Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1988-06-10
1989-04-18
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215211, 215206, 215237, 215253, B65D 5502
Patent
active
048218987
ABSTRACT:
A hinged dispensing closure of unitary molded construction is disclosed which may be readily opened by an adult using one hand. A narrow slot of short length is molded near the periphery of the top wall of the snap-hinged cover cap opposite its hinged connection to the main closure. The sidewall of the cover cap includes axially extending parallel score lines from near its skirt edge to the ends of the slot to define a tab. Pressing by the thumb on the tab while holding the package in the same hand ruptures the scores and deflects the tab inwardly for ready access to an exposed edge of the formed slot; and pressure on the edge opens the cover cap. The deflected tab is held by an internal cam wall inwardly of the slot, which indicates that the package is opened when the tab is held in this deflected position. A second embodiment provides a hook and latch locking means between the main closure and cover cap opposite the hinge. This lock may be disengaged by the thumb for unlatching the cover cap by depressing its skirt wall at the hook and latch location and opening the cover cap with one hand. The main closure is threaded on the container. The main closure and container are provided with cooperating ratchet teeth to render the closure on the container a safety closure against accidental removal by children.
REFERENCES:
patent: 4723669 (1988-02-01), Barriac
patent: 4752013 (1988-06-01), Miller et al.
patent: 4759455 (1988-07-01), Wilson
patent: 4782964 (1988-11-01), Poore et al.
Hall George T.
Owens-Illinois Closure Inc.
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