B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/34 (2006.01) B24D 3/28 (2006.01) B24D 11/00 (2006.01)
Patent
CA 2233470
A coated abrasive article comprised of a backing having a layer of grains adherently bonded thereto by a binding material, wherein the layer of grains comprises abrasive grains and nonabrasive composite grains, and the nonabrasive composite grains comprise inorganic nonabrasive particles bonded together by a binder selected from the group consisting of a metal salt of fatty acid, colloidal silica, and combinations thereof. The abrasive article has an unexpected abrading efficiency, performing equal to, or superior to, a coated abrasive article containing only abrasive grains. The invention also relates to a bonded abrasive article comprising the abrasive grains and nonabrasive composite grains adhered together.
Article abrasif sur support composé d'un support auquel est lié par adhésion une couche de grains à l'aide d'une matière de liaison, dans lequel la couche de grains comprend des grains abrasifs et des grains composites non-abrasifs, et les grains composites non-abrasifs comprennent des particules non-abrasives inorganiques liées ensemble par un liant choisi dans le groupe constitué d'un sel métallique d'acide gras, de silice colloïdale et de combinaisons de ceux-ci. L'article abrasif présente un rendement abrasif inattendu, égal ou supérieur à un article abrasif sur support contenant uniquement des grains abrasifs. L'invention concerne également un article abrasif lié comprenant les grains abrasifs et les grains composites non-abrasifs collés ensemble.
Harmer Walter L.
Ho Kwok-Lun
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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