Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1977-06-29
1979-01-16
Hall, George T.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215211, 215214, B65D 5502, B65D 8556, A61J 100
Patent
active
041345134
ABSTRACT:
A child-resistant, safety closure for a container having a dispensing end including a threaded neck portion onto which the closure is adapted to be threadably assembled. The closure includes an interiorly threaded sidewall having a flexible and resiliently distensible distal end portion provided with at least one interlocking member on its interior surface adapted to automatically interlockingly engage at least one complementary interlocking member on the dispensing end of the container when the closure is in either a fully closed or in at least one additional, partially removed position on the container neck portion. Removal of the closure, requires manual compression of the flexible distal end of the sidewall; applied at locations straddling the interlocking members, coupled with concurrent retrogressive movement of the closure, which ordinarily must be repeated at each interlocking position of the closure, and, therefore, requires both manual dexterity and knowledgeable intent beyond the capability of young children or other persons of comparable capabilities. Moreover, as a further safety factor, the interlocking members are inaccessibly and unobservably secluded within the interior confines of the closure when it is interlocked on the container.
REFERENCES:
patent: 3888373 (1975-06-01), Gach et al.
patent: 3941268 (1976-03-01), Owens et al.
patent: 4004704 (1977-01-01), Hilaire
Dence Richard B.
Hall George T.
Holler E. J.
Owens--Illinois, Inc.
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