One piece child resistant cap

Details One piece child resistant cap One piece child resistant cap

1979-12-28

1981-06-02

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215217, 215330, B65D 5502

Patent

active

042706645

ABSTRACT:
One piece child resistant cap for containers. A container has a neck with a thread on its external surface. A first group of teeth is arranged in a line on said neck below the lower end of said thread. A second group of teeth is arranged in a line on said neck opposite said first group of teeth. A cap of flexible material having a cap thread engages the container thread. A third group of teeth on the inside of the lower portion of the cap is spaced below the cap threads. A fourth group of threads on the inside of the lower portion of the cap is located opposite the third group of teeth. Whereby when the cap is screwed on to the container, the cap teeth will engage the container teeth so that the cap cannot be unscrewed in conventional manner and so that the cap must be squeezed to release the engagement of the cap teeth and the container teeth. All the cap teeth and the container teeth are located along a spiral parallel to the thread whereby the cap may be tightly closed to eliminate leakage if the container is tipped over.

REFERENCES:
patent: 3984021 (1976-10-01), Uhlig
patent: 3993209 (1976-11-01), Julian

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