END CLOSURE WITH TAB GUIDANCE FEATURES

摘要

An improved end closure for food and beverage containers is provided. The end closure contains a raised bead portion for guiding and directing the opening or lifting motion of a tab portion attached to the end closure. More efficient opening features are enabled by the guided action of the tab and raised bead features.

主权项

1. A metallic end closure adapted for interconnection to a neck of a beverage container, comprising:
a peripheral curl; a chuck wall extending inwardly from said peripheral curl; a countersink interconnected to a lower portion of said chuck wall; an inner panel wall interconnected to said countersink; a central panel interconnected to said inner panel wall; a tab having a nose end and a tail end, said tab operably interconnected to an upper surface of said central panel; said central panel comprising a frangible score line which defines a tear panel; said tear panel comprising a raised bead feature, said raised bead feature provided below a portion of said nose end of said tab at least when the tab is provided in a first position; and wherein during an opening operation of said tear panel said tail end of said tab is raised and a portion of said nose end of said tab contacts said raised bead feature, wherein said raised bead feature causes a rotation of said tab toward a lateral portion of the tear panel to initiate propagation of said frangible score line in a predetermined location.