Norton Company

Gary J Kardys

Robert G Kelly

Ralph Bauer

William F McCutcheon

Wendy A Herrick

Gregg M Bosak

Constantinos Caracostas

Coated abrasive materials can be made from a substrate and, adhered to the substrate by a maker coat, weak shaped abrasive grits with, interspersed between the abrasive grits, a plurality of non-abrasive particles that are smaller than the abrasive grits which serve to raise the level of a size coat applied over the maker coat and abrasive grits such that the abrasive grits are anchored over a greater part of their length without the need for the application of a large volume of size coat and such that a grinding adjuvant included in the topmost coat is located adjacent the tips of the abrasive grits which perform the grinding when the coated abrasive is in use.

Abrasive products

Coated abrasive materials can be made from a backing material with abrasive particles adhered to the backing through an orienting layer in the form of a mesh of a size and dimensions to ensure that the orientation of the grits substantially perpendicular to the coating material is maintained.

Composite abrasive wheels having shaped abrasive grits bonded to a fibrous substrate are more effective than their counterparts with irregularly shaped grain, especially at finer grit sizes.

Composite abrasive products

Coated abrasive materials can be made from a backing material and abrasive elements which comprise abrasive particles adhered to a rigid base material, said elements being rigidly adhered to the backing material in a predetermined pattern.

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Wynantskill, NY, United States of America

Gary J Kardys