Cutting tool having concentrically arranged outside and inside a

Details Cutting tool having concentrically arranged outside and inside a Cutting tool having concentrically arranged outside and inside a

1988-04-26

1989-07-04

Olszewski, Robert P.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51209R, 51 20, B24B 3300

Patent

active

048437662

ABSTRACT:
A cutting tool comprising a supporting base and an outside and an inside abrasive grain layer projecting concentrically from the supporting base in a radially spaced relationship, and a method for its production. The outside and inside abrasive grain layers are formed by electrodepositing abrasive grains on the supporting base and then dissolving part of the supporting base. The inner circumferential surface of the projecting portion of the outside abrasive grain layer and the outer circumferential surface of the projecting portion of the inside abrasive grain layer are smooth surfaces.

REFERENCES:
patent: 2133009 (1936-11-01), Ballash
patent: 3026655 (1962-03-01), Osenberg
patent: 3153885 (1961-10-01), Keller et al.
Accurate Diamond Tool Corp., Cat. #72, p. 11, Sep. '72.

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