B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/34 (2006.01) B24D 3/00 (2006.01) B24D 3/28 (2006.01) B24D 11/00 (2006.01)
Patent
CA 2282687
The present invention is directed to a structured abrasive article that provides an enhanced cut rate and extended productive life when abrading mild steel workpieces. This abrasive article includes a backing having a surface that contains precisely shape abrasive composites. In this invention, the abrasive composites include a binder, abrasive particles, water-insoluble metal silicate particles and a coupling agent. The selection of the combination of these components or materials in an abrasive composite provides an abrasive article having an enhanced cut rate and extended productive life when used to abrade, finish or grind mild steel, particularly under wet conditions using water or water treated with rust inhibiting agents.
L'invention porte sur un article abrasif structuré à pouvoir de coupe amélioré et durée d'utilisation accrue lors de l'abrasion de pièces d'acier doux. Ledit article, qui comporte un substrat dont la surface est revêtue de composites abrasifs de forme précise, comprend un liant, des particules abrasives, des particules en particules de silicates métalliques hydroinsolubles, et un agent de couplage. La sélection de la combinaison de ces composants ou matériaux formant un matériau composite donne un article à pouvoir de coupe amélioré et durée d'utilisation prolongée lorsqu'utilisé pour l'abrasion, la finition eu le ponçage d'acier doux, et en particulier dans des conditions humides utilisant de l'eau éventuellement traitée par des agents anti-rouille.
Larson Eric G.
Stoetzel William L.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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