Venting closure assembly

Details Venting closure assembly Venting closure assembly

1982-01-27

1983-08-30

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215313, B65D 5116

Patent

active

044012268

ABSTRACT:
A venting closure for sealing a pressurized container comprising a stopper member having an elongated stem portion engageable in the discharge opening in the container, an enlarged head portion having a bottom chamber formed in its outer axial end face, a generally disc-like button rotatably mounted in said chamber having means defining a groove overlying a removable cap normally sealing a port in said stopper communicating with the interior head space of said container, vent channel means in said button, rotation of said button operable to displace the means normally sealing said port to establish fluid communication therethrough and permit venting from the head space to the atmosphere through said vent channel means in said button.

REFERENCES:
patent: 1890347 (1932-12-01), Voss

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