Front opening easy-opening end closure with vent

Details Front opening easy-opening end closure with vent Front opening easy-opening end closure with vent

1976-10-21

1977-08-23

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

B65D 4132

Patent

active

040434796

ABSTRACT:
An improved front opening easy-open end closure wherein the opening flap is formed with an auxiliary score line rupturable to form a vent opening, and the pull tab is provided with an auxiliary rupturing member comprising a panelwardly directed protrusion, superposed in relation to the auxiliary score line and arranged such that displacement of the tab to open the flap results in prior rupture of the auxiliary score line and venting of the container.

REFERENCES:
patent: 3593875 (1971-07-01), Fraze
patent: 3618815 (1971-11-01), Heffner

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