US20140110921A1 - Vehicle interior panel and vehicle airbag device - Google Patents

Vehicle interior panel and vehicle airbag device Download PDF

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Publication number
US20140110921A1
US20140110921A1 US14/053,784 US201314053784A US2014110921A1 US 20140110921 A1 US20140110921 A1 US 20140110921A1 US 201314053784 A US201314053784 A US 201314053784A US 2014110921 A1 US2014110921 A1 US 2014110921A1
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US
United States
Prior art keywords
covering
layer
base
tensile strength
cleaved
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.)
Abandoned
Application number
US14/053,784
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English (en)
Inventor
Kenji Takahashi
Chiharu Totani
Takeshi Nagata
Junichi Fujita
Minoru Toda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyoda Gosei Co Ltd
Original Assignee
Toyoda Gosei Co Ltd
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 Toyoda Gosei Co Ltd filed Critical Toyoda Gosei Co Ltd
Assigned to TOYODA GOSEI CO., LTD. reassignment TOYODA GOSEI CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FUJITA, JUNICHI, TODA, MINORU, TOTANI, CHIHARU, NAGATA, TAKESHI, TAKAHASHI, KENJI
Publication of US20140110921A1 publication Critical patent/US20140110921A1/en
Priority to US14/966,191 priority Critical patent/US9821748B2/en
Abandoned legal-status Critical Current

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    • 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
    • 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
    • B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards

Definitions

  • the present invention relates to a vehicle interior panel and a vehicle airbag device.
  • Japanese Laid-Open Patent Publication No. 2000-71926 discloses an airbag device that includes an instrument panel and an airbag module located on the back of the instrument panel.
  • the airbag module includes an inflator, which generates inflation gas, and an airbag, which is inflated and deployed by the gas supplied by the inflator.
  • the instrument panel has a base and a covering bonded to the surface of the base.
  • a cleavage groove is formed on the back of the base. When the base is cleaved by inflation pressure of the airbag, the cleavage groove serves as a starting point of the cleavage.
  • a cleavage groove is also formed on the back of a covering at a position corresponding to the cleavage groove of the base.
  • An instrument panel that has such a covering allows the covering to be broken in a desirable manner along the cleavage groove of the covering when the base is cleaved.
  • the cleavage groove of a covering is formed, for example, by the laser machining.
  • a covering may be made thinner to reduce the strength, so that the covering can be easily cleaved without any cleavage groove. In this case, however, the insufficient strength of the covering may degrade the durability of the instrument panel and the tactile sensation.
  • a vehicle interior panel that is configured to be cleaved by an inflation pressure of an airbag.
  • the panel includes a base and a covering bonded to a surface of the base.
  • the base has a back.
  • a cleavage groove is formed on the back of the base.
  • the cleavage groove serves as a starting point of the cleavage.
  • the covering is formed of an original fabric in which the tensile strength in directions along its surface is anisotropic.
  • the cleavage groove includes a first groove section that is first cleaved when the cleavage groove is cleaved.
  • the covering is bonded to the base such that a direction of the smallest tensile strength of the covering matches with a direction perpendicular to a direction in which the first groove section extends.
  • the tensile strength of the covering is set to be the smallest along a line perpendicular to the direction in which the first groove section, which is designed to be cleaved first in the cleavage groove, extends. This allows the corresponding part of the covering to be easily broken by the inflation pressure of the airbag.
  • the tensile strength of the covering in directions other than the direction perpendicular to the extending direction of the first groove section, which is designed to be cleaved first in the cleavage groove, is relatively high so that the strength of the covering is maintained at a desirable level.
  • FIG. 1 is a cross-sectional view of an instrument panel according to a first embodiment, illustrating the cross-sectional structure of a part forming an airbag device for a front passenger seat;
  • FIG. 2 is an enlarged cross-sectional view illustrating region X of FIG. 1 ;
  • FIG. 3 is diagram showing the anisotropy of the tensile strength in lines along a plane of an original fabric of a ground fabric layer;
  • FIG. 4 is a plan view showing the relationship between the cleavage groove of the instrument panel and the tensile strength of the ground fabric layer in the first embodiment
  • FIG. 5 is a cross-sectional view of an instrument panel according to a second embodiment, showing a part that corresponds to FIG. 2 ;
  • FIG. 6 is diagram showing the anisotropy of the tensile strength in lines along a plane of an original fabric of a backing layer
  • FIG. 7 is a cross-sectional view of an instrument panel according to a third embodiment, showing a part that corresponds to FIG. 2 ;
  • FIG. 8 is a graph showing the relationship between a displacement and a load of the instrument panel
  • FIG. 9 is a cross-sectional view of an instrument panel according to a fourth embodiment, showing a part that corresponds to FIG. 2 ;
  • FIG. 10 is diagram showing the anisotropy of the tensile strength in lines along a plane of an original fabric of a cushion layer
  • FIG. 11 is a plan view showing the relationship between the cleavage groove of the instrument panel and the tensile strength of the ground fabric layer in a modification.
  • FIG. 12 is an enlarged cross-sectional view of an instrument panel according to another modification, showing a part that corresponds to FIG. 2 ;
  • FIGS. 1 to 4 a vehicle interior panel and a vehicle airbag device according to a first embodiment will be described.
  • an instrument panel 10 of an automobile extends in a lateral direction, which is perpendicular to the sheet of the drawing, and includes a core, which is a base 30 , and a covering 20 , which is bonded to the surface of the base 30 .
  • the base 30 is made of thermoplastic olefin, which is abbreviated as TPO, by injection molding.
  • the covering 20 has a three-layer structure with a cushion layer 23 , a ground fabric layer 22 , and a covering layer 21 .
  • the cushion layer 23 is made of, for example, polyurethane foam.
  • the ground fabric layer 22 is made of, for example, a knitted fabric of plastic fibers, such as polyester, and boded to the surface of the cushion layer 23 .
  • the covering layer 21 is made of, for example, polyurethane and is bonded to the surface of the ground fabric layer 22 .
  • a backing (not shown), to which the base 30 is bonded, is bonded to the back of the cushion layer 23 .
  • an original fabric 22 A of the ground fabric layer 22 has anisotropy of the tensile strength in directions along the surface. That is, the tensile strength of the original fabric 22 A is set to be the smallest in a specific direction R1 along the surface of the original fabric 22 A and is set to be the greatest in another direction R2, which is perpendicular to the direction R1.
  • the covering layer 21 has no anisotropy of the tensile strength in directions along its surface. Therefore, the tensile strength of the entire the covering 20 is the smallest in the direction R1.
  • the automobile has a front passenger seat airbag device 50 , which inflates to deploy an airbag 51 in front of a front passenger seat to protect an occupant seated in the seat from an impact when the impact is applied from the front.
  • a front passenger seat airbag device 50 which inflates to deploy an airbag 51 in front of a front passenger seat to protect an occupant seated in the seat from an impact when the impact is applied from the front.
  • a retainer 40 is provided on the back of the instrument panel 10 at a part that is located in front of the front passenger seat.
  • the retainer 40 retains the airbag 51 in a folded state and an inflator 52 , which generates inflation gas and supplies the gas to the airbag 51 .
  • the retainer 40 , the inflator 52 , and the airbag 51 form an airbag module 53 .
  • the retainer 40 has a flat plate-shaped front and rear door portions 42 and 44 , which extend along the back of the instrument panel 10 .
  • a through groove 48 which extends in the lateral direction, is formed between the front door portion 42 and the rear door portion 44 .
  • the front edge of the front door portion 42 and the rear edge of the rear door portion 44 have hinge portions 42 a , 44 a , respectively.
  • the hinge portions 42 a , 44 a each have a folded shape.
  • a basal portion 41 which extends along the back of the instrument panel 10 , extends from each of the hinge portions 42 a , 44 a .
  • a wall portion 46 is formed on the back of each basal portion 41 in a standing manner.
  • the retainer 40 is made of thermoplastic olefin by injection molding.
  • a plurality of protrusions (not shown) is formed on the surface of the basal portions 41 , the front door portion 42 , and the rear door portion 44 .
  • the protrusions are fixed to the back of the base 30 by vibration welding.
  • a cleavage groove 31 is formed on the back of base 30 .
  • the cleavage groove 31 serves as a starting point of the cleavage.
  • a part of the base 30 at which the cleavage groove 31 is located is formed to be thinner than the remaining part.
  • the cleavage groove 31 can be formed by in-mold processing or end mill machining.
  • the cleavage groove 31 includes a first groove section 31 a , which extends in the lateral direction of the vehicle, and V-shaped second groove sections 31 b , which extend outward and diagonally forward or rearward from both ends of the first groove section 31 a .
  • the covering 20 is oriented relative to the base 30 such that the direction R1, in which the tensile strength of the ground fabric layer 22 is the smallest, matches with the longitudinal direction of the vehicle.
  • the cleavage groove 31 is formed only in the base 30 , and no cleavage groove is formed in the covering 20 .
  • the inflator 52 supplies inflation gas to the airbag 51 .
  • the inflation pressure of the airbag 51 pushes the door portions 42 , 44 of the retainer 40 outward while being supported by the hinge portions 42 a , 44 a , as illustrated by broken lines in which a long dash alternates with a pair of short dashes in FIG. 1 .
  • the base 30 of the instrument panel 10 is broken in the front-rear direction from the first groove section 31 a serving as a starting point, and parts of the base 30 that correspond to the door portions 42 , 44 are pushed and spread outward.
  • the tensile strength of the covering 20 is smallest in the longitudinal direction of the vehicle, a portion of the ground fabric layer 22 that corresponds to the first groove section 31 a is smoothly broken in the front-rear direction.
  • the tensile strength of the covering 20 in direction other than the direction R1 is set to be relatively large, so that the strength of the covering 20 is maintained at a desirable level.
  • the vehicle interior panel and the vehicle airbag device described above have the following advantages.
  • the covering 20 at least includes the ground fabric layer 22 , which is formed of a knitted fabric, and the covering layer 21 , which is bonded to the surface of the ground fabric layer 22 , and the ground fabric layer 22 is formed of an original fabric in which the tensile strength in directions along its surface is anisotropic.
  • the first groove section 31 a is cleaved first.
  • the covering 20 is oriented with respect to the base 30 such that the direction of the smallest tensile strength of the ground fabric layer 22 matches with a direction perpendicular to the direction in which the first groove section 31 a extends.
  • This configuration allows the inflation pressure of the airbag 51 to easily break the covering 20 along the cleavage groove 31 of the base 30 without forming a cleavage groove in the covering 20 , while ensuring a desirable level of strength of the covering 20 . Therefore, the manufacturing process of the instrument panel 10 is simplified.
  • the cleavage groove 31 is formed only in the base 30 and not in the covering 20 . Therefore, compared to a case in which a cleavage groove is formed in the cushion layer of the covering, the manufacturing process of the covering 20 is simplified.
  • a retainer similar to that of the first embodiment is attached to the back of a base 330 .
  • the base 330 has a cleavage groove 331 , which is similar to that in the first embodiment.
  • an instrument panel 310 of the present embodiment has a backing layer 324 bonded to the back of cushion layer 323 .
  • an original fabric 324 A of the backing layer 324 is made of unwoven fabric in which the tensile strength in directions along the surface is anisotropic. That is, the tensile strength of the original fabric 324 A is set to be the smallest in a specific direction S1 along the surface of the original fabric 324 A and is set to be the greatest in another direction S2, which is perpendicular to the direction S1.
  • the covering 320 includes a ground fabric layer 322 , a cushion layer 323 bonded to the back of the ground fabric layer 322 , and a backing layer 324 bonded to the back of the cushion layer 323 .
  • the first groove section 331 a is cleaved first.
  • the covering 320 is oriented with respect to the base 330 such that the direction of the smallest tensile strength of the backing layer 324 matches with a direction perpendicular to the direction in which the first groove section 331 a extends. That is, a direction S1, in which the tensile strength of the backing layer 324 is the smallest, is aligned with the direction R1, in which the tensile strength of the ground fabric layer 322 is the smallest.
  • the covering 20 may receive a locally concentrated load depending on the shape of the base 30 , which may tear the covering 20 .
  • the fiber density of the backing layer may be increased to improve the tear strength of the covering 20 , so that the covering 20 is harder to tear.
  • the first groove section 331 a is cleaved first in the cleavage groove 331 , and the tensile strength of the ground fabric layer 322 and the backing layer 324 is set to the smallest in a direction perpendicular to the direction in which the first groove section 331 a extends.
  • the inflation pressure of the airbag cleaves the base 330 of the instrument panel 310 in the front-rear direction from the first groove section 331 a serving as a starting point, and the parts of the base 330 that correspond to the door portions are pushed spread outward, the part of the backing layer 324 that corresponds to the first groove section 331 a is broken in the front-rear direction before being significantly stretched. Accordingly, a part of the ground fabric layer 322 that corresponds to the first groove section 331 a starts receiving a tensile strength from an early stage, so that this part is broken in the front-rear direction before being significantly stretched.
  • the vehicle interior panel and the vehicle airbag device according to the above-mentioned second embodiment have the following advantage in addition to the advantages (1) to (2) of the first embodiment.
  • the backing layer 324 is formed of the original fabric 324 A, in which the tensile strength in directions along its surface is anisotropic.
  • the first groove section 331 a is cleaved first.
  • the covering 320 is oriented with respect to the base 330 such that the direction of the smallest tensile strength of the backing layer 324 matches with a direction perpendicular to the direction in which the first groove section 331 a extends. According to this configuration, retardation of breakage of the covering 320 by the airbag inflation pressure is minimized, while allowing the fiber density of the backing layer 324 to be increased to retard tearing of the covering 320 .
  • a retainer similar to that of the first embodiment is attached to the back of a base 430 .
  • the base 430 has a cleavage groove 431 , which is similar to that in the first embodiment.
  • the cushion layer is preferably formed of a foamed plastic such as polyurethane foam, which has a relatively low tensile strength, as in the first and second embodiments.
  • an original fabric of raschel knitting which is a type of warp knitting, is used for a cushion layer because of its luxurious tactile sensation.
  • an instrument panel that uses, as a cushion layer, a homogeneous original fabric made of foamed plastic has a tactile sensation that is greatly different from an instrument panel that uses original fabric made of warp knitting.
  • the instrument panel of the third embodiment allows a covering to be easily broken by the inflation pressure of an airbag in the manner described below. Also, the tactile sensation of the instrument panel is made similar to one that uses an original fabric made of raschel knitting as a cushion layer.
  • a cushion layer 423 is formed by stacking two original fabric layers made of polyurethane foam of different densities.
  • the cushion layer 423 is made of a first cushion layer 423 a and a second cushion layer 423 b , which is heat welded to the back of the first cushion layer 423 a .
  • the density of the first cushion layer 423 a is higher than that of the second cushion layer 423 b .
  • the first cushion layer 423 a is made of a high-density polyurethane foam
  • the second cushion layer 423 b is made of low-density polyurethane foam.
  • the thicknesses of the cushion layers 423 a , 423 b are substantially equal to each other.
  • the covering 420 includes a ground fabric layer 422 , a cushion layer 423 bonded to the back of the ground fabric layer 422 , and a backing layer 424 bonded to the back of the cushion layer 423 .
  • a covering layer 421 is bonded to the surface of the ground fabric layer 422 .
  • FIG. 8 shows tactile sensation property of an instrument panel.
  • an instrument panel in which an original fabric made of raschel knitting is used as a cushion layer changes in the load with respect to the amount of displacement fall within an applicable range indicated by broken lines in which a long dash alternates with a pair of short dashes.
  • a broken line indicates the tactile sensation property of an instrument panel in which only the first cushion layer 423 a is used as a cushion layer.
  • the load rapidly increases in relation to an increase in the displacement and surpasses the upper limit of the applicable range, which is shown by broken lines in which a long dash alternates with a pair of short dashes. Thereafter, the load gradually increases in relation to an increase in the displacement.
  • a line formed by a long dash alternating with a short dash indicates the tactile sensation property of an instrument panel in which only the second cushion layer 423 b is used as a cushion layer.
  • the load rapidly increases in relation to an increase of the displacement.
  • the second cushion layer 423 b has a lower density and is softer than the first cushion layer 423 a , the amount of increase of the load is relatively small in the whole range of the displacement.
  • the tactile sensation property of the instrument panel 410 of the third embodiment is indicated by a solid line in FIG. 8 and falls within the applicable range, which is surrounded by broken lines in which a long dash alternates with a pair of short dashes. That is, the tactile sensation property of the instrument panel 410 is made similar to that of an instrument panel that uses an original fabric made of raschel knitting.
  • the vehicle interior panel and the vehicle airbag device according to the above-mentioned third embodiment have the following advantage in addition to the advantages (1) to (2) of the first embodiment and the advantage (3) of the second embodiment.
  • the cushion layer 423 is formed by stacking two original fabric layers made of polyurethane foam of different densities. This configuration allows the covering 420 to be easily broken by the inflation pressure of an airbag. Also, the tactile sensation of the instrument panel 410 is made similar to one that uses an original fabric made of raschel knitting as a cushion layer.
  • a retainer similar to that of the first embodiment is attached to the back of a base 530 .
  • the base 530 has a cleavage groove 531 , which is similar to that in the first embodiment.
  • an original fabric 523 A of a cushion layer 523 of an instrument panel 510 is made of raschel knitted fabric in which the tensile strength in directions along the surface is anisotropic. That is, the tensile strength of the original fabric 523 A is set to be the smallest in a specific direction T1 along the surface of the original fabric 523 A and is set to be the greatest in another direction T2, which is perpendicular to the direction T1.
  • the first groove section 531 a is cleaved first.
  • the covering 520 is oriented with respect to the base 530 such that the direction of the smallest tensile strength of the cushion layer 523 matches with a direction perpendicular to the direction in which the first groove section 531 a extends. That is, a direction T1, in which the tensile strength of the cushion layer 523 is the smallest, is aligned with the direction R1, in which the tensile strength of the ground fabric layer 522 is the smallest.
  • the vehicle interior panel and the vehicle airbag device according to the above-mentioned fourth embodiment have the following advantage in addition to the advantages (1) to (2) of the first embodiment.
  • the cushion layer 523 is formed of the original fabric 523 A, in which the tensile strength in directions along its surface is anisotropic.
  • the first groove section 531 a is cleaved first.
  • the covering 520 is oriented with respect to the base 530 such that the direction T1 of the smallest tensile strength of the cushion layer 523 matches with a direction perpendicular to the direction in which the first groove section 531 a extends.
  • the tensile strength of the cushion layer 523 is the smallest along a line perpendicular to the extending direction of the first groove section 531 a , which is designed to be cleaved first in the cleavage groove 531 . This allows the corresponding part of the covering 520 to be easily broken by the inflation pressure of the airbag.
  • the vehicle interior panel and the vehicle airbag device according to the present invention are not to be restricted to configurations shown in the above embodiments, but may be modified as shown below.
  • an H-shaped cleavage groove 131 may be employed. That is, the cleavage groove 131 includes a first groove section 131 a , which extends in the lateral direction of the vehicle, and second groove sections 131 b , which extends forward or rearward from both ends of the first groove section 131 a in the vehicle longitudinal direction. In this case also, it is only necessary to bond the covering to the base such that the direction in which the tensile strength of the ground fabric layer is the smallest matches with the longitudinal direction of the vehicle.
  • the first groove sections of the cleavage groove may be set to extend in the vehicle longitudinal direction. In this case also, it is only necessary to bond the covering to the base such that the direction in which the tensile strength of the ground fabric layer is the smallest matches with the lateral direction of the vehicle.
  • the direction perpendicular to the direction in which the first groove section extends that is, the longitudinal direction of the vehicle does not necessarily need to be completely parallel with the direction in which the tensile strength of the ground fabric layer is the smallest. Even if the direction R1 slightly deviates from the direction perpendicular to the direction in which the first groove section extends, an advantage similar to the advantage (1) of the first embodiment will be achieved.
  • the maximum allowable deviation of the direction R1 from the direction perpendicular to the direction in which the first groove section extends is five degrees.
  • the base and the retainer may be formed of plastic materials other than thermoplastic olefin.
  • the ground fabric layer may be formed of a plastic fiber other than polyester.
  • the ground fabric layer may be formed of nylon.
  • a ground fabric layer made of a woven fabric may be employed.
  • the cushion layer may be formed of a foamed plastic other than polyurethane foam.
  • a cleavage groove 223 a may be formed in a cushion layer 223 , which is part of a covering 220 .
  • the ground fabric layer 222 can be easily broken by the inflation pressure of an airbag without forming a cleavage groove in the ground fabric layer 222 . Therefore, compared to a case in which a cleavage groove is formed in the back of an original fabric forming a ground fabric layer, for example, by laser machining, machining process of the covering 220 is simplified.
  • the backing layer 324 is formed of an original fabric made of a nonwoven fabric.
  • the backing layer may be formed of an original fabric that is not made of a nonwoven fabric, but made of, for example, a woven fabric or a film.
  • the cushion layer 423 is formed by stacking two cushion layers 423 a , 423 b .
  • the cushion layer may be formed by stacking three or more cushion layers.
  • the cushion layers 423 a , 423 b which have different densities, are stacked onto each other.
  • other parameters of the tactile sensation property such as the rigidity and the thickness may be differentiated.
  • the cushion layer 523 is formed by the original fabric 523 A made of raschel knitting.
  • the cushion layer may be formed by an original fabric formed by tricot knitting, which is one type of warp knitting.
  • a fabric may be employed in which the covering layer also has anisotropy of the tensile strength in directions along its surface.
  • the covering and the ground fabric layer are preferably bonded to each other such that the direction in which the tensile strength of the covering layer is the smallest and the direction in which the tensile strength of the ground fabric layer is the smallest are matched.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
  • Instrument Panels (AREA)
US14/053,784 2012-10-22 2013-10-15 Vehicle interior panel and vehicle airbag device Abandoned US20140110921A1 (en)

Priority Applications (1)

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US14/966,191 US9821748B2 (en) 2012-10-22 2015-12-11 Vehicle interior panel and vehicle airbag device

Applications Claiming Priority (4)

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JP2012-232977 2012-10-22
JP2012232977 2012-10-22
JP2013-058139 2013-03-21
JP2013058139A JP6020277B2 (ja) 2012-10-22 2013-03-21 車両用内装パネル及び車両用エアバッグ装置

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US14/966,191 Active US9821748B2 (en) 2012-10-22 2015-12-11 Vehicle interior panel and vehicle airbag device

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EP (1) EP2722238B1 (zh)
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US20150130169A1 (en) * 2013-11-11 2015-05-14 Toyoda Gosei Co., Ltd. Vehicle interior panel and vehicle airbag apparatus
US9975517B2 (en) 2016-04-22 2018-05-22 Honda Motor Co., Ltd. Vehicle restraint apparatus and methods of use and manufacture thereof
US20180222430A1 (en) * 2015-09-09 2018-08-09 Toyoda Gosei Co., Ltd. Vehicle air bag door
US10081327B2 (en) 2015-08-21 2018-09-25 Toyoda Gosei Co., Ltd. Automobile airbag door

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JP2014218188A (ja) * 2013-05-09 2014-11-20 豊田合成株式会社 自動車用エアバッグドア
JP6221984B2 (ja) * 2014-07-29 2017-11-01 豊田合成株式会社 車両用内装パネルにおける接着剤の塗布量設定方法及び車両用内装パネル
EP3076388B1 (en) * 2015-03-30 2018-10-17 Yamaha Corporation Percussion surface apparatus
JP2016210218A (ja) * 2015-04-30 2016-12-15 豊田合成株式会社 エアバッグ装置
JP2017140966A (ja) * 2016-02-12 2017-08-17 日本プラスト株式会社 エアバッグカバー
KR20210006643A (ko) * 2019-07-09 2021-01-19 현대자동차주식회사 에어백 도어 전개부를 포함하는 크러쉬 패드
EP4023503B1 (en) * 2020-10-12 2023-12-06 Hyundai Mobis Co., Ltd. Vehicle crash pad with airbag door
DE102021207774A1 (de) 2021-07-21 2023-01-26 Volkswagen Aktiengesellschaft Innenverkleidungsteil zur Abdeckung einer Airbag-Einrichtung
CN117656624A (zh) * 2022-08-30 2024-03-08 佛吉亚（中国）投资有限公司 织物表皮、内饰面板、制造方法以及安全气囊装置

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CN103770739B (zh) 2017-01-11
CN103770739A (zh) 2014-05-07
US20160096502A1 (en) 2016-04-07
EP2722238B1 (en) 2018-04-04
US9821748B2 (en) 2017-11-21
JP6020277B2 (ja) 2016-11-02
JP2014101108A (ja) 2014-06-05

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