Threaded cap and neck for a liquid container

Details Threaded cap and neck for a liquid container Threaded cap and neck for a liquid container

1975-07-18

1976-07-27

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215217, 215224, B65D 5502, B65D 8556, A61J 100

Patent

active

039714870

ABSTRACT:
A combination threaded cap and neck finish for a liquid container having mating threads on the cap interior and the exterior of the neck and also having second cooperating cam means on the cap and the container neck for applying downward thrust to the cap to maintain liquid tight sealing of the container neck even when the cap is rotated in the loosening direction through an angle relative to the container neck so as to disengage the downward thrusting surfaces of the mating threads. One embodiment of the invention also has child-resistant cooperating means preventing removal of the cap unless such means are disengaged by a separate and different manipulation.

REFERENCES:
patent: 3679084 (1972-07-01), Aronson
patent: 3894647 (1975-07-01), Montgomery
patent: 3896959 (1975-07-01), Roy

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