Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1995-01-30
1996-12-31
Shoap, Allan N.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215217, 215218, 215219, 215220, 215329, 215330, 215331, 215305, 215252, B65D 5502
Patent
active
055885454
ABSTRACT:
A container neck and child-resistant closure for the neck are disclosed. The closure includes an inner part and an outer part, and castellations on the parts which mate when the outer part is displaced axially, to lock the parts together for rotation. A ratchet mechanism including ratchet ramps and cantilever leaf springs biases the inner and outer parts axially and rotationally apart, and allows relative rotation of the parts in one direction of rotation, when the castellations are not engaged. The angle through which outer part has to be turned to enable the castellations to be engaged may be less than 45.degree. and preferably less than 25.degree.. The closure may be moved between fully opened and closed positions by rotation through less than 360.degree. and preferably about 90.degree.. A tamper-evident ring, and a retaining means for retaining the closure in the closed position, may also be provided.
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Beeson and Sons Limited
Hylton Robin A.
Shoap Allan N.
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