Opening means for oblong cans

Details Opening means for oblong cans Opening means for oblong cans

1986-10-01

1987-09-01

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

B65D 1734

Patent

active

046902970

ABSTRACT:
There is provided a tin lid for use with cans of oblong shape in Hansa format, which includes in its lid image section a tear-open portion defined by a self-contained recessed line capable of being broken up at one end of the lid by means of a pull-open ring attached to this end. At the other end, said recessed line includes a straight recessed line portion which extends in chordal-type fashion with respect to the core wall shaped like an arc of a circle and which is positioned perpendicular and symmetrically to the longitudinal lid center line and is further connected with the other recessed line components through an also chordal-type or polygonal recessed line connecting portion. This tear-open portion area defined by the polygonal arrangement of the recessed line, above all, is stiffened by a group of like and completely uniformly distributed beads, which are further associated with the chordal-type recessed line portion in predetermined manner, to so ensure the tear-open portion's final separation from the remaining lid section virtually without any remarkable capacity of the lid image section to undergo spring movement itself.

REFERENCES:
patent: 3478918 (1969-11-01), Zundeh
patent: 3591037 (1971-07-01), Schrecker et al.
patent: 3653536 (1972-04-01), Schrecker
patent: 3682350 (1972-08-01), Baugh et al.
patent: 3735892 (1973-05-01), Kinkel
patent: 4593834 (1986-06-01), Hoft et al.

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