Receptacles – Closures – With closure opening arrangements for means
Patent
1982-12-08
1984-12-04
Gilden, Leon
Receptacles
Closures
With closure opening arrangements for means
413 14, F23Q 722
Patent
active
044859350
ABSTRACT:
An easy-open structure for containers and a method of forming the same are disclosed. The easy-open structure comprises a sheet material container wall panel having a scoreline formed therein outlining a movable wall portion to be moved out of conforming contour with the remainder of the sheet material wall panel, and an elongated tab opener for moving the movable wall portion out of conforming contour with the remainder of the wall panel. The tab opener is welded to the movable wall portion with a high energy density welding process wherein the energy density is at least on the order of 10.sup.6 watts/inch.sup.2. Preferably the welding is accomplished by laser welding.
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Gilden Leon
Stoffel Technologies Inc.
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