US20020027336A1 - Airbag housing and cover - Google Patents

Airbag housing and cover Download PDF

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Publication number
US20020027336A1
US20020027336A1 US09/367,564 US36756499A US2002027336A1 US 20020027336 A1 US20020027336 A1 US 20020027336A1 US 36756499 A US36756499 A US 36756499A US 2002027336 A1 US2002027336 A1 US 2002027336A1
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US
United States
Prior art keywords
airbag
housing
cover
periphery
lugs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
US09/367,564
Other versions
US6375215B1 (en
Inventor
Hubert Rene Ross
Andreas Staub
Frank Sauberlich
Matthias Volkmann
Dirk Roosen
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.)
Joyson Safety Systems Inc
Original Assignee
Breed Automotive Technology Inc
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 Breed Automotive Technology Inc filed Critical Breed Automotive Technology Inc
Assigned to BREED AUTOMOTIVE TECHNOLOGY, INC. reassignment BREED AUTOMOTIVE TECHNOLOGY, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ROOSEN, DIRK, VOLKMAN, MATTHIAS, SAUBERLICH, FRANK, STAUB, ANDREAS, ROSS, HUBERT
Assigned to CONGRESS FINANCIAL CORPORATION (FLORIDA) reassignment CONGRESS FINANCIAL CORPORATION (FLORIDA) SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BREED AUTOMOTIVE TECHNOLOGY, INC.
Publication of US20020027336A1 publication Critical patent/US20020027336A1/en
Application granted granted Critical
Publication of US6375215B1 publication Critical patent/US6375215B1/en
Assigned to BREED AUTOMOTIVE TECHNOLOGY, INC. reassignment BREED AUTOMOTIVE TECHNOLOGY, INC. RELEASE OF SECURITY INTEREST IN TRADEMARKS Assignors: CONGRESS FINANCIAL CORPORATION
Assigned to CITICORP USA, INC., AS TERM C LOAN COLLATERAL AGENT AND CITICORP USA, INC. AS ADMINISTRATIVE AGENT reassignment CITICORP USA, INC., AS TERM C LOAN COLLATERAL AGENT AND CITICORP USA, INC. AS ADMINISTRATIVE AGENT SECURITY AGREEMENT Assignors: BREED AUTOMOTIVE TECHNOLOGY, INC.
Assigned to KEY SAFETY SYSTEMS, INC. reassignment KEY SAFETY SYSTEMS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BREED AUTOMOTIVE TECHNOLOGY, INC.
Assigned to CITICORP USA, INC. reassignment CITICORP USA, INC. SECURITY AGREEMENT Assignors: AEGIS KEY CORP, BREED AUTOMOTIVE TECHNOLOGY, INC, HAMLIN ELECTRONICS LIMITED PARTNERSHIP, HAMLIN INCORPORATED, KEY ASIAN HOLDINGS, INC, KEY AUTOMOTIVE ACCESSORIES, INC, KEY AUTOMOTIVE OF FLORIDA, INC, KEY AUTOMOTIVE WEST, INC, KEY AUTOMOTIVE, LP, KEY CAYMAN GP LLC, KEY ELECTRONICS OF NEVADA, INC, KEY INTERNATIONAL MANUFACTURING DEVELOPMENT CORPORATION, KEY SAFETY RESTRAINT SYSTEMS, INC, KEY SAFETY SYSTEMS FOREIGN HOLDCO, LLC, KEY SAFETY SYSTEMS OF TEXAS, INC, KEY SAFETY SYSTEMS, INC, KSS ACQUISITION COMPANY, KSS HOLDINGS, INC
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B60R21/217Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
    • 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
    • B60R21/201Packaging straps or envelopes for inflatable members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/06Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815Hot melt adhesives, e.g. thermoplastic adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4825Pressure sensitive adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005Body finishings
    • B29L2031/3038Air bag covers
    • 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
    • B60R21/217Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
    • B60R21/2171Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together specially adapted for elongated cylindrical or bottle-like inflators with a symmetry axis perpendicular to the main direction of bag deployment, e.g. extruded reaction canisters

Definitions

  • the present invention relates to a housing and cover for an airbag for a vehicle safety restraint.
  • a safety restraint airbag is contained in its uninflated state in a metal housing mounted to a fixed part of the vehicle such as the steering wheel (driver side airbags) or the instrument panel (passenger side).
  • the folded airbag is protected from the ingress of dirt or dust by a dust cover.
  • the dust cover splits and a door in the instrument panel or steering wheel either detaches, or splits open quickly, and without forming debris which could form dangerous projectiles and injure the vehicle occupant.
  • the dust cover is formed of a thin, flexible material such as non-woven fabric or a woven polyamide or polyester or polyethylene material and the door is made of rigid material.
  • an airbag arrangement comprising
  • a housing formed of plastics material, for containing the airbag in a deflated, folded condition
  • a dust cover formed of thin and flexible material, and attached to the airbag housing by a seal around a substantial portion of the top edge periphery of the housing, wherein the thin and flexible material forming the cover is sealed to the housing by ultrasonic welding overprinted with warning messages and/or with information texts and/or with bar codes and/or with trade mark material.
  • This arrangement is cheaper to produce and quicker to assemble, and has the advantage of being generally tamper-proof, since any tampering with the package will be immediately evident from detachment of the cover or tears therein.
  • FIG. 1 illustrates a first embodiment of the present invention
  • FIG. 2 is an enlarged view of part A of FIG. 1;
  • FIG. 3 illustrates a second embodiment of the present invention
  • FIG. 4 is an enlarged view of part A of FIG. 3;
  • an airbag housing 1 is formed of plastics material. It forms a container for an airbag inflator 2 (which may be a gas cylinder or a pyrotechnic type inflator will known to persons skilled in the art). An uninflated airbag cushion 3 is folded on top of the inflator 2 .
  • a dust cover 5 is welded around a substantial part of the peripheral flange 6 of the airbag housing 1 as indicated at 7 .
  • the welding is ultrasonic welding.
  • the dust cover 5 may additionally be attached to the plastics airbag housing 1 by heat treatment or along at least a substantial part of the peripheral line at which it contacts the housing flange 6 .
  • FIG. 2 illustrates in more detail the lines 8 along which the heat treatment or welding is applied.
  • heat formed joining lugs 9 are formed as upstanding pintype features on the housing 1 . These lugs are formed as simple stalks as shown in FIG. 4, and are pushed through holes around the periphery of the cover and locally heat treated to form heads 9 as shown in FIG. 3, and to retain the cover. Ultrasonic treatment could also be used.

Abstract

An airbag arrangement comprising: an airbag; a housing (1), formed of plastics material, for containing the airbag in a deflated, folded condition; a cover (5), formed of flexible material, and attached to the airbag housing (1) by a seal around a substantial portion of the periphery of the housing (1). The seal may be by heat or pressure sensitive glue, by ultrasonic or vibration welding or by deformable lugs (9). This arrangement is cheaper to produce and quicker to assemble, and has the advantage of being generally tamper-proof, since any tampering with the package will be immediately evident from detachment of the cover or tears therein.

Description

  • The present invention relates to a housing and cover for an airbag for a vehicle safety restraint. [0001]
  • Traditionally a safety restraint airbag is contained in its uninflated state in a metal housing mounted to a fixed part of the vehicle such as the steering wheel (driver side airbags) or the instrument panel (passenger side). The folded airbag is protected from the ingress of dirt or dust by a dust cover. When the airbag deploys in a crash situation, the dust cover splits and a door in the instrument panel or steering wheel either detaches, or splits open quickly, and without forming debris which could form dangerous projectiles and injure the vehicle occupant. [0002]
  • Commonly the dust cover is formed of a thin, flexible material such as non-woven fabric or a woven polyamide or polyester or polyethylene material and the door is made of rigid material. [0003]
  • According to the present invention there is provided an airbag arrangement comprising [0004]
  • an airbag; [0005]
  • a housing, formed of plastics material, for containing the airbag in a deflated, folded condition; [0006]
  • a dust cover, formed of thin and flexible material, and attached to the airbag housing by a seal around a substantial portion of the top edge periphery of the housing, wherein the thin and flexible material forming the cover is sealed to the housing by ultrasonic welding overprinted with warning messages and/or with information texts and/or with bar codes and/or with trade mark material. [0007]
  • This arrangement is cheaper to produce and quicker to assemble, and has the advantage of being generally tamper-proof, since any tampering with the package will be immediately evident from detachment of the cover or tears therein.[0008]
  • For a better understanding of the present invention and to show how the same may be carried into effect, reference will now be made to the accompanying drawings which are given by way of example: [0009]
  • FIG. 1 illustrates a first embodiment of the present invention; [0010]
  • FIG. 2 is an enlarged view of part A of FIG. 1; [0011]
  • FIG. 3 illustrates a second embodiment of the present invention; [0012]
  • FIG. 4 is an enlarged view of part A of FIG. 3;[0013]
  • In FIG. 1 an airbag housing [0014] 1 is formed of plastics material. It forms a container for an airbag inflator 2 (which may be a gas cylinder or a pyrotechnic type inflator will known to persons skilled in the art). An uninflated airbag cushion 3 is folded on top of the inflator 2.
  • A [0015] dust cover 5 is welded around a substantial part of the peripheral flange 6 of the airbag housing 1 as indicated at 7. The welding is ultrasonic welding.
  • The [0016] dust cover 5 may additionally be attached to the plastics airbag housing 1 by heat treatment or along at least a substantial part of the peripheral line at which it contacts the housing flange 6.
  • FIG. 2 illustrates in more detail the [0017] lines 8 along which the heat treatment or welding is applied.
  • In FIG. 3 heat formed joining lugs [0018] 9 are formed as upstanding pintype features on the housing 1. These lugs are formed as simple stalks as shown in FIG. 4, and are pushed through holes around the periphery of the cover and locally heat treated to form heads 9 as shown in FIG. 3, and to retain the cover. Ultrasonic treatment could also be used.

Claims (4)

1. An airbag arrangement comprising
an airbag;
a housing, formed of plastics material, for containing the airbag in a deflated, folded condition;
a dust cover, formed of thin and flexible material, and attached to the airbag housing by a seal around a substantial portion of the top edge periphery of the housing, wherein the thin and flexible material forming the cover is sealed to the housing by ultrasonic welding overprinted with warning messages and/or with information texts and/or with bar codes and/or with trade mark material.
2. An airbag arrangement according to claim 1, further comprising deformable pin members formed integrally with either the airbag housing or the cover.
3. An airbag arrangement according to claim 2, wherein the deformable pin members comprise joining lugs (9) formed as upstanding pin type stalks around the periphery of the housing (1) and holes are provided around the periphery of the cover to receive the lugs (9).
4. An airbag arrangement according to claim 3, wherein the lugs (9) are subsequently locally heat or ultrasonically treated to form heads to retain the cover.
US09/367,564 1997-03-21 1998-03-13 Airbag housing and cover Expired - Fee Related US6375215B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9705882.0 1997-03-21
GB9705882 1997-03-21
GB9705882A GB2323339B (en) 1997-03-21 1997-03-21 Airbag housing and cover
PCT/GB1998/000766 WO1998042546A1 (en) 1997-03-21 1998-03-13 Airbag housing and cover

Publications (2)

Publication Number Publication Date
US20020027336A1 true US20020027336A1 (en) 2002-03-07
US6375215B1 US6375215B1 (en) 2002-04-23

Family

ID=10809634

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/367,564 Expired - Fee Related US6375215B1 (en) 1997-03-21 1998-03-13 Airbag housing and cover

Country Status (5)

Country Link
US (1) US6375215B1 (en)
EP (1) EP0968103B1 (en)
DE (1) DE69819874T2 (en)
GB (1) GB2323339B (en)
WO (1) WO1998042546A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020183817A1 (en) * 2000-12-07 2002-12-05 Paul Van Venrooij Directional brain stimulation and recording leads
US20060168805A1 (en) * 2005-01-31 2006-08-03 Michael Hegland Method of manufacturing a medical lead

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10133968A1 (en) * 2001-07-17 2003-02-06 Preh Elektro Feinmechanik Air bag module
EP1436175B1 (en) * 2001-10-12 2006-06-14 DaimlerChrysler AG Covering element for airbag system
US20060011495A1 (en) * 2004-06-28 2006-01-19 Brian Hood Pyrotechnic safety device and method of use
US7318599B2 (en) * 2004-08-09 2008-01-15 Indiana Mills & Manufacturing Inc. Modular inflatable restraint apparatus
JP4753246B2 (en) * 2005-12-19 2011-08-24 タカタ株式会社 Airbag device
DE202006000300U1 (en) * 2006-01-05 2006-05-24 Takata-Petri Ag airbag housing
DE102007058546B4 (en) * 2007-12-05 2016-11-24 Autoliv Development Ab Front air bag device

Family Cites Families (13)

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DE3837086A1 (en) * 1988-11-01 1990-05-03 Kolbenschmidt Ag GAS BAG IMPACT PROTECTION DEVICE
US5062664A (en) * 1989-05-11 1991-11-05 Allied-Signal Inc. Air bag assembly
US4941678A (en) * 1989-06-29 1990-07-17 Morton Thiokol, Inc. Lightweight reaction can for passenger inflators
US5286054A (en) * 1989-12-04 1994-02-15 Talley Automotive Products, Inc. Aspirating/venting motor vehicle passenger airbag module
US5121941A (en) * 1991-02-19 1992-06-16 Trw Vehicle Safety Systems Inc. Air bag module
DE4112939A1 (en) * 1991-04-20 1992-10-22 Kolbenschmidt Ag GAS BAG IMPACT PROTECTION DEVICE
US5201541A (en) * 1991-06-19 1993-04-13 General Motors Corporation Occupant restraint module
JP3118974B2 (en) 1992-08-31 2000-12-18 タカタ株式会社 Airbag device
US5378013A (en) * 1993-08-06 1995-01-03 Ford Motor Company Cover retainer assembly for inflatable restraint air bag
US5580082A (en) * 1994-07-07 1996-12-03 Toyoda Gosei Co., Ltd. Steering wheel pad attachment structure
US5496057A (en) * 1995-03-31 1996-03-05 General Motors Corporation Air bag module cover retainer
US5511818A (en) * 1995-08-16 1996-04-30 Morton International, Inc. Passenger side airbag module
US5690354A (en) * 1996-03-19 1997-11-25 General Motors Corporation Air bag module

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020183817A1 (en) * 2000-12-07 2002-12-05 Paul Van Venrooij Directional brain stimulation and recording leads
US7212867B2 (en) 2000-12-07 2007-05-01 Medtronic, Inc. Directional brain stimulation and recording leads
US20060168805A1 (en) * 2005-01-31 2006-08-03 Michael Hegland Method of manufacturing a medical lead
US20060173262A1 (en) * 2005-01-31 2006-08-03 Medtronic, Inc. Medical lead with segmented electrode
US7761985B2 (en) 2005-01-31 2010-07-27 Medtronic, Inc. Method of manufacturing a medical lead
US8000808B2 (en) 2005-01-31 2011-08-16 Medtronic, Inc. Medical lead with segmented electrode

Also Published As

Publication number Publication date
DE69819874T2 (en) 2004-09-02
EP0968103A1 (en) 2000-01-05
WO1998042546A1 (en) 1998-10-01
GB9705882D0 (en) 1997-05-07
DE69819874D1 (en) 2003-12-24
US6375215B1 (en) 2002-04-23
EP0968103B1 (en) 2003-11-19
GB2323339A (en) 1998-09-23
GB2323339B (en) 2001-07-11

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ROSS, HUBERT;STAUB, ANDREAS;SAUBERLICH, FRANK;AND OTHERS;REEL/FRAME:010335/0945;SIGNING DATES FROM 19990621 TO 19990712

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