Molded foam vehicle energy absorbing device and method of...

Details Molded foam vehicle energy absorbing device and method of... Molded foam vehicle energy absorbing device and method of...

B - Operations, Transporting

29

C

B29C 44/02 (2006.01) B60R 19/22 (2006.01)

Patent

CA 2539983

A method for forming energy absorbing components (24) for motor vehicles includes mixing a polymeric resin and blowing agent combination. The combination is heated to liquefy it. A mold for receiving the liquefied combination is cooled. The liquefied combination is injected into the mold in less than 1.5 seconds and preferably in 0.5 seconds or less.

La présente invention concerne un procédé permettant de former des composants amortisseurs (24) pour des véhicules à moteur. Le procédé susmentionné consiste à mélanger une résine polymérique et un agent gonflant ; puis à chauffer ce mélange de manière à le liquéfier ; à refroidir un moule conçu pour recevoir le mélange liquéfié ; à injecter le mélange liquéfié dans le moule en moins de 1,5 seconde, de préférence, en moins de 0,5 seconde.

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