Lap cutting blades

Details Lap cutting blades Lap cutting blades

1978-04-19

1979-07-17

Hinson, Harrison L.

Stone working

Sawing

Reciprocating

B28D 100, B28D 108

Patent

active

041611675

ABSTRACT:
Lap cutting blades are provided which are useable for the multiple lap cung of solid materials, such as semiconductorrods. The blades each have a generally rectilinear cutting edge, the length of which is 1-75 times the thickness of the blade, as measured at its cutting edge. The cutting edge of each blade has rectilinear edge portions separated by a plurality of notched edge portions which, in turn, define a plurality of recesses which encompass 5 to 25% of the total blade length and 5 to 40% of the effective operating length of the blade. The notched blade edge portions define a notch angle of between 20 and 80 degrees, as measured between the tangent thereto at its point of intersection with the rectilinear cutting edge portion and a line perpendicular to the rectilinear cutting edge portion.

REFERENCES:
patent: 791157 (1905-05-01), MacNutt
patent: 3176675 (1965-04-01), Bomba

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