Tamper-proof closure cap with self-removing ring

Details Tamper-proof closure cap with self-removing ring Tamper-proof closure cap with self-removing ring

1976-10-07

1977-12-13

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

B65D 4134

Patent

active

040624668

ABSTRACT:
A tamper-proof container closure cap is provided with a self-removing ring which breaks away from the cap in a strip as the cap is twisted open. Specifically, the cap is provided with a pawled ring which is split, frangibly attached to the cap adjacent each end, and free of engagement with the cap for a substantial distance in the direction opposing cap twist off. This structure effects removal of the ring from both the cap and the container as the cap is twisted off.

REFERENCES:
patent: 3504818 (1970-04-01), Crisci
patent: 3650428 (1972-03-01), Miller
patent: 3902621 (1975-09-01), Hidding

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