Tamper-evident closure

Details Tamper-evident closure Tamper-evident closure

1983-10-13

1984-12-11

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

220270, B65D 1740

Patent

active

044873298

ABSTRACT:
A tamper-evident closure for a container comprises a center portion for overlying an open portion of a container, a seal portion, and a circumferential line of weakness surrounding the seal portion and defining a circumferential tear-strip. At least the tear-strip comprises deformable material. The tear-strip comprises a portion which creates a separation therein upon deformation when the closure is secured to a container. A method for applying the closure to containers is also disclosed.

REFERENCES:
patent: 2751102 (1956-06-01), Kihm
patent: 3257022 (1966-06-01), Robinson
patent: 3388827 (1968-06-01), Thanhauser et al.
patent: 3420397 (1969-01-01), Miller
patent: 3425592 (1969-02-01), Vogel
patent: 3465910 (1969-09-01), Richie
patent: 3514299 (1970-05-01), Thanhauser
patent: 3673761 (1972-07-01), Leitz
patent: 3773207 (1973-11-01), Dokoupil et al.
patent: 3812991 (1974-05-01), Wurl
patent: 4103803 (1978-08-01), Irvine
patent: 4113136 (1978-09-01), Abbott
patent: 4212409 (1980-07-01), Jeppson
patent: 4215797 (1980-08-01), Chen

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