Closure device

Details Closure device Closure device

1984-07-06

1985-06-25

Pollard, Steven M.

Receptacles

Closures

Removable closure guided in rotary movement

604415, 222 83, A61J 100

Patent

active

045248800

ABSTRACT:
A closure device for fluid-tight closure of an opening of a fluid container. The device comprises a casing part (1) and a cap part (2). These parts are injection molded from different plastic materials, preferably from PVC and polypropylene, respectively, one partially against the other. A tubular portion (12) of the cap part (2) intrudes sealingly into a substantially cylindrical hollow space between an internal and an external sleeve portion (3,4) of the casing part (1).

REFERENCES:
patent: 3149755 (1964-09-01), Porter et al.
patent: 3664338 (1972-05-01), Knox et al.
patent: 3978859 (1976-09-01), Goodenough et al.
patent: 3986508 (1976-10-01), Barrington
patent: 4331147 (1982-05-01), Armstrong
patent: 4445896 (1984-05-01), Gianturco

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