Automatically sealing bottle stopper

Details Automatically sealing bottle stopper Automatically sealing bottle stopper

1980-01-14

1981-12-15

Norton, Donald F.

Bottles and jars

Closures

Closure pivoted about receptacle opening

222517, B65D 4116

Patent

active

043055150

ABSTRACT:
Disclosed herein is a bottle stopper for automatically sealing the pouring spout of a bottle which in a preferred form includes a liquid within the bottle that is carbonated. The stopper is suitably formed of a single piece of material including a capsule which overlies the bottle neck and its associated toroidal lip of the bottle, a lever operatively connected to the capsule by means of a resilient tongue, in which the lever is biased to normally provide a stopper connected at a terminal extremity of the lever into sealing engagement with the top portion of the capsule.

REFERENCES:
patent: 2312380 (1943-03-01), Bernhardt
patent: 2573378 (1951-10-01), Zurlinden
patent: 3028034 (1962-04-01), Freiman

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