Container safety closure

Details Container safety closure Container safety closure

1978-05-02

1979-05-08

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215222, 220 85SP, B65D 5502, B65D 8556, A61J 100

Patent

active

041531728

ABSTRACT:
A container safety closure including a spring element in the form of a generally convoluted tubular plastic element preset to a stable condition, where its further compression response is determined by special tapering of the wall thickness and radii of the convolutions. The spring element biases a container closure member against a detent arrangement and the spring must be compressed to permit the closure member to be removed from the container.

REFERENCES:
patent: 3623623 (1971-11-01), Bauer
patent: 3968871 (1976-07-01), Briscoe
patent: 3974928 (1976-08-01), Domaracki et al.

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