Tamper evident plastic closure

Details Tamper evident plastic closure Tamper evident plastic closure

1994-10-31

1996-01-30

Shoap, Allan N.

Bottles and jars

Closures

Frangible member or portion

215344, B65D 3900

Patent

active

054874815

ABSTRACT:
A tamper evident plastic closure for containers and the like. The closure has a top portion and a depending annular skirt portion with a annular ring attached to the closure by a plurality of frangible elements. The annular ring includes a plurality of circumferentially spaced radially inwardly extending projections arranged for registration with a locking flange on the associated container for separation of the annular ring from the closure skirt upon removal of the closure indicating tampering thereto.

REFERENCES:
patent: 4143785 (1979-03-01), Ferrell
patent: 4505401 (1985-03-01), Berglund
patent: 4613052 (1986-09-01), Gregory et al.
patent: 4664278 (1987-05-01), Barriac
patent: 4828127 (1989-05-01), Young et al.
patent: 4846361 (1989-07-01), Haffner
patent: 4971212 (1990-11-01), Kusz
patent: 5004112 (1991-04-01), McBride
patent: 5131550 (1992-07-01), Thompson
patent: 5137163 (1992-08-01), Moore
patent: 5215204 (1993-06-01), Beck et al.
patent: 5242068 (1993-09-01), McCandless
patent: 5356020 (1994-10-01), Thompson

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