Patent ID: 6035906
Filing Date: 2000-03-14
Classification: B60K,Y10S

Abstract:
A self-closing cap for a filler neck of a container wherein said neck includes a restrictive flap pivotally connected thereto, comprising:a closure ring having an annular body and means for detachably mounting the periphery of said annular body around a peripheral edge of said filler neck, anda closure flap assembly including a circular member having an opening for receiving a nozzle, a closure flap, means for pivotally mounting said closure flap over said opening, and means for affixing said circular member to said annular body such that said pivotal mounting means is substantially opposite to a pivotal connection between said restrictive flap and said neck, andan overpressure valve assembly mounted onto said closure ring for releasing gases and vapors from said container when the pressure in the container reaches a predetermined limit.