Side-pivoting frangible opening for container end wall

Details Side-pivoting frangible opening for container end wall Side-pivoting frangible opening for container end wall

1992-03-27

1993-03-02

Shoap, Allan N.

Receptacles

Closures

With closure opening arrangements for means

B65D 1734

Patent

active

051901498

ABSTRACT:
A tear tab closure for forming an opening in a container end wall, in which the tear tab remains external of the container and captive thereon when it is opened, and further wherein the tear tab is constructed so that there are no recesses for collecting foreign matter. The tear tab is separable from the container end wall along a frangible score line to form the opening, and an actuating tab is attached to the end wall adjacent the tear tab to engage the tear tab and lift it relative to the end wall to fracture the score line. The actuating tab includes a first portion that engages the end wall adjacent the score line to initiate fracture of the score line and move the end wall relative to the tear tab so that an edge portion of the tear tab is exposed above the plane of the adjacent end wall, and a second portion that engages beneath the edge of the tear tab to progressively fracture the score line and fold the tear tab back away from the end wall as the actuating tab is pivoted about its point of attachment with the container end wall.

REFERENCES:
patent: 3216609 (1965-11-01), Bogert
patent: 3294275 (1966-12-01), Mileto et al.
patent: 3967753 (1976-07-01), Cudzik
patent: 3970212 (1976-07-01), Brown
patent: 4055275 (1977-10-01), Gontar
patent: 4125203 (1978-11-01), Sovari et al.
patent: 4301940 (1981-11-01), Cvacho
patent: 4576304 (1986-03-01), Henning
patent: 4605141 (1986-08-01), Won
patent: 4705186 (1987-11-01), Barrash
patent: 4848623 (1989-07-01), Saunders et al.

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