Container closure

Details Container closure Container closure

1991-08-14

1992-07-28

Marcus, Stephen

Receptacles

Closures

With closure opening arrangements for means

220266, 220268, B65D 1734

Patent

active

051334739

ABSTRACT:
Plastic container closures which are preferably injection molded through a centrally placed ingot are disclosed. The closures include a cover panel with a circumferential rim and a pouring opening which corresponds to only a portion of the area of the cover panel. The closure also includes an integral grip and a tearing denotation provided by a reduced thickness groove in the cover panel around the periphery of the portion of the cover panel which is to be removed and in which that groove extends from a point in the proximity of the circumferential rim towards a point displaced from the center of the cover panel at a location beyond the center with respect to the first point, and in which the reduced thickness groove is interrupted to provide a hinge for the portion of the cover panel to be removed subsequent to opening.

REFERENCES:
patent: 3281007 (1966-10-01), Dorosz
patent: 3373895 (1968-03-01), Arfert
patent: 3425591 (1969-02-01), Pugh, Sr.
patent: 3836038 (1974-09-01), Cudzik
patent: 4324342 (1982-04-01), Yamaguchi et al.
patent: 4576305 (1986-03-01), Saunders
patent: 4850503 (1989-07-01), Larsson

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