Method of forming knife blades by photo-chemical etching

Details Method of forming knife blades by photo-chemical etching Method of forming knife blades by photo-chemical etching

1987-10-09

1988-12-27

Parker, Roscoe V.

Metal tools and implements, making

Blank or process

430320, B21D 3500

Patent

active

047932180

ABSTRACT:
A method of forming knife blades from a flat section of pre-hardened metal such that each blade has a predetermined shape, includes the steps of photo-chemically etching a plurality of blanks from the section of metal so that each blank has a respective predetermined shape; and sharpening at least one edge of each blank by grinding the at least one edge.

REFERENCES:
patent: 3696013 (1972-10-01), Tafapolsky
patent: 3916749 (1975-11-01), Armelin
patent: 4587202 (1986-05-01), Borysko
patent: 4713315 (1987-12-01), Smith

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