Safety closure

Details Safety closure Safety closure

1984-11-16

1985-11-26

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215203, B65D 5502

Patent

active

045550360

ABSTRACT:
A safety closure, particularly safe in the hands of children, to safely close containers composed of an assembly of an inner cap and an outer cap, the inner cap provided with threading for screwing onto the mouth of a container. The outer cap can be depressed over the inner cap against a resilient force provided by lips coating with a conical surface. When depressed, teeth on the outer cap mesh with teeth on the inner cap to effect unscrewing of the closure. A ratchet provided by teeth on the inner cap cooperating with tangential protrusions on the outer cap enable onscrewing of the closure but prevent offscrewing.

REFERENCES:
patent: 3776407 (1973-12-01), Cistone
patent: 3887099 (1975-06-01), Gillman et al.
patent: 4446979 (1984-05-01), Gach et al.

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