Ceramic blades and production methodology therefor

Details Ceramic blades and production methodology therefor Ceramic blades and production methodology therefor

1990-05-18

1992-01-07

Watts, Douglas D.

Cutlery

Blades

Edge structure

3034653, 51285, B26B 902, B26B 2154, B24B 720

Patent

active

050779010

ABSTRACT:
A ceramic cutting blade includes a cutter portion having first and second side edges which converge at a distal acute angle to form a distal cutting tip and a cutting edge formed by first and second cutting faces oriented at a bevel angle. At least one of the cutting faces includes striations having a grain direction substantially perpendicular to the cutting edge, and these striations have a width of between 20 and 40 microns. The distal acute angle is preferably less than forty degrees, and the cutting tip is truncated along a straight line at an angle of truncation of at least forty degrees with respect to the cutting edge. The blade may be received by a handle or may be integrally molded with a handle portion.

REFERENCES:
patent: 3292478 (1966-12-01), Falk et al.
patent: 3349488 (1967-10-01), Craig
patent: 3514856 (1970-06-01), Camp et al.
patent: 3543402 (1970-12-01), Seager
patent: 3926601 (1975-12-01), Hicks, Jr.
patent: 4078338 (1978-03-01), Baughcom
patent: 4201599 (1980-05-01), Morgans
patent: 4330576 (1982-05-01), Dodd
patent: 4495698 (1985-01-01), Gerber, Jr.
patent: 4718200 (1988-01-01), Miquelot
patent: 4787146 (1988-11-01), Gaskins
Jensen 1987-1988 Catalog, Jensen Tools Inc. an AXIA Enterprise, located at 7815 S. 46th Street, Phoenix, AZ 85044-5399.

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