Closure means

Details Closure means Closure means

1972-03-16

1976-12-21

Price, William

Bottles and jars

Closures

Provided with means to purposely depress or contact...

215341, 215355, 215364, B65D 5126, B65D 5300

Patent

active

039983498

ABSTRACT:
A closure for fragile containers of gassy liquids having a depending volumetric member extending down into the interior of the container to displace free gas from within the container, thereby substantially reducing or completely eliminating the chance of an explosion should the container be broken. The member occupies a volume such that when the container is filled with a usual amount of liquid either all free gas is purged by introducing the member or a small volume of free gas is left not exceeding the amount by which the liquid will expand if heated to the highest temperature normally expected to be encountered in use. The member is either a hollow, flexible walled body or composed of a cellular foam so as to be compressible under liquid thermal expansion forces to relieve excess pressure on the container, or is a hollow body provided with a small opening to admit liquid under expansionary pressures. The container is sealed by the member either in cooperation or in unitary construction with a cap.

REFERENCES:
patent: 2582489 (1952-01-01), Krueger
patent: 2693892 (1954-11-01), Guinet
patent: 3247992 (1966-04-01), Exton

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