Abrasive tool making process – material – or composition – With inorganic material – Metal or metal oxide
Patent
1974-10-07
1976-08-31
Arnold, Donald J.
Abrasive tool making process, material, or composition
With inorganic material
Metal or metal oxide
264 56, 264 60, 264297, 264332, C04B 3116, C09C 140, C09K 314
Patent
active
039771326
ABSTRACT:
High strength abrasive products are prepared according to the following steps; (a) pouring a molten abrasive composition which takes a needle-like crystal structure upon freezing thereof into a mold set comprising two molds, one surface of said molds having hemisphere-like projections of the same size disposed regularly and closely to each other, the two molds being brought into contact with each other or to within 5 mm apart from each other in such a way that the projections of one mold surface fit into the cavities between the projections of the other, (b) subjecting the molten abrasive composition to cooling for freezing, (c) removing the frozen mass from the molds and (d) crushing the mass into abrasive grains.
REFERENCES:
patent: 1587462 (1926-06-01), Adams
patent: 3616157 (1971-10-01), Smith
patent: 3726621 (1973-04-01), Cichy
patent: 3781172 (1973-12-01), Pett et al.
patent: 3859407 (1975-01-01), Blanding et al.
patent: 3891408 (1975-06-01), Rowse et al.
patent: 3893826 (1975-07-01), Quinan et al.
Arnold Donald J.
The Japan Carlit Company, Ltd.
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