Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1993-01-26
1994-03-08
Shoap, Allan N.
Bottles and jars
Closures
Having warning means or means impeding closure removal
215223, 215224, 215305, 215317, B65D 5502, B65D 4118
Patent
active
052920178
ABSTRACT:
A child resistant package includes a snap-on closure of rigid and stiff material on a container having a neck finish with an annular locking rib having at least one notch. The closure has a locking lug extending radially inwardly from its skirt in alignment in a fire position with the notch upon rotation of the closure to permit removal of the closure when in the fire position. A finger tab extends radially outwardly from the skirt in alignment with the locking lug, and the skirt has rib structure extending radially inwardly from the skirt circumferentially spaced from the locking lug. The locking rib and rib structure having coacting cams for resiliently expanding the skirt upon snap locking the closure to the neck finish and upon removal of the closure. The locking lug and the rib structure are interengaged with the locking rib upon snap locking and the rib structure becomes disengaged from the locking rib upon removal of the closure. The improvement comprises the provision of at least one non-frangible disruption in the skirt for permitting at least one segment of the skirt adjacent such disruption to flex from an initial unflexed position thereof radially outwardly and back to its initial position as the rib structure disengages from the locking rib upon the removal of the closure and as the rib structure engages the locking rib upon the snap locking of the closure to the neck finish.
REFERENCES:
patent: 3298415 (1967-01-01), Klygis
patent: 3519163 (1970-07-01), Bardell
patent: 3627160 (1992-12-01), Horvath
patent: 3980194 (1976-09-01), Costa
patent: 4071156 (1978-01-01), Lowe
patent: 4087016 (1978-05-01), Towns et al.
patent: 4375859 (1983-03-01), Fillmore
patent: 4534481 (1985-08-01), Summers et al.
patent: 4966294 (1990-10-01), Mack et al.
Calmar Inc.
Caretto Vanessa
Shoap Allan N.
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