B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
190/143, 113/27
B21D 51/00 (2006.01) B21D 51/44 (2006.01) B23K 26/00 (2006.01) B65D 17/34 (2006.01) F23Q 7/22 (2006.01)
Patent
CA 1224734
Abstract of the Disclosure 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 106 watts/inch2. Preferably, the welding is accomplished by laser welding.
442884
Elpatronic Ag
Robic Robic & Associes/associates
LandOfFree
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