×

Vehicle air bag safety system

  • US 5,002,307 A
  • Filed: 07/13/1989
  • Issued: 03/26/1991
  • Est. Priority Date: 07/13/1989
  • Status: Expired due to Term
First Claim
Patent Images

1. In a vehicle air bag safety system comprising a cover for covering an air bag module installation, the cover being comprising of an outer cap formed of elastic material and liner means for preventing the cover from being subjected to deformation when the air bag is deployed, said cover being characterized in that the liner means is interiorly of said cap and pre-molded of a durable thermoplastic to include a pair of elongated faces which are confronting and define an elongated thermoplastic to include a pair of elongated faces which are confronting and define an elongated separation, and the outer cap is molded of a urethane which is strongly adherent to the thermoplastic, said cap being formed by injection molding said urethane directly onto the thermoplastic liner means, said cap including a portion of reduced thickness adjacent said separation to form a tearing line and adapted to rip open along said tearing line so as to open when the air bag is deployed, and said liner means being operative to prevent inadvertent release of the urethane due to the adherence of the urethane to the thermoplastic and, wherein said thermoplastic liner means has a flex modulus of about 110,000 to about 130,000 psi at -40 degrees F.

View all claims
  • 10 Assignments
Timeline View
Assignment View
    ×
    ×