B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 11/04 (2006.01) B24D 18/00 (2006.01)
Patent
CA 2227613
A method for making an abrasive article having at least two abrasive coatings having different abrasive natures. The abrasive natures can differ, for example, by abrasive particle size, abrasive particle type, abrasive particle shape, filler, surfactant, or coupling agent. In another embodiment, the abrasive article can be a structured abrasive article comprising abrasive composites. In another aspect of the invention, the article can have a coating having a single abrasive nature, where the composites comprising the coating are free of abrasive particles.
La présente invention concerne un procédé de fabrication d'un article abrasif pourvu d'au moins deux revêtements abrasifs de différentes natures abrasives. Ces natures abrasives peuvent différer par exemple de par la taille des particules abrasives, le type des particules abrasives, la forme des particules abrasives, la matière de charge, l'agent tensioactif ou l'agent de couplage. Selon une autre réalisation, l'article abrasif peut être un article abrasif structuré comprenant des composites abrasifs. Selon une troisième réalisation de l'invention, l'article peut comporter un revêtement pourvu d'un abrasif d'une seule nature, auquel cas les composites constituant le revêtement sont exempts de particules abrasives.
Bange Donna W.
Culler Scott R.
Haas John D.
Liepa Mara E.
Stubbs Roy
Minnesota Mining And Manufacturing Company
Smart & Biggar
The Minnesota Mining & Manufacturing Company
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