Tamper-evident closure cap

Details Tamper-evident closure cap Tamper-evident closure cap

1984-03-30

1985-03-12

Pollard, Steven M.

Bottles and jars

Closures

Frangible member or portion

215258, 215330, B65D 4134

Patent

active

045039860

ABSTRACT:
A tamper-evident closure for sealing a package cooperates with a separately applied indicator ring, which is torn apart during the opening of the package, so that a portion of the indicator ring drops clear of the closure to indicate that the closure has been turned at least partially off of the package. The indicator ring has a lower mounting portion and an upper ratchet and indicating portion which is connected to the lower mounting portion of the ring by a series of frangible connectors which are ruptured as the cap is removed.

REFERENCES:
patent: 3968894 (1976-07-01), Herrmann
patent: 4278180 (1981-07-01), Willis
patent: 4337870 (1982-07-01), Keeler
patent: 4448318 (1984-05-01), Lowe
patent: 4461391 (1984-07-01), Davis

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