Screw closures for containers

Details Screw closures for containers Screw closures for containers

1991-03-07

1992-04-14

Garbe, Stephen P.

Bottles and jars

Closures

Cap type

215252, 215276, 215331, B65D 4104

Patent

active

051039915

ABSTRACT:
A screw closure for a container has a metal body shell (30) into which a plastics moulding (44) is snap-engaged. The moulding provides a screw thread (52) for the closure; in addition, it extends below the body shell to provide a security ring (50) which is attached by rupturable bridges (62). Relative rotation of the moulding and body shell when the closure is being fitted onto a container is prevented by teeth (58) formed around the top edge of the moulding, which deeply indents the sealing gasket (38) of the body shell.

REFERENCES:
patent: 2009666 (1935-07-01), Keith
patent: 3603472 (1971-09-01), Lecinski, Jr. et al.
patent: 3857507 (1974-12-01), Lecinski, Jr.
patent: 4694970 (1987-09-01), Hayes
patent: 4813561 (1989-03-01), Ochs
patent: 4981230 (1991-01-01), Marshall et al.

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