Soapstone sharpener

Details Soapstone sharpener Soapstone sharpener

1976-03-10

1978-01-03

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51391, B24D 1500

Patent

active

040658872

ABSTRACT:
A soapstone sharpener for providing a fine marking edge on the stone, the sharpener being comprised of an elongated member having facing legs forming a V-shape in cross section and having abrasive material secured on the inner faces of the legs to form inner abrading surfaces of V-shaped cross section. The soapstone is rubbed on the abrasive material within the V-shaped cross section to form the soapstone so as to be complementary to the V and have a fine marking edge.

REFERENCES:
patent: 1433855 (1922-10-01), Skreberg
patent: 1710589 (1929-04-01), Pearson
patent: 2238340 (1941-04-01), Poe
patent: 2262401 (1941-11-01), Meade
patent: 2559273 (1951-07-01), Brinkley
patent: 2795043 (1957-06-01), Fleischer
patent: 2961670 (1960-11-01), Frame
patent: 3114352 (1963-12-01), Mathisen
patent: 3776068 (1973-12-01), Pisciotta

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