Balloon-type bottle sealer

Details Balloon-type bottle sealer Balloon-type bottle sealer

1989-09-19

1990-10-02

Norton, Donald F.

Bottles and jars

Closures

Closure expands responsive to internal receptacle pressure

215100R, B65D 3912

Patent

active

049602179

ABSTRACT:
A bottle sealer includes a telescopic expansible hollow extension of a balloon shape formed on a disk portion of the sealer sealed in a bottleneck, and in fluid communication with a liquid filled in a bottle so that when the bottle filled with a liquid or water is subjected to a freezing temperature to become ice, the balloon extension may serve as a buffer for absorbing the volume expansion due to a conversion of water into ice.

REFERENCES:
patent: 387466 (1888-08-01), Watson
patent: 2034739 (1936-03-01), Bodor
patent: 2040798 (1936-05-01), Schoonmaker
patent: 3402844 (1968-09-01), Chin

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