Abrasive roll and method of producing the same

Details Abrasive roll and method of producing the same Abrasive roll and method of producing the same

1989-07-14

1991-03-05

Dixon, Jr., William R.

Abrasive tool making process, material, or composition

Miscellaneous

51296, 51307, 51308, 51309, B24D 300

Patent

active

049974602

ABSTRACT:
A method of producing an abrasive roll comprises the steps of forming a mixture of substances such as abrasive grains, a bond, a temporary caking agent and a pore forming agent, molding the mixture into a body having a predetermined shape, and drying and then burning the body. The pore forming agent is constituted from a rice hull powder sieved to have a predetermined particle size, thereby enabling to produce an abrasive roll of high porosity which has pores having substantially ball-like shape and substantially uniform size and includes a bond having portions of high SiO.sub.2 concentration each adjacent to and surrounding one of the pores.

REFERENCES:
patent: 3416905 (1968-12-01), Waugh
patent: 4086067 (1987-04-01), Busch et al.
patent: 4494964 (1985-01-01), Ohlsson et al.

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