Safety closure cap

Details Safety closure cap Safety closure cap

1974-11-08

1976-04-27

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

B65D 8556, B65D 5502, A61J 100

Patent

active

039528995

ABSTRACT:
A single piece, threaded safety closure cap for sealing the open end of a container. The closure thread is continuous and a locking shoulder is integrally formed along the upper surface of the thread for engagement with a corresponding locking shoulder disposed on the lower face of the container thread when the closure is in sealing position on the open end of the container to prevent removal of the closure by simple reverse rotation.

REFERENCES:
patent: 2776066 (1957-01-01), Thornton
patent: 3741421 (1973-06-01), Wittwer

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