Severing by tearing or breaking – Severing by manually forcing against fixed edge – With housing for work supply
Patent
1982-03-15
1984-05-29
Yost, Frank T.
Severing by tearing or breaking
Severing by manually forcing against fixed edge
With housing for work supply
225 49, 225 91, 83175, B65D 85671
Patent
active
044509960
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.
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A Photocopy of a German Kitchen Knife Being Employed and Used in Europe.
O'Brien Cornelius F.
Union Carbide Corporation
Yost Frank T.
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