Closure assembly for a container and a key for opening

Details Closure assembly for a container and a key for opening Closure assembly for a container and a key for opening

1978-03-17

1979-10-30

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215296, 215302, B65D 5502, B65D 8556, A61J 100

Patent

active

041725328

ABSTRACT:
A closure assembly for a bottle or container which has a cylindrical neck portion and a lid with a skirt. The lid skirt is detachably fitted to the neck portion by cooperating beads on it and a cylindrical collar which is securely mounted on the neck portion by transverse members. The collar is disposed at a radial distance from the neck portion and encloses at least part of the skirt. The transverse members are adapted to cooperate in a camming manner with one or more projections on the skirt so that turning of the fitted lid relatively to the neck portion results in an axial displacement of the lid. The lid is constructed to be turned by an implement such as a T-shaped handle key or a coin. For this a slot can be provided disposed along a diameter. The inside of the lid can be formed with projecting wall members defining an inwardly closed cavity around the slot with shape of a narrow cylindrical section. The transverse members can be constituted by a transverse wall formed with one or more depressions at least partially defined by inclined wall members. Preferably four symmetric depressions uniformly spaced along the circumference of the neck portion are provided with the lid skirt having two diametrically opposed projections substantially complementary to the depressions.

REFERENCES:
patent: 3276612 (1966-10-01), Caldwell
patent: 3393815 (1968-07-01), Turecek
patent: 4056209 (1977-11-01), Winkler

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