Minnesota Mining and Manufacturing Company

3m Innovative Properties Company

Chong S Lee

Scott J Buchanan

Peter Joseph Fritz

James W Malaske

Abrasive article including a backing plate. Backing plate has a first major surface and a second opposite major surface. A central aperture extends through backing plate. An abrasive layer is secured to the first major surface of backing plate. A fastener is press fit to backing plate so as to define the central aperture.

Abrasive article

A coated abrasive product having a coating comprising a composition formed from an epoxy resin that is capable of being coated from water, a curing agent, and a grinding aid dispersed in the epoxy resin. It is preferred that the coat containing the epoxy resin and the grinding aid be the outermost coat of the coated abrasive product, e.g. the size coat or supersize coat, in order to position the grinding aid in direct contact with the workpiece being abraded.

Coated abrasive having an overcoating of an epoxy resin coatable from

A coated abrasive article having a coating comprising a composition formed from an epoxy resin that is capable of being coated from water, a curing agent, and optionally a grinding aid dispersed in the epoxy resin. It is preferred that the coat containing the epoxy resin and the grinding aid be the outermost coat of the coated abrasive article, e.g. the size coat or supersize coat, in order to position the grinding aid in direct contact with the workpiece being abraded.

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Woodbury, MN, United States of America

Chong S Lee