Container closure with a plastic liner having projections extend

Details Container closure with a plastic liner having projections extend Container closure with a plastic liner having projections extend

1995-02-17

1997-10-07

Garbe, Stephen P.

Bottles and jars

Closures

Frangible member or portion

215343, B65D 4134

Patent

active

056738099

ABSTRACT:
A container closure includes a plastic shell, and a liner molded by fluidizing a plastic material within the shell. Depressions are formed at circumferentially spaced positions at an upper end portion of the inner peripheral surface of the skirt wall. The depressions each have a circumferential length increased radially outwardly at least in part thereof. A plurality of projections are formed on the outer peripheral surface of the liner in correspondence with the depressions.

REFERENCES:
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patent: 1937000 (1933-11-01), Villanyi
patent: 3055526 (1962-09-01), Plunkett
patent: 3255907 (1966-06-01), Eddy
patent: 3520436 (1970-07-01), Vercillo
patent: 4209102 (1980-06-01), Dunn et al.
patent: 4664280 (1987-05-01), Whitney et al.
patent: 4666053 (1987-05-01), Corcoran et al.
patent: 4697716 (1987-10-01), Mumford
patent: 4709825 (1987-12-01), Mumford
patent: 4721221 (1988-01-01), Barriac
patent: 5004112 (1991-04-01), McBride
patent: 5285913 (1994-02-01), Morton

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