Method of making a flexible resilient abrasive

Details Method of making a flexible resilient abrasive Method of making a flexible resilient abrasive

1971-08-13

1977-07-26

Arnold, Donald J.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51296, 51298A, B24D 332

Patent

active

040380475

ABSTRACT:
A resilient, controlled-density, porous, abrasive material is manufactured having a backing member which in the preferred embodiment is a foam layer of a plurality of discrete resilient particles of varying degrees of compressibility. The backing member is provided from a larger body of foam material reconstituted from particulate foam. The surface of the backing member, on which is coated an abrasive grain - binder adhesive slurry, is subjected, prior to the coating of the slurry on the particulate foam layer, to the action of a plurality of rapidly moving small abrasive particles whereby a relatively non-compressive shearing of the foam surface is effected to condition it for reception of abrasive grains and associated binder adhesive and to produce a uniform thickness of the porous abrasive grain support.

REFERENCES:
patent: 2536183 (1951-01-01), Jamieson
patent: 2780533 (1957-02-01), Hurst
patent: 3281259 (1966-10-01), Lux et al.
patent: 3281513 (1966-10-01), Stripp et al.
patent: 3401490 (1968-09-01), Mora

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