Two piece container closure assembly with frangible inner closur

Details Two piece container closure assembly with frangible inner closur Two piece container closure assembly with frangible inner closur

1998-01-27

1999-09-07

Cronin, Stephen K.

Receptacles

Closures

Superposed closures for common opening

220278, 222 83, 2225412, 2225415, 2225418, B65D 1744

Patent

active

059473150

ABSTRACT:
The closure assembly includes: a container having an access opening; an inner closure with a rim attached to the container, a central portion covering the access opening, a weakened portion in the central portion, and a separably interlocking portion in the central portion, as a threaded portion; a removable closure covering the inner closure and separably interlocking the inner closure; whereby twisting the removable closure as by threading action on the inner closure breaks the inner closure at the weakened portion and opens the container. Also discloses a method for opening a closure assembly.

REFERENCES:
patent: 3787547 (1974-01-01), Stephan
patent: 5325976 (1994-07-01), Valyi et al.
patent: 5562226 (1996-10-01), Valyi et al.
patent: 5704501 (1998-01-01), Valyi

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