Bottle cap

Details Bottle cap Bottle cap

1978-08-15

1980-03-11

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215272, 215307, 215354, B65D 4532

Patent

active

041924282

ABSTRACT:
A bottle cap which reliably seals a bottle at high and low temperatures and which nevertheless can easily be removed by hand without a tool. The cap is made of two parts: An outer cap member of hard plastic material and a sealing insert of soft plastic material. In the closed position the outer cap member is fixed against the inner sealing member by means of a detachable opening ring, which firmly holds the sealing insert clinging to the bottle opening.

REFERENCES:
patent: 2949205 (1960-08-01), Fitz
patent: 3630404 (1971-12-01), Guala
patent: 3905502 (1975-09-01), Wassilieff
patent: 3974932 (1976-08-01), Faulstich

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