Childproof, snap-on, twist-off safety cap and container

Details Childproof, snap-on, twist-off safety cap and container Childproof, snap-on, twist-off safety cap and container

1980-05-02

1981-11-03

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215217, 215318, B65D 5502

Patent

active

042981298

ABSTRACT:
A childproof safety screw cap and container having yieldable cap retainer means which are overcome, to effect cap removal, by a quarter-turn twist that produces a relatively large axial cap travel due to the provision of multiple screw thread elements thereon. The cap can be pushed straight on, accompanied by bypassing of the threads. The retainer means and the threads increase their interlock action if the cap is squeezed laterally, as by the act of a child applying its teeth to the cap. A shielding flange on the container defeats efforts to bite the cap under its bottom rim, and a bevelled top peripheral portion of the cap defeats its being gripped at the top, by the teeth.

REFERENCES:
patent: 3695475 (1972-10-01), Ruekberg
patent: 3923181 (1975-12-01), Libit
patent: 3955696 (1976-05-01), Finke

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