Receptacles – Closures – With closure opening arrangements for means
Patent
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
Dittmann William A.
Hall George T.
Kerwin Joseph E.
Kowalik John J.
The Continental Group Inc.
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