Tamper-evident child-resistant closure

Details Tamper-evident child-resistant closure Tamper-evident child-resistant closure

1985-08-29

1986-07-08

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215258, B65D 5502

Patent

active

045988331

ABSTRACT:
A child-resistant, tamper-evident closure having nested inner and outer caps with ratchet teeth on the interfacing skirt walls of the respective caps to cooperate to fasten the closure onto the container, and ratchet teeth on the interfacing top walls of the respective caps for removal of the closure upon simultaneous application of torque and a downward force. The inner cap further includes a tamper-indicating ring depending from the lower edge of its skirt, the ring including a breakable connection for detachably securing the lower portion thereof to the inner cap skirt. A plurality of tabs extending upwardly and radially inwardly from the ring engage an annular shoulder on the container during the removal of the closure to break the ring away from the inner cap skirt.

REFERENCES:
patent: 3776407 (1973-12-01), Cistone
patent: 3863796 (1975-02-01), Roy
patent: 3926326 (1975-12-01), Grau
patent: 3968894 (1976-07-01), Herrmann
patent: 4165813 (1979-08-01), Babiol
patent: 4330067 (1982-05-01), Deussen
patent: 4470513 (1984-09-01), Ostrowsky
patent: 4474301 (1984-10-01), Davis
patent: 4506795 (1985-03-01), Herr
patent: 4546892 (1985-10-01), Couput

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