WO2021122047A1 - Couvercle de coussin de sécurité gonflable, module de coussin de sécurité gonflable comportant le couvercle de coussin de sécurité gonflable, véhicule comportant le module de coussin de sécurité gonflable et procédé de fabrication d'un couvercle de coussin de sécurité gonflable - Google Patents

Couvercle de coussin de sécurité gonflable, module de coussin de sécurité gonflable comportant le couvercle de coussin de sécurité gonflable, véhicule comportant le module de coussin de sécurité gonflable et procédé de fabrication d'un couvercle de coussin de sécurité gonflable Download PDF

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Publication number
WO2021122047A1
WO2021122047A1 PCT/EP2020/084553 EP2020084553W WO2021122047A1 WO 2021122047 A1 WO2021122047 A1 WO 2021122047A1 EP 2020084553 W EP2020084553 W EP 2020084553W WO 2021122047 A1 WO2021122047 A1 WO 2021122047A1
Authority
WO
WIPO (PCT)
Prior art keywords
airbag
cover
cover film
line
carrier device
Prior art date
Application number
PCT/EP2020/084553
Other languages
German (de)
English (en)
Inventor
Jürgen Maier
Original Assignee
Psa Automobiles Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Psa Automobiles Sa filed Critical Psa Automobiles Sa
Priority to EP20820371.1A priority Critical patent/EP4077064A1/fr
Publication of WO2021122047A1 publication Critical patent/WO2021122047A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/215—Arrangements 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
    • B60R21/2165—Arrangements 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 characterised by a tear line for defining a deployment opening
    • 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
    • B29C45/0081—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of objects with parts connected by a thin section, e.g. hinge, tear line
    • 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
    • B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
    • 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
    • B29C45/1418—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 the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C45/14221—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 the inserts being deformed or preformed, e.g. by the injection pressure by tools, e.g. cutting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B23K2103/42—Plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • 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
    • B29L2031/3038—Air bag covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/215—Arrangements 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
    • B60R21/2165—Arrangements 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 characterised by a tear line for defining a deployment opening
    • B60R21/21656—Steering wheel covers or similar cup-shaped covers

Definitions

  • the invention relates to an airbag cover for an airbag module of a vehicle with the features of claim 1 and an airbag module with the airbag cover.
  • the invention further relates to a vehicle with the airbag module and a method for producing an airbag cover for an airbag module of a vehicle.
  • An airbag cover is often designed as a plastic component, on the rear side of which a tear line is made, along which the airbag cover can tear open in the event of a collision with the vehicle in order to enable an airbag to be deployed to protect an occupant.
  • a visible side of the airbag cover is usually formed from a grained plastic material, which is not visually appealing. For this reason, options are being sought to make the visible side more valuable. It is already known to provide a decorative film for the airbag cover, in which an invisible line of weakness is introduced in order to enable it to be torn open.
  • the publication DE 10 055 546 C2 which probably forms the closest prior art, describes an airbag cover with weakening structures and a method for their production.
  • the airbag lining consists of a decorative film with weakening structures on the inside, the weakening structures not being visible on the outside.
  • the weakening lines are made with an embossing tool, e.g. a knife blade.
  • the invention is based on the object of providing a functional, visually appealing and easy-to-manufacture airbag cover.
  • This object is achieved by an airbag cover for an airbag module of a vehicle with the features of claim 1, by an airbag module with the airbag cover according to claim 8 Vehicle with the airbag module according to claim 10 and achieved by a method for producing an airbag cover for an airbag module of a vehicle with the features of claim 11.
  • Preferred or advantageous embodiments of the invention emerge from the subclaims of the following description and / or the attached figures.
  • An airbag cover for an airbag module of a vehicle is proposed.
  • the vehicle is a car or a truck.
  • the airbag module can be accommodated in a receiving space in an interior of the vehicle.
  • the airbag module can be integrated in a steering wheel, to protect a passenger of the vehicle in a dashboard or to protect the driver, the passenger and / or at least one other occupant in a ceiling, door or wall paneling.
  • the airbag cover preferably covers the airbag module when the airbag module is accommodated in the accommodation space of the interior equipment.
  • the interior is designed as the steering wheel or the dashboard, for example. It can also be designed as an instrument panel, as a door inside, roof inside or wall inside.
  • the airbag cover is designed as a lining component for lining the interior fittings.
  • the airbag cover can be arranged as the lining component between further lining components for lining the interior fittings.
  • the airbag cover comprises a carrier device.
  • the carrier device is preferably a plastic component.
  • the plastic component can, for example, comprise polyolefins, in particular polypropylene, or be formed from these.
  • a tear line is integrated into the carrier device. During and / or during a collision of the vehicle, the carrier device can tear open along the tear line and clear a path for an inflating airbag of the airbag module.
  • the carrier device and the tear line integrated therein are formed from an injection-molded base material.
  • the base material is, in particular, a granulate or a powder.
  • the granules or the powder preferably comprise plastic components or are formed from these.
  • the airbag cover comprises a cover sheet.
  • the cover film preferably covers the airbag cover.
  • the carrier device preferably carries the cover film.
  • Especially the cover film is a decorative film.
  • the decorative film preferably has a visually appealing, for example high-gloss, visible side.
  • a line of weakness is introduced into the cover film.
  • the line of weakness advantageously enables the airbag cover to be torn open in the event of a vehicle impact.
  • the line of weakness in the cover film preferably interacts with the tear line in the carrier device.
  • the cover film is back-injected with the base material.
  • the cover film is preferably materially connected to the carrier device injection-molded from the base material.
  • the carrier device can be injection-molded from the base material, the cover film being attached to the carrier device in the same manufacturing step.
  • the cover film is inserted into a tool of the injection molding machine and back-injected therein with the base material of the carrier device.
  • the airbag cover can be produced simply and inexpensively in the injection molding machine.
  • a secure, clean and visually appealing connection between the cover film and the carrier device can thereby be achieved.
  • the cover film is designed as a single layer.
  • the preferably single-layer cover film preferably has a rear side and a visible side.
  • the base material is preferably back-molded on the back of the cover film.
  • the rear side of the cover film is arranged on the carrier device and / or connected to the carrier device on the rear side. In particular, only the visible side of a vehicle interior is thus visible when the airbag cover covers the airbag module integrated in the interior of the vehicle.
  • the line of weakness is introduced into the rear side of the cover film.
  • the weakening line is a laser cut, needling, a milling line, a stamp line or a cutting line in the back of the cover film.
  • the line of weakness can be continuous and uninterrupted.
  • the line of weakness can be designed as a raster line.
  • the line of weakness is not visible on the visible side.
  • the line of weakness is in the back introduced that it cannot be seen from the visible side.
  • the cover film has a sufficient thickness that allows the line of weakness to be introduced into the rear side and at the same time not be recognizable on the visible side.
  • the weakening line has a depth which is a maximum of 50 percent of the thickness of the cover film, preferably a maximum of 75 percent of the thickness of the cover film.
  • the tear line integrated in the carrier device cannot be seen and / or invisible from the visible side of the cover film.
  • the thickness of the cover film is preferably selected so that the tear line does not leave an imprint on the visible side.
  • an airbag cover can be provided which has a visually appealing and high-quality visible side.
  • the cover film is arranged on the carrier device and / or back-injected with the base material in such a way that the weakening line is at least overlapping, preferably congruent with the tear line.
  • the airbag module comprises the airbag cover according to the previous description and / or according to one of claims 1 to 7.
  • the airbag module preferably has an airbag, the airbag being accommodated, for example, in a module housing of the airbag module.
  • the module housing of the airbag module is covered with the airbag cover.
  • the airbag module comprises at least one gas generator for releasing gas in the event of a collision with the vehicle.
  • the airbag is preferably filled with the gas in such a way that it expands like an explosion in the module housing, with the airbag cover along the tear line and the cover film along the Line of weakness are torn.
  • the airbag is designed as a driver airbag to protect the driver of the vehicle, as a passenger airbag to protect the passenger of the vehicle or as a side airbag to protect the driver, passenger and / or the at least one other occupant.
  • a vehicle with the airbag module according to the previous description and / or according to one of claims 8 or 9 forms a further subject matter of the invention.
  • Another object of the invention is a method for producing an airbag cover for an airbag module of a vehicle.
  • a cover sheet is provided as part of the process.
  • a line of weakness is introduced into the cover film.
  • the line of weakness is lasered, needled, milled or stamped into the cover film.
  • the line of weakness is introduced into the cover film with a drawn cold knife.
  • the cover film is placed in an injection molding machine, for example a plastic injection molding machine, and a base material is back-injected there.
  • a carrier device with an integrated tear line is formed from the base material.
  • the cover film preferably has a rear side and a visible side.
  • the base material is preferably back-injected onto the back of the cover film.
  • the line of weakness is introduced into the back of the cover film before the cover film is inserted into the injection molding machine.
  • the weakening line is introduced into the rear side, for example, with a processing tool that is separate from the injection molding machine.
  • the processing tool is a laser, a needle, a milling cutter, a stamp, or a so-called cold knife.
  • the weakening line is preferably introduced into the rear side in such a way that it is invisible on the visible side and / or that it cannot be seen on the visible side.
  • the cover film has a sufficient thickness so that the weakening line can be introduced on the rear side and is nevertheless not visible on the visible side.
  • the cover film has sufficient thickness for the tear line to be does not push the carrier device through the cover film and / or that the tear line of the carrier device is not visible on the visible side.
  • the cover film is made sufficiently strong that the tear line and the weakening line cannot be seen from the visible side.
  • a visually appealing airbag cover with a high-quality visible side without disruptive contours and unevenness can be provided.
  • the base material is back-injected into the cover film in such a way that the tear line runs at least overlapping, preferably congruently with the weakening line.
  • Figure 1 is a plan view from above of a carrier device
  • Airbag cover a tear line being made in the carrier device
  • FIG. 2 shows a perspective top view of a cover film of the airbag cover
  • Figure 3 is a longitudinal section through a detail of the airbag cover with the
  • FIGS. 4a-4d different process steps for producing the airbag cover.
  • FIG. 1 shows a plan view of an upper side of a carrier device 2 of an airbag cover 1 (FIG. 3) for an airbag module of a vehicle.
  • the airbag module comprises an airbag, which can be designed as a driver airbag, front passenger airbag or side airbag.
  • the airbag module can be integrated in an interior of the vehicle, for example in a steering wheel, a dashboard, an instrument panel or in a door, wall or ceiling paneling of the vehicle.
  • the Airbag cover 1 forms a trim part for covering the interior of the vehicle.
  • the carrier device 2 is designed as a plastic component, for example made of polyolefins. It has a substantially crest-shaped outer contour. In alternative exemplary embodiments, the carrier device can also have other outer contours. These are particularly dependent on the position and function of the airbag, the airbag module of which comprises the airbag cover 1 with the carrier device 2.
  • the carrier device 2 is formed from an injection-molded base material 3.
  • the base material 3 is a plastic granulate or a plastic powder which is processed, in particular melted, in a plastic injection molding machine 4 and from which the carrier device 2 can be injected.
  • the carrier device 2 has a tear line 5.
  • the tear line 5 is integrated into the carrier device 2 in a materially bonded manner.
  • the tear line 5 is correspondingly integrated during the injection molding of the carrier device 2.
  • the tear line 5 is arranged on an underside of the carrier device 2 and is designed as a taper in a base body 6 of the carrier device 2.
  • the carrier device 2 tears open along the tear line 5, so that the airbag can inflate in the direction of the driver, the front passenger or the at least one other occupant for protection.
  • FIG. 2 shows a perspective top view from above onto a visible side 9 of a cover film 8 of the airbag cover 1.
  • the cover sheet 8 is a single-layer sheet cut. It has the visible side 9 and a rear side 10.
  • the cover film 8 is designed as a decorative film, the visible side 9 being designed in a visually appealing manner.
  • the visible side 9 is, for example, high-gloss.
  • FIG. 3 shows a longitudinal section along the section line A-A through the carrier device 2 and through the cover film 8 fastened on the carrier device 2, which together form the airbag cover 1.
  • a line of weakness 11 is introduced into the cover film 8.
  • the line of weakness 11 is With a processing tool 12 (FIG. 4 a), for example with a laser, a stamp, a needle, a milling cutter or a so-called cold knife, introduced into the rear side 10 of the cover film 8.
  • the cover film 8 covers the carrier device 2, in particular the base body 6 formed by the base material 3.
  • the cover film 8 is arranged with the rear side 10 on the upper side of the carrier device 2.
  • the cover film 8 is back-molded with the base material 3, so that the cover film 8 is connected to the carrier device 2, in particular to the base body 6, in a materially bonded manner.
  • the cover film 8 is back-injected with the base material 3 in such a way that the weakening line 11 and the tear line 5 are arranged at the same height in the longitudinal section of FIG. 3 and are arranged congruently in a top view of the cover 1.
  • a tear-open function of the airbag cover 1 during and / or during the impact of the vehicle can be reliably ensured.
  • the cover film 8 has a thickness which enables the weakening line 11 to be invisible on the visible side 9.
  • the weakening line 11 has a depth which is a maximum of 50 percent of the thickness of the cover film 8, preferably a maximum of 75 percent of the thickness of the cover film 8.
  • the cover film 8 is also designed to be sufficiently strong that the tear line 5 cannot push through the cover film 8 and become visible on the visible side.
  • the cover film 8 is thus continuously smooth on the visible side 9, in particular without disruptive contours, which are caused in particular by the weakening line 11 or by the tear line 5.
  • FIGS. 4a to 4d Several method steps of a method for producing the airbag cover 2 are shown in FIGS. 4a to 4d.
  • the cover sheet 8 is provided with the rear side 10 facing up.
  • the line of weakness 11 is introduced into the rear side 10 of the cover film 8.
  • the weakening line 11 is introduced into the rear side 10 in such a way that its course corresponds to and / or follows the later course of the tear line 5 of the airbag cover 2 and that it cannot be seen on the visible side 9.
  • the line of weakness 11 is introduced with the machining tool 12 in such a way that it has a maximum depth of 50 percent, preferably 75 percent of the thickness of the cover sheet 8.
  • the cover film 8 provided with the line of weakness 11 is provided for back-injection molding with the base material 3 in the plastic injection molding machine 4.
  • the cover film 8 is placed in an open mold 13 of the plastic injection molding machine 4.
  • the base material 3 is provided as the granulate or powder and fed to a heating and injection device 14 of the plastic injection molding machine 4.
  • the base material 3 is heated and liquefied and injected into the now closed mold 13, so that the cover sheet 8 is back-injected with the base material 3 and at the same time the carrier device 2, in particular its base body 6, with the integrated tear line 6 through the Base material 3 is formed.
  • the molding tool is designed in such a way that the integrated tear line 6 is injected overlapping, preferably congruent, with the weakening line 11 in the cover film 8.
  • the cover film 8 is materially connected to the base body 6 during the back injection.
  • the carrier device 2 and the cover film 8 connected to it in a materially bonded manner form the airbag cover 1 which, after cooling, is ejected from the tool and removed from the plastic injection molding machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Air Bags (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un couvercle de coussin de sécurité gonflable (1) pour un module de coussin de sécurité gonflable d'un véhicule, ledit couvercle de coussin de sécurité gonflable (1) comprenant un dispositif de support (2), une ligne de déchirure (5) étant intégrée dans le dispositif de support (2), le long de laquelle le dispositif de support (2) peut se déchirer au moment d'un impact et/ou pendant un impact du véhicule et peut dégager la voie pour que le coussin de sécurité gonflable du module de coussin de sécurité gonflable se dilate. Le dispositif de support (2) avec la ligne de déchirure intégrée (5) est formé à partir d'un matériau de base moulé par injection (3), le couvercle de coussin de sécurité gonflable (1) comprend un film de couverture (8), une ligne d'affaiblissement (11) est introduite dans le film de couverture (8) et le film de couverture (8) est surmoulé avec le matériau de base (3).
PCT/EP2020/084553 2019-12-17 2020-12-03 Couvercle de coussin de sécurité gonflable, module de coussin de sécurité gonflable comportant le couvercle de coussin de sécurité gonflable, véhicule comportant le module de coussin de sécurité gonflable et procédé de fabrication d'un couvercle de coussin de sécurité gonflable WO2021122047A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20820371.1A EP4077064A1 (fr) 2019-12-17 2020-12-03 Couvercle de coussin de sécurité gonflable, module de coussin de sécurité gonflable comportant le couvercle de coussin de sécurité gonflable, véhicule comportant le module de coussin de sécurité gonflable et procédé de fabrication d'un couvercle de coussin de sécurité gonflable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019219787.6 2019-12-17
DE102019219787.6A DE102019219787A1 (de) 2019-12-17 2019-12-17 Airbagabdeckung, Airbagmodul mit der Airbagabdeckung, Fahrzeug mit dem Airbagmodul und Verfahren zur Herstellung einer Airbagabdeckung

Publications (1)

Publication Number Publication Date
WO2021122047A1 true WO2021122047A1 (fr) 2021-06-24

Family

ID=73740387

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/084553 WO2021122047A1 (fr) 2019-12-17 2020-12-03 Couvercle de coussin de sécurité gonflable, module de coussin de sécurité gonflable comportant le couvercle de coussin de sécurité gonflable, véhicule comportant le module de coussin de sécurité gonflable et procédé de fabrication d'un couvercle de coussin de sécurité gonflable

Country Status (3)

Country Link
EP (1) EP4077064A1 (fr)
DE (1) DE102019219787A1 (fr)
WO (1) WO2021122047A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023203711A1 (de) 2023-04-24 2024-10-24 Volkswagen Aktiengesellschaft Verfahren und Vorrichtung zum Herstellen eines Innenverkleidungsteils für ein Airbagmodul

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0586222A2 (fr) * 1992-08-31 1994-03-09 Plastic Mold Technology Incorporated Couvercle pour airbag
EP0741062A2 (fr) * 1995-05-03 1996-11-06 Eldra Kunststofftechnik Gmbh Recouvrement pour coussin gonflable et son procédé de fabrication
DE10055546C2 (de) 2000-03-10 2002-11-28 Aradex Ag Airbag-Verkleidung mit Schwächungsstrukturen sowie Verfahren zur Erzeugung der Schwächungsstrukturen
DE102007045304A1 (de) * 2006-10-02 2008-04-17 Toyoda Gosei Co., Ltd., Nishikasugai Airbagvorrichtung
US20140183845A1 (en) * 2012-12-27 2014-07-03 Faurecia Interieur Industrie Interior Trim Component for Motor Vehicle, Adapted for Covering an Airbag

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0586222A2 (fr) * 1992-08-31 1994-03-09 Plastic Mold Technology Incorporated Couvercle pour airbag
EP0741062A2 (fr) * 1995-05-03 1996-11-06 Eldra Kunststofftechnik Gmbh Recouvrement pour coussin gonflable et son procédé de fabrication
DE10055546C2 (de) 2000-03-10 2002-11-28 Aradex Ag Airbag-Verkleidung mit Schwächungsstrukturen sowie Verfahren zur Erzeugung der Schwächungsstrukturen
DE102007045304A1 (de) * 2006-10-02 2008-04-17 Toyoda Gosei Co., Ltd., Nishikasugai Airbagvorrichtung
US20140183845A1 (en) * 2012-12-27 2014-07-03 Faurecia Interieur Industrie Interior Trim Component for Motor Vehicle, Adapted for Covering an Airbag

Also Published As

Publication number Publication date
DE102019219787A1 (de) 2021-06-17
EP4077064A1 (fr) 2022-10-26

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