B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
219/61
B65H 35/06 (2006.01) B65D 83/08 (2006.01) B65H 35/00 (2006.01)
Patent
CA 1189032
SAFETY BLADE FOR SEVERING Abstract A severing blade comprising a plurality of spaced apart extended members, each of said extended members having a blunt upper edge extremity and at least one side-extended tooth with a piercing tip disposed below the blunt upper edge extremity and in the plane of the blade so that a stretchable film transversely pulled over the severing edge will be snagged on the side-projected teeth thereby causing a segment of the film to be severed.
415905
Hopley William G.
Union Carbide Corporation
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