Easy-open ecology end

Details Easy-open ecology end Easy-open ecology end

1976-03-24

1977-04-05

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

B65D 4132

Patent

active

040157440

ABSTRACT:
An improved easy-opening end structure for use with a container includes a retained tab and a captured panel which is also retained. The end structure includes a scoreline of defining a pour opening formed by fracture of the scoreline to release a downwardly dished panel formed by the scoreline. The tab is affixed to the end, other than to the dished panel and includes an opening end positioned over a bead on the panel, and a lifting end spaced from the panel. As the lifting end is raised, the portion of the scoreline between the opening end of the tab and the attachment is popped and thereafter the opening end bears against the panel as the tab is raised further to complete progressive rupture of the scoreline by essentially a class 1 lever action and to push the panel downwardly and laterally through the formed opening. The panel may be hinged or fall free into the container.

REFERENCES:
patent: 3836038 (1974-09-01), Cudzik
patent: 3880318 (1975-04-01), Fraze
patent: 3967752 (1976-07-01), Cudzik

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