End structure for a can body and method of making same

Details End structure for a can body and method of making same End structure for a can body and method of making same

1979-02-02

1980-08-05

Shoap, Allan N.

Receptacles

Closures

With closure opening arrangements for means

113 15A, 113121C, 220 67, 220277, B21D 5144, B65D 4142

Patent

active

042157951

ABSTRACT:
An end closure for a composite can body wherein the closure has a circumferential weakening line formed therein to facilitate the removal of the central portion of the closure by a can opener wherein the weakening line is formed by an offset shearing operation.

REFERENCES:
patent: 1077742 (1913-11-01), Nichols
patent: 2071030 (1937-02-01), Fay
patent: 2119533 (1938-06-01), Fink
patent: 3073480 (1963-01-01), Henchert
patent: 3292826 (1966-12-01), Abplanalp
patent: 3362569 (1968-01-01), Geiger
patent: 3397809 (1968-08-01), Ellerbrock
patent: 3929251 (1975-12-01), Urmston
patent: 4027612 (1977-06-01), Herst

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