Resealable container closure

Details Resealable container closure Resealable container closure

1991-01-11

1993-09-07

Shoap, Allan N.

Receptacles

Closures

With seal means biased by internal pressure

220306, B65D 5300

Patent

active

052420736

ABSTRACT:
This invention provides a closure cap and cap assembly for substantially gas-tight sealing engagement with a container closure having an opening therein circumscribed by a substantially smooth sealing surface thereon. The closure cap includes a sealing portion releasably engageable in surrounding gas-tight sealing relation with the sealing surface on the container closure. The sealing portion comprises elastic portions circumferentially spaced by a plurality of radially extending less elastic portions. The cap assembly of this invention may be anchored to the end wall of a container closure.

REFERENCES:
patent: 4580692 (1986-04-01), La Barge et al.

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