B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
190/143
B65D 17/34 (2006.01) B65D 17/40 (2006.01) B65D 17/44 (2006.01)
Patent
CA 1312562
ABSTRACT OF THE DISCLOSURE A full-open end closure (27) with edge-protection for a peripherally-located scoreline (34) which defines the disc (31) to be removed. A back-scoreline (132) located within the removable disc co-acts with a longitudinally rigid (non-lanced) opener (30), made integral by a rivet (32) formed from sheet metal of such disc. A multilayer fold (40) of sheet metal in the removable disc shields the raw edge of ruptured residual peripheral scoreline metal which remains with such disc. The back scoreline central portion (160) is contiguous to and radially inward of such rivet and, a pair of legs (163, 164) extend on opposite sides of the rivet toward the adjacent portion of the peripheral scoreline such that rupture of the back scoreline legs tends to move the opener in a radial direction of the end wall closure. Such radially- directed movement of the opener is controlled, and the working end of the opener is turned inwardly, in relation to a container at a prescribed location with respect to the peripheral scoreline so as to facilitate ease of initial rupture. The remainder of the peripheral score- line is severed by continuing arcuate movement of the handle end of the opener which placed the handle end radially outboard of the container for lever action opening using the chime seam (170) as a fulcrum.
578885
Borden Ladner Gervais Llp
Isg Technologies Inc.
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