Abrasive tool making process – material – or composition – Miscellaneous
Patent
1993-03-08
1994-04-19
Bell, Mark L.
Abrasive tool making process, material, or composition
Miscellaneous
51295, 51309, B24D 300
Patent
active
053042239
ABSTRACT:
A coated abrasive article comprising a backing bearing on at least one major surface thereof abrasive composites comprising a plurality of abrasive grains dispersed in a binder. The binder serves as a medium for dispersing abrasive grains, and it may also bond the abrasive composites to the backing. The abrasive composites have a predetermined shape, e.g., pyramidal. The dimensions of a given shape can be made substantially uniform. Furthermore, the composites are disposed in a predetermined array. The predetermined array can exhibit some degree of repetitiveness. The repeating pattern of a predetermined array can be in linear form or in the form of a matrix. The coated abrasive article can be prepared by a method comprising the steps of: (1) introducing a slurry containing a mixture of a binder and a plurality of abrasive grains onto a production tool; (2) introducing a backing to the outer surface of the production tool such that the slurry wets one major surface of the backing to form an intermediate article; (3) at least partially curing or gelling the binder before the intermediate article departs from the outer surface of the production tool to form a coated abrasive article; and (4) removing said coated abrasive article from the production tool.
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Soviet Engineering Research, vol. 9, No. 6 (1989) New York, pp. 103-106.
Heiti Robert V.
Holmes Gary L.
Mucci Michael V.
Olson Richard M.
Pieper Jon R.
Bell Mark L.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Thompson Willie J.
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