Method for testing the sharpness value of a cutting edge and app

Details Method for testing the sharpness value of a cutting edge and app Method for testing the sharpness value of a cutting edge and app

1983-06-09

1985-07-16

Swisher, S. Clement

Measuring and testing

Surface and cutting edge testing

G01M 1900, G01N 1908

Patent

active

045288437

ABSTRACT:
A device for testing sharpness value of a cutting edge which includes an elongated body of a material into which a properly sharpened edge only will bite when lightly slid therealong at a predetermined angle. A sharply angled ridge is provided at at least one end of the body of the device and may be lightly drawn and/or pushed along the cutting edge to check for nicks or other imperfections in the edge. The edge tester is preferably of unitary construction, with a test ridge at both ends, and manufactured of a polymeric material. A method of testing the cutting edge is also disclosed and claimed.

REFERENCES:
patent: 3931732 (1976-01-01), Heitlinger
patent: 4178797 (1979-12-01), Kozlowski
Strung, N., An Encyclopedia of Knives, J. B. Lippencott, Philadelphia & New York, 1976, p. 196.
Simmonds, T. G., Wood Carving, Bemrose & Sons, Ltd., London, p. 21.

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