Porous sintered abrasive articles and method of manufacture

Details Porous sintered abrasive articles and method of manufacture Porous sintered abrasive articles and method of manufacture

1976-03-29

1978-04-25

Arnold, Donald J.

Abrasive tool making process, material, or composition

Pore forming

51298R, 51309R, B24D 334

Patent

active

040860671

ABSTRACT:
Improved abrasive articles and methods for manufacturing such articles are disclosed. The articles include porous abrasive grains and abrasive wheels formed from such porous abrasive grains. Non-porous grains are formed from a mixture of abrasive material and burn-out material. Porous grains are formed then by removal of burn-out material when the non-porous grains are fired to form sintered porous abrasive grains. Grinding wheels and the like are then formed from the sintered porous abrasive grains.

REFERENCES:
patent: 1984835 (1934-12-01), Kohl
patent: 2290876 (1942-07-01), Heany
patent: 2877103 (1959-03-01), Lane
patent: 3079243 (1963-02-01), Ueltz
patent: 3387957 (1968-06-01), Howard
patent: 3450515 (1969-06-01), Amero
patent: 3454385 (1969-07-01), Amero

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