Tamper indicating closure cap

Details Tamper indicating closure cap Tamper indicating closure cap

1981-08-17

1983-08-30

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

B65D 4134

Patent

active

044012276

ABSTRACT:
An integrally formed tamper indicating closure cap for use on a container having a locking shoulder on a neck thereof includes a top wall with a peripheral skirt depending therefrom. Positioned within slots formed in the skirt are tamper tabs having inwardly projecting lugs which engage the shoulder during removal of the cap from the container to thereby cause at least partial separation of the tabs from the cap so as to indicate that the container has been opened. In modified forms of the cap, the cap is manufactured with the lugs in outwardly projecting positions, the lugs subsequently being folded and locked into the inwardly projecting positions.

REFERENCES:
patent: 2698108 (1954-12-01), Schwartz
patent: 3231123 (1966-01-01), Heierle
patent: 3484012 (1969-12-01), White et al.
patent: 3673761 (1972-07-01), Leitz
patent: 3737064 (1973-06-01), Patel et al.
patent: 3805987 (1974-04-01), Horvath
patent: 4190169 (1980-02-01), Pehr
patent: 4308969 (1982-01-01), Heisler et al.

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