Process for the production of spherical bonded abrasive from abr

Details Process for the production of spherical bonded abrasive from abr Process for the production of spherical bonded abrasive from abr

1977-11-18

1979-01-02

Arnold, Donald J.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51296, 51298R, B24D 332

Patent

active

041325338

ABSTRACT:
Spherical bonded abrasives, having a hollow core and comprising abrasive grain fused on the periphery of a thermoplastic carrier, are made by (1) heating thermoplastic support media, enveloped by abrasive grain, within the thermoplastic range for sufficient time to fuse the abrasive grain onto the surface and (2) cooling. Such spheres are useful in coated abrasive products, providing greater useful life for coated abrasive belts so made.

REFERENCES:
patent: 2947124 (1960-08-01), Madigan et al.
patent: 2986455 (1961-05-01), Sandmeyer
patent: 3684466 (1972-08-01), Petrone
patent: 3925034 (1975-12-01), Anna
patent: 3928949 (1975-12-01), Wagner

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