Full open end

Details Full open end Full open end

1974-12-12

1976-06-22

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

B65D 4132

Patent

active

039646335

ABSTRACT:
The present invention relates to a easy open end of the type that has a tab connection thereto by an integral rivet. The invention resides in an improved method for forming a weakened area or frangible connection between the permanent section of the panel and the removable section. The frangible connection in the panel is formed in such a manner that the removable section is relieved of any compressive forces that may have developed during the formation of the frangible connection. In addition, the removable section of the panel incorporates a further area of reduced cross-section that allows the tab and rivet to be pivoted relative to the removable panel section during initiation of rupture of the frangible connection and provides a vent for the inside of the container prior to the rupture of the fangible connection.

REFERENCES:
patent: 3601279 (1971-08-01), O'Neill
patent: 3698590 (1972-10-01), Cookson
patent: 3712503 (1975-07-01), Zundel

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