Method of manufacturing connected particles of uniform size and

Details Method of manufacturing connected particles of uniform size and Method of manufacturing connected particles of uniform size and

1975-05-14

1981-04-14

Arnold, Donald J.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51308, 264 62, B24D 1102

Patent

active

042617065

ABSTRACT:
Plastically formable material, which may be formed under pressure into desired shapes, is fed while in a fluid or plastically formable condition to a pair of cooperating surfaces which are relatively movable into compressive relationship with material disposed therebetween. The face of at least one of such surfaces is patterned with a plurality of juxtapositioned geometrical impressions of desired size and shape so as to form a ribbon or sheet of uniformly sized and shaped particles from the plastically formable material supplied to the cooperating surfaces. The uniform particles are initially joined together by thin web or edge portions which maintain the continuity of the newly formed particles within a sheet form. However, after the ribbon of newly formed particles has become sufficiently rigid, such as through the cooling of a molten thermoplastic material or the drying or firing of a green ceramic material from which such ribbon may be formed, the ribbon may then be flexed in various directions to separate the particles along the edge or web portions, thus providing a plurality of individual particles having substantially uniform size and shape.

REFERENCES:
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patent: 2455509 (1948-12-01), Luaces
patent: 2464746 (1949-03-01), Gering
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patent: 3670467 (1972-06-01), Walker
patent: 3859407 (1975-01-01), Blanding et al.

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