DE3904977C1 - - Google Patents

Info

Publication number
DE3904977C1
DE3904977C1 DE3904977A DE3904977A DE3904977C1 DE 3904977 C1 DE3904977 C1 DE 3904977C1 DE 3904977 A DE3904977 A DE 3904977A DE 3904977 A DE3904977 A DE 3904977A DE 3904977 C1 DE3904977 C1 DE 3904977C1
Authority
DE
Germany
Prior art keywords
tear
cover
foil
foam
film
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.)
Expired - Lifetime
Application number
DE3904977A
Other languages
German (de)
English (en)
Inventor
Manfred 7301 Deizisau De Mueller
Wolfgang 7400 Tuebingen De Henseler
Egon 7270 Nagold De Katz
Alban 7046 Gaeufelden De Bossenmaier
Dietrich 7032 Sindelfingen De Hamm
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.)
Mercedes Benz Group AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Priority to DE3904977A priority Critical patent/DE3904977C1/de
Application granted granted Critical
Publication of DE3904977C1 publication Critical patent/DE3904977C1/de
Priority to SE9000334A priority patent/SE469121B/sv
Priority to GB9002146A priority patent/GB2228714B/en
Priority to JP2031686A priority patent/JPH0645184B2/ja
Priority to IT47635A priority patent/IT1239593B/it
Priority to FR9001902A priority patent/FR2643306A1/fr
Priority to US07/731,974 priority patent/US5180187A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
    • B29C44/146—Shaping the lining before foaming
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0053—Moulding articles characterised by the shape of the surface, e.g. ribs, high polish
    • B29C37/0057—Moulding single grooves or ribs, e.g. tear lines
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/007—Forming single grooves or ribs, e.g. tear lines, weak spots
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
DE3904977A 1989-02-18 1989-02-18 Expired - Lifetime DE3904977C1 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE3904977A DE3904977C1 (ko) 1989-02-18 1989-02-18
SE9000334A SE469121B (sv) 1989-02-18 1990-01-31 Foerfarande foer framstaellning av en oevertaeckning foer en gaskuddeenhet
GB9002146A GB2228714B (en) 1989-02-18 1990-01-31 Process for producing a cover for an airbag unit
JP2031686A JPH0645184B2 (ja) 1989-02-18 1990-02-14 エアバツグ装置用被覆の製造方法
IT47635A IT1239593B (it) 1989-02-18 1990-02-15 Procedimento per la realizzazione di una copertura per una unita' di cuscinetto ad aria per autoveicoli.
FR9001902A FR2643306A1 (fr) 1989-02-18 1990-02-16 Procede de fabrication d'un revetement pour une unite a coussin pneumatique de securite
US07/731,974 US5180187A (en) 1989-02-18 1991-07-18 Cover for an airbag unit and the process for producing it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3904977A DE3904977C1 (ko) 1989-02-18 1989-02-18

Publications (1)

Publication Number Publication Date
DE3904977C1 true DE3904977C1 (ko) 1990-01-18

Family

ID=6374390

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3904977A Expired - Lifetime DE3904977C1 (ko) 1989-02-18 1989-02-18

Country Status (6)

Country Link
JP (1) JPH0645184B2 (ko)
DE (1) DE3904977C1 (ko)
FR (1) FR2643306A1 (ko)
GB (1) GB2228714B (ko)
IT (1) IT1239593B (ko)
SE (1) SE469121B (ko)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2659267A1 (fr) * 1990-03-06 1991-09-13 Takata Corp Procede de fabrication d'un couvercle modulaire pour ballonnet gonflable de protection contre les collisions.
WO1992014632A1 (en) * 1991-02-13 1992-09-03 Allied-Signal Inc. Air bag door with unzipping seam
EP0583079A1 (en) * 1992-08-13 1994-02-16 Davidson Textron Inc. Hidden door for an air bag restraint system
DE4411283C1 (de) * 1994-03-31 1995-05-24 Daimler Benz Ag Verfahren zur Herstellung einer dehnungselastischen, als Deckschicht einer Abdeckung für einen aufblasbaren Gassack von Fahrzeugen vorgesehenen Folie
EP0741062A2 (de) * 1995-05-03 1996-11-06 Eldra Kunststofftechnik Gmbh Airbag-Abdeckung sowie Verfahren zu seiner Herstellung
DE19636428A1 (de) * 1996-09-07 1998-03-12 Jenoptik Jena Gmbh Airbag-Abdeckung
DE19648138A1 (de) * 1996-11-21 1998-05-28 Opel Adam Ag Luftsackabdeckung
DE19653797A1 (de) * 1996-12-21 1998-06-25 Mst Automotive Gmbh Abdeckung für ein Airbag-Modul
DE10051836A1 (de) * 2000-10-19 2002-04-25 Bayerische Motoren Werke Ag Herstellverfahren für ein Fahrzeug-Innenausstattungsteil mit einer Airbag-Aufreißnaht

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544714U (ja) * 1991-08-09 1993-06-15 大同化成工業株式会社 膨張式乗員拘束装置のケーシング構造
US6001295A (en) * 1995-03-31 1999-12-14 Toyoda Gosei Co., Ltd Manufacturing method of an air bag cover
US5698283A (en) * 1995-06-21 1997-12-16 Toyoda Gosei Co., Ltd. Air bag cover and manufacturing method for same
JPH09156445A (ja) * 1995-12-12 1997-06-17 Toyoda Gosei Co Ltd エアバッグカバー
DE10164528A1 (de) * 2001-12-18 2003-07-10 Jenoptik Automatisierungstech Verfahren zum Einbringen einer Reißnaht in Folien und dünne Formteile

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2643451A1 (de) * 1975-09-30 1977-04-07 Nissan Motor Luftkissen fuer fahrzeuge
DE3315535A1 (de) * 1983-04-29 1984-03-22 Daimler-Benz Ag, 7000 Stuttgart Abdeckung fuer ein aufblasbares gaskissen
DE8713154U1 (ko) * 1987-09-30 1987-11-12 Trw Repa Gmbh, 7077 Alfdorf, De

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2053565A1 (de) * 1970-10-31 1972-05-04 Volkswagenwerk Ag, 3180 Wolfsburg Sicherheitsvorrichtung
JPS5213701Y2 (ko) * 1973-12-03 1977-03-28
CH628564A5 (en) * 1978-03-31 1982-03-15 Hoffmann Ag Geb Method for applying a predetermined breaking point in the form of a groove which weakens the cross-section to a sealing diaphragm intended for use in a can
JPH01122753A (ja) * 1987-11-05 1989-05-16 Sekisui Chem Co Ltd エアバッグ収納ケース
JPH0694266B2 (ja) * 1989-02-20 1994-11-24 タカタ株式会社 エアバッグ収納用カバー

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2643451A1 (de) * 1975-09-30 1977-04-07 Nissan Motor Luftkissen fuer fahrzeuge
DE3315535A1 (de) * 1983-04-29 1984-03-22 Daimler-Benz Ag, 7000 Stuttgart Abdeckung fuer ein aufblasbares gaskissen
DE8713154U1 (ko) * 1987-09-30 1987-11-12 Trw Repa Gmbh, 7077 Alfdorf, De

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2659267A1 (fr) * 1990-03-06 1991-09-13 Takata Corp Procede de fabrication d'un couvercle modulaire pour ballonnet gonflable de protection contre les collisions.
WO1992014632A1 (en) * 1991-02-13 1992-09-03 Allied-Signal Inc. Air bag door with unzipping seam
EP0583079A1 (en) * 1992-08-13 1994-02-16 Davidson Textron Inc. Hidden door for an air bag restraint system
DE4411283C1 (de) * 1994-03-31 1995-05-24 Daimler Benz Ag Verfahren zur Herstellung einer dehnungselastischen, als Deckschicht einer Abdeckung für einen aufblasbaren Gassack von Fahrzeugen vorgesehenen Folie
EP0741062A2 (de) * 1995-05-03 1996-11-06 Eldra Kunststofftechnik Gmbh Airbag-Abdeckung sowie Verfahren zu seiner Herstellung
EP0741062A3 (ko) * 1995-05-03 1996-12-11 Eldra Kunststofftechnik Gmbh
DE19636428A1 (de) * 1996-09-07 1998-03-12 Jenoptik Jena Gmbh Airbag-Abdeckung
DE19636428B4 (de) * 1996-09-07 2004-06-17 Jenoptik Ag Fahrzeuginnenverkleidungsteil mit integrierter Airbag-Abdeckung
MY119396A (en) * 1996-09-07 2005-05-31 Jenoptik Jena Gmbh Airbag cover
DE19648138A1 (de) * 1996-11-21 1998-05-28 Opel Adam Ag Luftsackabdeckung
DE19653797A1 (de) * 1996-12-21 1998-06-25 Mst Automotive Gmbh Abdeckung für ein Airbag-Modul
DE10051836A1 (de) * 2000-10-19 2002-04-25 Bayerische Motoren Werke Ag Herstellverfahren für ein Fahrzeug-Innenausstattungsteil mit einer Airbag-Aufreißnaht

Also Published As

Publication number Publication date
IT9047635A1 (it) 1990-08-19
JPH0645184B2 (ja) 1994-06-15
IT1239593B (it) 1993-11-10
IT9047635A0 (it) 1990-02-15
JPH02248238A (ja) 1990-10-04
FR2643306B1 (ko) 1994-08-19
FR2643306A1 (fr) 1990-08-24
GB9002146D0 (en) 1990-03-28
SE9000334D0 (sv) 1990-01-31
GB2228714B (en) 1992-09-16
GB2228714A (en) 1990-09-05
SE469121B (sv) 1993-05-17
SE9000334L (sv) 1990-08-19

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DAIMLERCHRYSLER AG, 70567 STUTTGART, DE

8339 Ceased/non-payment of the annual fee