Abrasive articles and methods of making and using same

Details Abrasive articles and methods of making and using same Abrasive articles and methods of making and using same

B - Operations, Transporting

24

D

B24D 3/28 (2006.01) B24D 3/34 (2006.01) B24D 11/00 (2006.01)

Patent

CA 2170990

An abrasive article is presented which includes a backing having a front and back surface, and an abrasive coating bonded to the front surface of the backing. The abrasive coating comprises a homogeneous mixture of a plurality of abrasive particles, a binder and a grinding aid. The binder serves to bond the abrasive coating to the backing and the grinding aid comprises at least 1 % by weight of the abrasive coating, but not more than 50 % by weight. It is preferred that the abrasive coating consists essentially of a plurality of precisely shaped abrasive composites. Methods of making and using the abrasive articles are also presented.

L'invention se rapporte à un article abrasif comprenant un support doté d'une surface supérieure et d'une surface inférieure, ainsi qu'un revêtement abrasif lié à la surface supérieure du support. Le revêtement abrasif comprend un mélange homogène d'une pluralité de particules abrasives, un liant et un adjuvant d'abrasion. Le liant sert à lier le revêtement abrasif au support et l'adjuvant à l'abrasion comprend au moins 1 % en poids du revêtement abrasif, mais pas plus de 50 % en poids. On préfère que le revêtement abrasif soit composé essentiellement d'une pluralité de composites abrasifs de forme très précise. L'invention concerne également des procédés de fabrication et d'utilisation des articles abrasifs.

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