Tamper-evident container closure

Details Tamper-evident container closure Tamper-evident container closure

1996-08-21

1998-01-27

Cronin, Stephen

Bottles and jars

Closures

Frangible member or portion

215251, 215258, 220255, 220256, B65D 4148

Patent

active

057114439

ABSTRACT:
A tamper-evident closure for a container includes an outer tamper-evident cap engagable over an inner container sealing cap which may form part of the tamper-evident closure or part of the container, cap retaining prongs on the outer cap which permit placement of the outer cap on the container neck over the sealing cap but prevent upward removal of the outer cap from the container, a tear strip for severing the outer cap between its upper and lower ends to permit upward removal of the upper portion of the outer cap from the container, and a circumferential rupture line along which the outer cap separates to evidence tampering if an attempt is made to forcibly remove the outer cap from the container without tearing the tear strip from the outer cap.

REFERENCES:
patent: 2326480 (1943-08-01), Merolle
patent: 2806620 (1957-09-01), Blanch
patent: 3750821 (1973-08-01), Sourbet et al.
patent: 3901403 (1975-08-01), Menke
patent: 4109816 (1978-08-01), Faulstich
patent: 4205755 (1980-06-01), de Wijn
patent: 4595110 (1986-06-01), Herr
patent: 4597500 (1986-07-01), Stubbs
patent: 4863050 (1989-09-01), Perry

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