metal shutter (20) associated with the substrate. The substrate is formed by a first plastic material, which is fragile at low temperatures. A reinforcement body such as welding is continuously fixed to a periphery of the opening and formed by a second plastic material, which is ductile at low temperatures, and comprises a firing channel of the inflatable bag. The shutter comprises a barrier and a framework. The barrier is intended to revolve on an edge of the framework. A space rests between the remaining edge of the framework and the barrier. The barrier has a dimension higher than that of the opening, and is held on the substrate with interposition of a seal band. A part of fixation is formed to a substrate surface opposed to the reinforcement body and adjacent to the foam layer. The seal band is disposed between a flange of the reinforcement body and the shutter.

Description

La présente invention concerne une planche de bord de véhicule automobileThe present invention relates to a dashboard of a motor vehicle

ayant une ouverture de passage de sac gonflable. Les planches de bord qui comprennent une couche de mousse et une peau disposées sur un substrat pratiquement rigide, sont souvent munies d'un sac gonflable. A cet effet, le substrat a une ouverture destinée au passage de ce sac gonflable. Pour que la planche de bord puisse être fabriquée par moussage en moule fermé, il faut que l'ouverture soit fermée par un volet, et celui-ci doit dégager l'ouverture lors du fonctionnement du sac gonflable. On a constaté que, aux basses températures, par exemple lorsqu'un véhicule est resté toute une nuit dans la bise en plein hiver, la matière plastique du substrat de la planche de bord et celle du volet, lorsqu'il est formé de matière plastique, pouvaient être fragilisées. En conséquence, si le sac gonflable est déclenché dans ces conditions, il chasse le volet qui, au contact du pare-brise, peut se briser en formant des morceaux qui peuvent présenter un danger pour les passagers. En outre, comme le sac gonflable est habituellement guidé par un canal de tir vers l'ouverture de la planche de bord, il peut aussi appliquer des forces localisées au substrat de la planche de bord qui est aussi fragilisé. La planche de bord peut donc aussi se briser à proximité de l'ouverture, notamment à des emplacements d'amorce de rupture formés par exemple par des fixations localisées du canal de tir, et les morceaux arrachés peuvent aussi présenter un danger pour les passagers. Le problème de la fragilisation du volet est facilement résolu par utilisation d'un volet de matière métallique qui reste ductile aux basses températures. Cependant, cette solution ne convient pas au substrat de la planche de bord. Par exemple, il est fréquent que ce substrat soit formé d'un copolymère de styrène et d'anhydride maléique qui devient fragile aux plus basses températures auxquelles peut être normalement soumise la planche de bord d'un véhicule automobile, surtout dans les pays froids.  having an airbag passage opening. Dashboards that include a layer of foam and a skin disposed on a substantially rigid substrate are often provided with an air bag. For this purpose, the substrate has an opening for the passage of this inflatable bag. In order for the dashboard to be manufactured by closed-mold foaming, the opening must be closed by a flap, and this must release the opening during operation of the air bag. It has been found that at low temperatures, for example when a vehicle has been left overnight in the bise in the middle of winter, the plastic material of the dashboard substrate and the plastic part of the shutter when formed of plastic , could be weakened. Consequently, if the air bag is triggered under these conditions, it flushes the shutter which, in contact with the windshield, can break forming pieces that may present a danger to the passengers. In addition, since the air bag is usually guided by a firing channel towards the opening of the dashboard, it can also apply localized forces to the dashboard substrate which is also weakened. The dashboard may also be broken near the opening, in particular at breakout locations formed for example by localized fixings of the firing channel, and torn pieces may also present a danger to passengers. The problem of the embrittlement of the flap is easily solved by using a flap of metallic material which remains ductile at low temperatures. However, this solution is not suitable for the substrate of the dashboard. For example, it is common that this substrate is formed of a copolymer of styrene and maleic anhydride which becomes brittle at the lowest temperatures that can normally be subjected to the dashboard of a motor vehicle, especially in cold countries.

On pourrait envisager, pour résoudre le problème de la fragilisation, d'utiliser une matière plastique qui n'est pas fragile aux plus basses températures auxquelles la planche de bord peut être soumise. Cependant, une matière plastique non fragile, ayant toutes les propriétés nécessaires au substrat, est plus coûteuse que les matières plastiques habituellement utilisées. Le document US-2004/164 531 décrit une planche de bord ayant une ouverture formée dans un substrat et entourée d'une goulotte formant canal de tir, la goulotte étant soudée par vibration au matériau du substrat. Ce document n'indique rien sur les propriétés des matières plastiques ou de la matière plastique unique qui sont utilisées d'une part pour le substrat et d'autre part pour la goulotte. Ce document n'envisage pas le problème de la fragilisation du substrat aux basses températures. L'invention concerne la solution du problème posé par la fragilisation du volet et/ou du substrat, par utilisation d'un volet métallique, et par répartition des forces appliquées par un sac gonflable qui se déploie à l'aide d'un organe de renforcement, tel qu'un canal de tir, afin que le substrat ne subisse pas de forces localisées pouvant provoquer une amorce de rupture ; ainsi le substrat ne se brise pas même aux basses températures.  In order to solve the problem of embrittlement, it would be possible to use a plastic material that is not fragile at the lower temperatures to which the dashboard can be subjected. However, a non-brittle plastic having all the properties necessary for the substrate is more expensive than the plastics normally used. US-2004/164 531 discloses a dashboard having an opening formed in a substrate and surrounded by a channel forming a firing channel, the chute being vibrated welded to the substrate material. This document does not indicate anything about the properties of the plastics or the single plastic which are used on the one hand for the substrate and on the other hand for the chute. This document does not envisage the problem of embrittlement of the substrate at low temperatures. The invention concerns the solution of the problem posed by embrittlement of the flap and / or the substrate, by using a metal flap, and by distribution of the forces applied by an inflatable bag which deploys with the aid of a reinforcement, such as a firing channel, so that the substrate does not undergo localized forces that can cause a rupture initiation; thus the substrate does not break even at low temperatures.

Plus précisément, l'invention concerne une planche de bord ayant une ouverture de passage de sac gonflable, la partie de planche de bord ayant l'ouverture étant du type qui comprend, sur un substrat, une couche de mousse et une peau apparente, l'ouverture formée dans le substrat étant normalement fermée par un volet qui est associé au substrat avec lequel il forme une surface continue, le substrat étant formé d'une première matière plastique qui est fragile aux plus basses températures auxquelles est normalement soumise la planche de bord. Selon l'invention, le volet est métal- lique, un organe de renforcement est formé autour de l'ouverture du substrat du côté opposé à la couche de mousse, l'organe de renforcement est formé d'une seconde matière plastique qui est ductile aux plus basses températures auxquelles est normalement soumise la planche de bord, et l'organe de renforcement est fixé au substrat à proximité de l'ouverture de celui-ci. De préférence, l'organe de renforcement constitue un 5 canal de tir de sac gonflable. De préférence, le volet comprend un portillon destiné à pivoter à un bord par rapport à un bord de l'ouverture. Par exemple, le volet comprend un portillon et un cadre, le portillon étant destiné à pivoter à un bord du cadre, et un 10 espace reste entre les autres bords du cadre et le portillon. De préférence, le portillon a des dimensions supérieures à celles de l'ouverture et il est tenu sur le substrat avec interposition d'une bande de mousse d'étan- 15 chéité. De préférence, l'organe de renforcement est fixé de façon continue à toute la périphérie de l'ouverture. La fixation de l'organe de renforcement est avantageusement un soudage. 20 Dans un mode de réalisation, la partie de fixation de l'organe de renforcement au substrat est formée à la surface du substrat opposée à celle qui est adjacente à la couche de mousse, et la bande d'étanchéité est disposée entre le substrat et le volet. 25 Dans un autre mode de réalisation, la partie de fixation de l'organe de renforcement au substrat est formée à la surface du substrat qui est adjacente à la couche de mousse, et la bande d'étanchéité est disposée entre un flasque de l'organe de renforcement et le volet. 30 Dans un exemple, la première matière plastique du substrat est un copolymère de styrène et d'anhydride maléique. D'autres caractéristiques et avantages de l'invention seront mieux compris à la lecture de la description qui va suivre, faite en référence au dessin annexé sur lequel : 35 la figure 1 est une coupe schématique d'une planche de bord réalisée selon l'invention ; et la figure 2 est une coupe analogue à la figure 1 d'une variante du mode de réalisation de la figure 1.  More specifically, the invention relates to a dashboard having an airbag passage opening, the dashboard portion having the aperture being of the type which comprises, on a substrate, a foam layer and an exposed skin, opening formed in the substrate being normally closed by a flap which is associated with the substrate with which it forms a continuous surface, the substrate being formed of a first plastic material which is brittle at the lowest temperatures to which the dashboard is normally subjected . According to the invention, the shutter is metal, a reinforcing member is formed around the opening of the substrate on the opposite side to the foam layer, the reinforcing member is formed of a second plastic material which is ductile at the lower temperatures to which the dashboard is normally subjected, and the reinforcing member is attached to the substrate near the opening thereof. Preferably, the reinforcing member constitutes an airbag fire channel. Preferably, the flap comprises a gate for pivoting at an edge with respect to an edge of the opening. For example, the flap comprises a door and a frame, the door being intended to pivot at one edge of the frame, and a space remains between the other edges of the frame and the gate. Preferably, the gate has dimensions greater than those of the opening and is held on the substrate with the interposition of a sealing foam strip. Preferably, the reinforcing member is fixed continuously to the entire periphery of the opening. Fixing the reinforcing member is advantageously a welding. In one embodiment, the attachment portion of the reinforcing member to the substrate is formed on the surface of the substrate opposite to that adjacent to the foam layer, and the sealing strip is disposed between the substrate and the blind. In another embodiment, the attachment portion of the reinforcing member to the substrate is formed on the surface of the substrate which is adjacent to the foam layer, and the sealing strip is disposed between a flange of the reinforcement organ and shutter. In one example, the first plastic of the substrate is a copolymer of styrene and maleic anhydride. Other features and advantages of the invention will be better understood on reading the description which follows, given with reference to the appended drawing in which: FIG. 1 is a diagrammatic section of a dashboard made according to FIG. invention; and FIG. 2 is a section similar to FIG. 1 of a variant of the embodiment of FIG. 1.

La figure 1 représente sous forme agrandie une coupe d'une partie de planche de bord proche d'un bord d'une ouverture 16 de passage d'un sac gonflable. Plus précisé-ment, la planche de bord comporte un substrat 10 d'une première matière plastique, par exemple d'un copolymère de styrène et d'anhydride maléique. Le substrat 10 porte une couche de mousse 12 qui porte elle-même une peau apparente 14, par exemple formée d'une polyoléfine par rotomoulage. L'ouverture 16 est fermée par un volet 20, afin que la couche de mousse 12 puisse être réalisée entre le substrat 10 et la peau 14. Ce volet 20 comporte un cadre 22 et un portillon 24 séparés l'un de l'autre par une fente 26. Cette fente 26 a, en plan, une forme en U, et le portillon 24 peut pivoter au bord correspondant à l'ouverture du U pour dégager l'ouverture 16 en arrachant la couche de mousse 12 et la peau 14. Le volet 20 doit fermer complètement l'ouverture 16 du substrat 10 avant la fabrication de la planche de bord, car un mélange fluide destiné à former la couche de mousse 12 est introduit entre le substrat 10 et la peau 12. Pour la fermeture étanche de l'ouverture 16, le volet 20 est main-tenu à toute la périphérie de l'ouverture 16, ou au moins aux côtés ayant la fente, contre une bande 28 d'étanchéité formée de mousse et collée au substrat.  Figure 1 shows in enlarged form a section of a dashboard portion near an edge of an opening 16 for passage of an airbag. More specifically, the dashboard comprises a substrate 10 of a first plastic material, for example a copolymer of styrene and maleic anhydride. The substrate 10 carries a layer of foam 12 which itself bears an apparent skin 14, for example formed of a polyolefin by rotational molding. The opening 16 is closed by a flap 20, so that the foam layer 12 can be made between the substrate 10 and the skin 14. This flap 20 comprises a frame 22 and a gate 24 separated from each other by a slot 26. This slot 26 has, in plan, a U-shape, and the gate 24 can pivot at the edge corresponding to the opening of the U to clear the opening 16 by tearing the layer of foam 12 and the skin 14. The flap 20 must completely close the opening 16 of the substrate 10 before the manufacture of the dashboard, since a fluid mixture for forming the foam layer 12 is introduced between the substrate 10 and the skin 12. For the sealing of the opening 16, the flap 20 is hand-held to the entire periphery of the opening 16, or at least the sides having the slot against a sealing strip 28 formed of foam and bonded to the substrate.

Lorsqu'un sac gonflable se déploie et vient exercer une force sur le volet 20, le substrat 10, à proximité de l'ouverture 16, peut être soumis à des forces localisées. Si la matière plastique constituant le substrat 10 est fragile, par exemple aux basses températures, de telles forces localisées peuvent créer des amorces de rupture, puis la formation de morceaux du substrat 10 qui peuvent être projetés vers les passagers. Selon l'invention, cette possibilité de projection est supprimée. A cet effet, l'invention met en oeuvre un renforcement du substrat 10 de la planche de bord au seul endroit de la planche de bord auquel des forces localisées peuvent créer des amorces de rupture, de manière que ces amorces de rupture soient totalement supprimées.  When an air bag deploys and exerts a force on the flap 20, the substrate 10, close to the opening 16, may be subjected to localized forces. If the plastic material constituting the substrate 10 is brittle, for example at low temperatures, such localized forces can create break primers, then the formation of pieces of the substrate 10 that can be projected to the passengers. According to the invention, this possibility of projection is suppressed. For this purpose, the invention implements a reinforcement of the dashboard substrate 10 at the only point on the dashboard at which localized forces can create break primers, so that these breakaway primers are completely removed.

Ainsi, selon l'invention, un organe de renforcement, tel que le canal de tir 18, est formé d'une matière plastique qui reste ductile et n'est pas fragile aux plus basses températures auxquelles peut être soumise la planche de bord, et qui est fixée au substrat 10 autour de son ouverture 16, de manière que le substrat 10 ne subisse pas de forces localisées pouvant provoquer des amorces de rupture, ou ne subisse de telles forces qu'à des endroits où il est suffisamment renforcé par la matière plastique non fragile de l'organe de renforcement. Dans le mode de réalisation de la figure 1, l'organe de renforcement 18, formant canal de tir, possède un flasque 19 qui est soudé au substrat 10 dans une zone 30, tout autour de l'ouverture 16, de préférence de façon continue.  Thus, according to the invention, a reinforcing member, such as the firing channel 18, is formed of a plastic material which remains ductile and is not fragile at the lower temperatures to which the dashboard can be subjected, and which is attached to the substrate 10 around its opening 16, so that the substrate 10 does not undergo localized forces that can cause break primers, or undergo such forces only in places where it is sufficiently reinforced by the material non-brittle plastic of the reinforcing member. In the embodiment of Figure 1, the reinforcing member 18, forming a firing channel, has a flange 19 which is welded to the substrate 10 in a zone 30, all around the opening 16, preferably continuously .

Sur toute l'étendue de la zone soudée 30, le substrat 10 est renforcé et résiste donc aux forces qui lui sont appliquées. L'organe de renforcement 18 répartit donc par son flasque 19 et par la partie soudée 30 les forces exercées par le sac gonflable sur une large surface du substrat 10 sur laquelle celui-ci est renforcé. Dans la variante de la figure 2, un canal de tir 18' est soudé au substrat 10 dans une zone 30'. Le flasque 19' de l'organe de renforcement 18' est cette fois placé à l'intérieur du substrat 10, si bien que le volet 20 a son cadre 22 et son portillon 24 fixés par la bande d'étanchéité 28 au flasque 19' de l'organe de renforcement 18' et non directement au substrat 10. Bien qu'on ait représenté la coopération du flasque 19, 19' de l'organe de renforcement formant canal de tir 18, 18' avec le substrat 10 par une surface soudée étendue continue 30, 30', d'autres coopérations que le soudage peuvent être envisagées. Par exemple, dans la variante de la figure 2, le flasque 19' de l'organe de renforcement 18' peut être sim- pleurent appliqué contre la face interne du substrat 10 et une autre pièce antagoniste placée à l'extérieur peut avoir un flasque qui vient serrer le substrat 10 du côté opposé au flasque 19' de l'organe de renforcement 18'. De cette manière, tout le bord de l'ouverture peut être serré, par exemple mécaniquement, entre deux flasques ductiles aux basses températures. Ce mode de réalisation n'est cependant pas préférable au précédent, car il est nécessaire d'obtenir un contact aussi continu que possible pour éviter l'application de forces localisées et assurer une bonne répartition des forces appliquées lors du déploiement d'un sac gonflable. Le soudage de l'organe de renforcement sur le substrat 10 peut être un soudage par vibration, qui est bien connu dans la technique. D'autres techniques de soudage sont envisageables, de même qu'un simple collage, lorsque les deux matières plastiques sont de natures différentes et ne peuvent pas être facilement soudées.  Throughout the welded zone 30, the substrate 10 is reinforced and therefore withstands the forces applied to it. The reinforcing member 18 therefore distributes by its flange 19 and the welded portion 30 the forces exerted by the airbag on a large surface of the substrate 10 on which it is reinforced. In the variant of Figure 2, a firing channel 18 'is welded to the substrate 10 in a zone 30'. The flange 19 'of the reinforcing member 18' is this time placed inside the substrate 10, so that the flap 20 has its frame 22 and its gate 24 fixed by the sealing strip 28 to the flange 19 ' of the reinforcing member 18 'and not directly to the substrate 10. Although there has been shown the cooperation of the flange 19, 19' of the reinforcing means forming a firing channel 18, 18 'with the substrate 10 by a surface continuous expanded weld 30, 30 ', other cooperations than welding can be envisaged. For example, in the variant of FIG. 2, the flange 19 'of the reinforcing member 18' may be simply applied against the inner face of the substrate 10 and another counter-piece placed on the outside may have a flange which clamps the substrate 10 on the opposite side to the flange 19 'of the reinforcing member 18'. In this way, the entire edge of the opening can be clamped, for example mechanically, between two ductile flanges at low temperatures. This embodiment is however not preferable to the previous one, since it is necessary to obtain as continuous contact as possible in order to avoid the application of localized forces and to ensure a good distribution of the forces applied during the deployment of an airbag. . The welding of the reinforcing member on the substrate 10 may be vibration welding, which is well known in the art. Other welding techniques are possible, as well as a simple bonding, when the two plastics are of different natures and can not be easily welded.

Ainsi, la caractéristique principale de l'invention est le fait que les deux parties qui sont fragiles aux basses températures, c'est-à-dire le volet et le substrat, sont l'une formée d'un métal (le volet) et l'autre renforcée par un organe de renforcement d'une matière plastique qui reste ductile aux plus basses températures auxquelles peut être soumise la planche de bord, cet organe étant avantageusement, mais non obligatoirement, le canal de tir qui guide le sac gonflable lors de son déploiement.  Thus, the main feature of the invention is the fact that the two parts which are fragile at low temperatures, that is to say the shutter and the substrate, are one formed of a metal (the shutter) and the other reinforced by a reinforcing member of a plastic material which remains ductile at the lowest temperatures to which the dashboard may be subjected, this member being advantageously, but not necessarily, the firing channel which guides the airbag during its deployment.

Claims (10)

REVENDICATIONS 1. Planche de bord ayant une ouverture (16) de passage de sac gonflable, la partie de planche de bord ayant l'ouverture étant du type qui comprend, sur un substrat (10), une couche de mousse (12) et une peau apparente (14), l'ouverture (16) formée dans le substrat étant normalement fermée par un volet (20) qui est associé au substrat (10) avec lequel il forme une surface continue, le substrat (10) étant formé d'une première matière plastique qui est fragile aux plus basses températures auxquelles est normalement soumise la planche de bord, caractérisée en ce que le volet (20) est métallique, un organe (18, 18') de renforcement est formé autour de l'ouverture (16) du substrat du côté opposé à la couche de mousse (12), l'organe de renforcement (18, 18') est formé d'une seconde matière plastique qui est ductile aux plus basses températures auxquelles est normale-ment soumise la planche de bord, et l'organe de renforcement (18, 18') est fixé au substrat à proximité de l'ouverture (16) de celui-ci.  A dashboard having an airbag passage opening (16), the dashboard portion having the aperture being of the type which comprises, on a substrate (10), a layer of foam (12) and a skin apparent (14), the opening (16) formed in the substrate being normally closed by a flap (20) which is associated with the substrate (10) with which it forms a continuous surface, the substrate (10) being formed of a first plastic material which is fragile at the lower temperatures normally experienced by the dashboard, characterized in that the flap (20) is metallic, a reinforcing member (18, 18 ') is formed around the opening (16) of the substrate on the opposite side to the foam layer (12), the reinforcing member (18, 18 ') is formed of a second plastics material which is ductile at the lower temperatures to which the board is normally subjected. edge, and the reinforcing member (18, 18 ') is attached to the substrate in the vicinity of the opening (16) thereof. 2. Planche de bord selon la revendication 1, caractérisée en ce que l'organe de renforcement (18, 18') constitue un canal de tir de sac gonflable.  2. Dashboard according to claim 1, characterized in that the reinforcing member (18, 18 ') constitutes an airbag fire channel. 3. Planche de bord selon l'une des revendications 1 et 2, caractérisée en ce que le volet (20) comprend un portillon (24) destiné à pivoter à un bord par rapport à un bord de l'ouverture (16).  3. Dashboard according to one of claims 1 and 2, characterized in that the flap (20) comprises a gate (24) for pivoting at an edge relative to an edge of the opening (16). 4. Planche de bord selon la revendication 3, caractérisée en ce que le volet (20) comprend un portillon (24) et un cadre (22), le portillon (24) étant destiné à pivoter à un bord du cadre (22), et un espace reste entre les autres bords du cadre (22) et le portillon (24).  4. Dashboard according to claim 3, characterized in that the flap (20) comprises a gate (24) and a frame (22), the gate (24) being intended to pivot at an edge of the frame (22), and a space remains between the other edges of the frame (22) and the gate (24). 5. Planche de bord selon l'une des revendications 3 et 4, caractérisée en ce que le portillon (24) a des dimensions supérieures à celles de l'ouverture (16) et il est tenu sur le substrat (10) avec interposition d'une bande de mousse d'étanchéité (28).  5. Dashboard according to one of claims 3 and 4, characterized in that the gate (24) has dimensions greater than those of the opening (16) and is held on the substrate (10) with interposition d a sealing foam strip (28). 6. Planche de bord selon l'une quelconque des revendications précédentes, caractérisée en ce que l'organe derenforcement (18, 18') est fixé de façon continue à toute la périphérie de l'ouverture (16).  6. Dashboard according to any one of the preceding claims, characterized in that the reinforcing member (18, 18 ') is fixed continuously to the entire periphery of the opening (16). 7. Planche de bord selon l'une quelconque des revendications précédentes, caractérisée en ce que la fixation de l'organe de renforcement (18, 18') est un soudage.  7. Dashboard according to any one of the preceding claims, characterized in that the fixing of the reinforcing member (18, 18 ') is a welding. 8. Planche de bord selon l'une quelconque des revendications 1 à 7, caractérisée en ce que la partie de fixation de l'organe de renforcement (18, 18') au substrat (10) est formée à la surface du substrat opposée à celle qui est adjacente à la couche de mousse (12), et la bande d'étanchéité (28) est disposée entre le substrat (10) et le volet (20).  8. Dashboard according to any one of claims 1 to 7, characterized in that the fixing portion of the reinforcing member (18, 18 ') to the substrate (10) is formed on the surface of the substrate opposite to that which is adjacent to the foam layer (12), and the sealing strip (28) is disposed between the substrate (10) and the flap (20). 9. Planche de bord selon l'une quelconque des revendications 1 à 7, caractérisée en ce que la partie de fixation de l'organe de renforcement (18, 18') au substrat (10) est formée à la surface du substrat qui est adjacente à la couche de mousse (12), et la bande d'étanchéité (28) est disposée entre un flasque (19') de l'organe de renforcement (18') et le volet (20).  9. Dashboard according to any one of claims 1 to 7, characterized in that the fixing portion of the reinforcing member (18, 18 ') to the substrate (10) is formed on the surface of the substrate which is adjacent to the foam layer (12), and the sealing strip (28) is disposed between a flange (19 ') of the reinforcing member (18') and the flap (20). 10. Planche de bord selon l'une quelconque des revendications précédentes, caractérisée en ce que la première matière plastique du substrat (10) est un copolymère de styrène et d'anhydride maléique.  10. Dashboard according to any one of the preceding claims, characterized in that the first plastic material of the substrate (10) is a copolymer of styrene and maleic anhydride.
FR0605063A 2006-06-07 2006-06-07 DASHBOARD WITH INFLATABLE BAG RESISTANT TO LOW TEMPERATURES Expired - Fee Related FR2902069B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008011697A1 (en) * 2008-02-28 2009-09-03 Volkswagen Ag Airbag arrangement for installing in dashboard of vehicle i.e. motor vehicle, has retaining section provided in chute channel and comprising connection element that is connected to dash board support
FR3015394A1 (en) * 2013-12-19 2015-06-26 Faurecia Interieur Ind METHOD FOR MANUFACTURING A VEHICLE SAFETY SYSTEM

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004067334A1 (en) * 2003-01-29 2004-08-12 Faurecia Innenraum Systeme Gmbh Interior trimming piece
US20040164531A1 (en) * 2003-02-24 2004-08-26 Riha Keith A. Pre-weakening of fabric covered airbag doors
FR2863572A1 (en) * 2003-12-15 2005-06-17 Faurecia Interieur Ind Dashboard assembly for use in motor vehicle, has hinge unit connecting reinforcement flap with guiding unit and/or dashboard part, where guiding unit has flat-face cowl isolating hinge unit from guiding channel of guiding unit
US20060131844A1 (en) * 2004-12-16 2006-06-22 Lisandro Trevino Airbag assembly for improving force distribution

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004067334A1 (en) * 2003-01-29 2004-08-12 Faurecia Innenraum Systeme Gmbh Interior trimming piece
US20040164531A1 (en) * 2003-02-24 2004-08-26 Riha Keith A. Pre-weakening of fabric covered airbag doors
FR2863572A1 (en) * 2003-12-15 2005-06-17 Faurecia Interieur Ind Dashboard assembly for use in motor vehicle, has hinge unit connecting reinforcement flap with guiding unit and/or dashboard part, where guiding unit has flat-face cowl isolating hinge unit from guiding channel of guiding unit
US20060131844A1 (en) * 2004-12-16 2006-06-22 Lisandro Trevino Airbag assembly for improving force distribution

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008011697A1 (en) * 2008-02-28 2009-09-03 Volkswagen Ag Airbag arrangement for installing in dashboard of vehicle i.e. motor vehicle, has retaining section provided in chute channel and comprising connection element that is connected to dash board support
FR3015394A1 (en) * 2013-12-19 2015-06-26 Faurecia Interieur Ind METHOD FOR MANUFACTURING A VEHICLE SAFETY SYSTEM

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