Cushioned abrasive articles, and method of manufacture

Details Cushioned abrasive articles, and method of manufacture Cushioned abrasive articles, and method of manufacture

1982-09-30

1985-03-12

Derrington, James

Abrasive tool making process, material, or composition

With synthetic resin

51109R, 51285, C08G 512

Patent

active

045042837

ABSTRACT:
Extremely fine abrasive particles are incorporated in an elastomeric resin body or coating to produce abrasive articles exhibiting cushioned or resilient yielding qualities having a dual response to in-service conditions. These performance characteristics are accomplished by a structure whose working surface and underlying supporting means produce two distinct and complementary abrading actions, one hard enough to sharpen a hardened cutting tool and to smooth the adjacent surface, and a second of being virtually simultaneously micro-deformable, via the mechanisms of cold flow, at or near maximum or optimum sharpening pressure. Such abrasive articles allow limited local displacement of a volume of the abrasive surface layer in a continuous wave to lift the surface at the tool edge to a height slightly beyond the plane of the edge being sharpened to "wipe" and so refine the extreme edge of the cutting tool and to remove the "wire-edge" as only athree-dimensional form of contact will accomplish. The articles of this invention are particularly suited to the performance of honing, stropping and lapping operations.

REFERENCES:
patent: 2885276 (1959-05-01), Upton
patent: 3377411 (1968-04-01), Charvat
patent: 3551125 (1970-12-01), Hallewell
patent: 3605349 (1971-09-01), Anthon
patent: 3631638 (1972-01-01), Yoshikawa
patent: 3829298 (1974-08-01), Ainoura
patent: 3840357 (1974-10-01), Shimizu
patent: 4128972 (1978-12-01), Charvat

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