Cutting – Tool or tool with support – Cutting couple type
Patent
1985-08-30
1986-10-28
Watts, Douglas D.
Cutting
Tool or tool with support
Cutting couple type
30231, B26D 100
Patent
active
046191682
ABSTRACT:
A cutting mechanism adapted for paper can be formed from sheet metal and cooperate with an anvil having a straight edge wherein the blade has the cutting surface which tapers toward the opposite edge of the blade and the metal is bent from the plane of the blade along the tapered edge at a progressively greater angle.
REFERENCES:
patent: 1326460 (1919-12-01), Lorenz
patent: 3039343 (1962-06-01), Richards
Barnes John C.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
Watts Douglas D.
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