Easy opening container wall

Details Easy opening container wall Easy opening container wall

1974-06-19

1976-11-09

Larson, Lowell A.

113 15A, B21D 5144

Patent

active

039903761

ABSTRACT:
An easy opening container wall comprising a container wall of sheet material having a line of weakness therein defining a tear portion at least partially removable from the container wall. Removal of the tear portion provides a relatively sharp edge along the tear portion. A guard is provided along the periphery of the tear portion to protect the consumer from injury. The guard is interrupted adjacent the location at which the line of score is initially ruptured to facilitate such initial rupture. The outer periphery of the guard and the score line are configured and positioned relative to each other to minimize interference by the guard during the opening operation.

REFERENCES:
patent: 2017460 (1935-10-01), Hothersall
patent: 3434623 (1969-03-01), Cookson
patent: 3525455 (1970-08-01), Saunders
patent: 3696961 (1972-10-01), Holk, Jr.
patent: 3705563 (1972-12-01), Elser
patent: 3765352 (1973-10-01), Schubert et al.
patent: 3871314 (1975-03-01), Stargell

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