Land vehicles – Wheeled – Attachment
Patent
1996-12-05
1998-09-08
Dickson, Paul N.
Land vehicles
Wheeled
Attachment
B60R 2116
Patent
active
058034897
ABSTRACT:
The invention relates to a gas bag cover for a vehicle occupant restraining system wherein said cover has a tear line extending from the inner side thereof as far as a predetermined residual wall thickness and to a method for the production thereof. The cover is characterized in that as a main component thereof it comprises one or more layers in a composite structure of a material selected from the group consisting of elastomer alloys of a thermoplastic polymer with a non-cross linked, partly cross-linked or completely cross-linked EPDM terpolymer, of block copolymers of alternating polyester and polyether blocks and of block copolymers of polystyrene and polyolefines, in that the residual wall thickness amounts to between 0.3 and 1 mm along the major part of the course of the tear line, and in that the tear line, starting from an inner side of the cover, steadily tapers toward an outer side thereof. The tear line is produced with the aid of a laser from the inner side of the cover.
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Dickson Paul N.
TRW Occupant Restraint Systems GmbH
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