Metal screw closures for packaging containers

Details Metal screw closures for packaging containers Metal screw closures for packaging containers

1991-04-05

1993-03-02

Shoap, Allan N.

Bottles and jars

Closures

Frangible member or portion

B65D 4134

Patent

active

051901773

ABSTRACT:
A screw closure is associated with a container mouth and is defined by a metal closure body having a closure panel and a peripheral skirt which extends to an inwardly and upwardly directed curl terminating in a free edge. An annular shoulder of the peripheral skirt cooperates with the curl to captively retain therebetween an upper portion of a plastic security ring joined to a lower portion by a line of weakening with the lower security ring portion being prevented from rotating relative to an associated container neck. The terminal end of the curl is seated in a recess of the security ring upper portion in deforming engagement therewith.

REFERENCES:
patent: 4503986 (1985-03-01), Nixdorff et al.
patent: 4511053 (1985-04-01), Brandes et al.
patent: 4560076 (1985-12-01), Boik
patent: 4694970 (1987-08-01), Hayes
patent: 4746026 (1988-05-01), Leonhardt
patent: 4875594 (1989-10-01), Ochs
patent: 4989740 (1991-02-01), Vercillo

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