Bottles and jars – Closures – Stopper type
Patent
1977-10-03
1978-08-22
Norton, Donald F.
Bottles and jars
Closures
Stopper type
B65D 3918
Patent
active
041083253
ABSTRACT:
A watertight device for stoppering a bottle, in which a ring, made of flexible matter, is located in a groove or grooves of the stopper stem, the groove or grooves being formed partly with a notched surface, and partly with a smooth and circular external surface. The ring has corresponding mating, notched and smooth surfaces.
REFERENCES:
patent: 1989218 (1935-01-01), Villanyi
patent: 3172555 (1965-03-01), Honnorat
patent: 3599820 (1971-08-01), Lee
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