Receptacles – Closures – With condition responsive vent or valve
Patent
1992-02-20
1992-12-08
Marcus, Stephen
Receptacles
Closures
With condition responsive vent or valve
220231, 220303, 220DIG32, B65D 5116
Patent
active
051690152
ABSTRACT:
A radiator cap including a manually manipulable crown provides an auxiliary vacuum seal for sealing a potential vacuum leak path around a member penetrating through a central aperture of the crown. The member may be a rivet or stud which secures the crown, a bell housing and a discoid spring in an assembled condition. Alternatively, the member may be a vent pin connected to a manually manipulable safety lever. The auxiliary vacuum seal preferably takes the form of a resilient O-ring which surrounds the member and is sealingly interposed between the discoid spring, the member and the bell housing to seal a potential vacuum leak path between the member and the discoid spring.
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Marcus Stephen
Stant Corporation
Stucker Nova
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