Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1990-08-09
1992-08-04
Dixon, Jr., William R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51298, 51307, 51308, 51309, B24B 100
Patent
active
051355469
ABSTRACT:
An abrasive tape comprises a flexible substrate and an abrasive layer, which is overlaid on the flexible substrate and which is primarily constituted of abrasive grains and a binder. The abrasive grains are composed of first abrasive grains and second abrasive grains. The first abrasive grains and the second abrasive grains are constituted of at least one type of angular grains which are selected from the group consisting of Cr.sub.2 O.sub.3, SiC, and Al.sub.2 O.sub.3, and which are obtained from a pulverizing process. The mean grain diameter of the first abrasive grains falls within the range of 6 .mu.m to 9 .mu.m. The mean grain diameter of the second abrasive grains falls within the range of 4 .mu.m to 6 .mu.m. The binder is contained in a proportion falling within the range of 10% by weight to 30% by weight with respect to the abrasive grains. A 40% by weight to 65% by weight portion of the binder is constituted of a polyisocyanate.
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Inoue Mitsuo
Sato Masami
Dixon Jr. William R.
Fuji Photo Film Co. , Ltd.
Thompson Willie J.
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