Receptacles – Closures – With closure opening arrangements for means
Patent
1974-12-26
1979-12-25
Lowrance, George E.
Receptacles
Closures
With closure opening arrangements for means
215317, 220306, B65D 4118, B65D 4110
Patent
active
041801784
ABSTRACT:
A container such as a bottle, vial or can has an enlarged lip surrounding a mouth opening, and a pliable closure which may be pressed down over the enlarged lip to secure the cap upon the container. The cap is integrally molded and comprises a top panel and peripheral skirt with an inward flange. The peripheral part of the cap including the outer portion of the top panel and the skirt is connected to a central flat area of the top panel by a circular hinge line located inside of the container mouth opening which permits relatively easy flexing at that point. To release the cap from the container, external downward pressure is applied by a person's thumb against the central flat area of the cap causing the hinge to flex and creating a pivot action between the hinge line and the outermost perimeter of the cap whereby the skirt moves upwardly over the enlarged lip of the container mouth opening. An enlargement of the container below the skirt of the closure prevents access to the bottom of the skirt such that the cap cannot be pried off from the container by any means other than described above.
REFERENCES:
patent: 3128016 (1964-04-01), Ferri
patent: 3170588 (1965-02-01), Lyon
patent: 3387749 (1968-06-01), Godshalk
patent: 3398847 (1968-08-01), Towns
patent: 3484016 (1969-12-01), Turner
Hamrick Claude A. S.
Lowrance George E.
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