Breakaway gas cap

  • US 4,177,931 A
  • Filed: 10/04/1978
  • Issued: 12/11/1979
  • Est. Priority Date: 10/04/1978
  • Status: Expired due to Term
First Claim
Patent Images

1. A cap for an automobile fuel fill neck, comprising an inner portion having a central portion adapted to close and seal the neck and having peripheral portions, an outer portion carried by said peripheral portions and providing a hand engaging surface to be used to insert and remove the central portion from the neck, said inner portion including a frangible section defined between the central portion and the peripheral portions to enhance breakage of the gas cap without affecting the closure and sealing of the neck.

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