Tamper-evident closure

Details Tamper-evident closure Tamper-evident closure

1981-06-19

1983-04-05

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215250, B65D 4134

Patent

active

043788947

ABSTRACT:
A tamper-evident closure having a central disc end wall panel bonded to a sealing liner and connected to an annular end wall projecting inwardly from the closure skirt wall by at least two fracturable bridges. Removal of a closure of this invention after being applied to a container causes at least one of the bridges to fracture giving evidence that at least an attempt has been made to remove the closure.

REFERENCES:
patent: 1670450 (1928-05-01), Henry
patent: 2124874 (1938-07-01), Conner et al.
patent: 2131774 (1938-10-01), Waring
patent: 3695476 (1972-10-01), Ruekberg
patent: 4033472 (1977-07-01), Aichinger
patent: 4109815 (1978-08-01), Collins

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