Cover for a vehicle air bag

Details Cover for a vehicle air bag Cover for a vehicle air bag

1989-12-20

1992-05-05

Thomas, Alexander S.

Stock material or miscellaneous articles

Sheet, web, or layer weakened to permit separation through...

428217, 280728, 280743, B60R 2116

Patent

active

051106477

ABSTRACT:
A cover for a vehicle air bag comprises an external surface layer injection-molded from a thermoplastic material having a JIS-A hardness of 20 to 90 and a core layer injection-molded from a thermoplastic material having a bending elastic modulus (JIS K 7203) of not less than about 1000 kg/cm.sup.2 and a hardness greater than that of the surface layer. The core has weakened zones along which the cover breaks when the air bag is inflated.

REFERENCES:
patent: 4120516 (1978-10-01), Takamatsu et al.
patent: 4836576 (1989-06-01), Werner et al.
patent: 4895389 (1990-01-01), Pack

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