Bottles and jars – Closures – Cap type
Patent
1976-11-15
1978-10-03
Hart, Ro E.
Bottles and jars
Closures
Cap type
150 05, 215 10, B65D 4118
Patent
active
041179463
ABSTRACT:
A plastic cap has a closure wall positionable across a container neck opening, and an integrally formed skirt wall adapted to extend around the container neck. Projections are formed on the inner surface of the skirt wall and extend laterally of the skirt toward the neck. Elongated lug-like formations depend from the closure wall into the neck opening and bias portions of the container neck toward the skirt-carried projections to clamp neck portions against the projections, whereby the cap is securely releasably retained on the container neck. In preferred practice, the skirt-carried projections cooperate with neck-carried protrusions to provide snap-on, snap-off actions as the cap is pressed onto and removed from the container neck. Another preferred feature is the use of a specially configured upstanding formation on the top surface of the closure wall which not only facilitates nesting the container cap with a similarly configured recess formed in the bottom wall of the container, but also serves to maintain alignment between the labeled fronts of stacked, displayed containers.
REFERENCES:
patent: 2663450 (1953-12-01), Bourcart
patent: 3471052 (1969-10-01), Atkins
patent: 3825144 (1974-07-01), Wiedmer
patent: 3828962 (1974-08-01), Atkins
patent: 3843016 (1974-10-01), Bornhorst
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