Tab for easy-open ecology end

Details Tab for easy-open ecology end Tab for easy-open ecology end

1978-01-30

1979-04-10

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

B65D 4132

Patent

active

041484100

ABSTRACT:
When the improved tab is lifted by its lifting end, its opening end ruptures a scored line defining a panel, and this opens the container. The tab is retained to the container by a flap extending from the opening end toward the lifting end and including an affixing portion which is riveted to the container. After the container has been opened, the lifting end of the tab is depressed toward the end of the container. In prior art tabs, flexing of the flap occurred at a first bending region adjacent the affixing portion during both the lifting and depressing motions. In contrast, in the present invention the flap is shaped to provide a second bending region adjacent the opening end, in addition to the first bending region adjacent the affixing portion. When the lifting end is lifted, the improved tab flexes in the first bending region, and when the lifting end is depressed, the improved tab flexes in the second bending region. In this manner the flexing is shared between the first and the second bending regions.

REFERENCES:
patent: 3977561 (1976-08-01), Strobe et al.
patent: 4039100 (1977-08-01), Wells

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