Bottle stoppers or closures

Details Bottle stoppers or closures Bottle stoppers or closures

1983-04-13

1985-12-17

Norton, Donald F.

Bottles and jars

Closures

With pressure-responsive valve

215315, B65D 5116

Patent

active

045587957

ABSTRACT:
A bottle stopper has a head and stem having therethrough a continuous passage wherein is located a valve comprising a restriction in the head of passage and affording at the stem-remote side thereof a seat for a resiliently-loaded stop.
The valve is resiliently urged into a closed position but yieldable to open when pressure in the bottle to which it is fitted exceeds the resilient pressure. The head and stem are engageable, respectively, over the mouth and against the internal surface of the neck of a bottle when fitted to a bottle.

REFERENCES:
patent: 1363804 (1920-12-01), Mohn
patent: 2545233 (1951-03-01), Kaufman
patent: 3243071 (1966-03-01), Kimmel
patent: 4181233 (1980-01-01), Gouveia

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