Gas stopper and methods of constructing and utilizing same

Details Gas stopper and methods of constructing and utilizing same Gas stopper and methods of constructing and utilizing same

1991-07-22

1992-06-23

Marcus, Stephen

Receptacles

Closures

With condition responsive vent or valve

220 862, 220239, 220240, 141312, 141369, 141375, B65D 5116

Patent

active

051235579

ABSTRACT:
A gas cap permanently mounted to an access door for preventing back flow of fuel from a filler neck. A tubular member is secured to the access door including a mating member for connecting with the filler neck and locking members. Upon the presence of pressure caused by a fuel backflow, the locking members are engaged to the filler neck preventing the gas cap from being removed. Thus, release of fuel in vehicle accidents, such as rollovers, is prevented.

REFERENCES:
patent: 4341322 (1982-07-01), Heinke
patent: 4716920 (1988-01-01), Crute
patent: 4768677 (1988-09-01), Kitsukawa
patent: 4784423 (1988-11-01), Pardy
patent: 4787529 (1988-11-01), Harris
patent: 4811763 (1989-03-01), Kupske
patent: 4830067 (1989-05-01), Foutch

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