Method of manufacturing modular cover or air bag

Details Method of manufacturing modular cover or air bag Method of manufacturing modular cover or air bag

B - Operations, Transporting

29

C

18/1111

B29C 43/16 (2006.01) B29C 37/00 (2006.01) B29C 43/02 (2006.01) B29C 43/20 (2006.01) B29C 43/36 (2006.01) B29C 44/04 (2006.01) B29C 45/56 (2006.01) B29C 70/70 (2006.01) B60R 21/20 (2006.01)

Patent

CA 2035921

ABSTRACT OF THE DISCLOSURE The present invention relates to a method of manufac- turing a modular air bag cover provided with a grooved tear- line along which the cover is teared to allow the air bag to develop. The method according to the present invention is charac- terized in that a resin material is fed into the cavity of a mold provided with a movable member adapted to form a tear- line on the resin material and capable of moving toward, and away from, the mold cavity such that when the mold cavity is filled with the resin material and the mold is closed, the movable member is advanced toward the mold cavity thereby obtaining a modular cover provided with a tear-line having a small thickness and a high degree of strength.

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