Abrasive tool making process – material – or composition – Miscellaneous
Patent
1989-05-19
1990-06-05
Clingman, A. Lionel
Abrasive tool making process, material, or composition
Miscellaneous
51295, B24D 300
Patent
active
049302663
ABSTRACT:
Abrasive sheeting can produce fine finishes at surprisingly high cutting rates when its abrasive granules are individually positioned in a predetermined pattern, with an uncoated portion of virtually every granule protruding from the surface of the binder layer. Each of the abrasive granules preferably is a spherical composite of a large number of abrasive grains in a binder. For example, abrasive grains having a mean dimension of about 4 .mu.m can be bonded together to form spherical abrasive granules of virtually identical diameters, preferably within a range of from 25 to 100 .mu.m.
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Bruxvoort Wesley J.
Calhoun Clyde D.
Fleming Maurice J.
Foss George D.
Clingman A. Lionel
Francis Richard
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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