Patent ID: 7044989

Claim:
A method of making an abrasive product, said method comprising: a. providing a substantially horizontally deployed flexible backing having a first surface bearing an at least partially cured primer coating and an opposite second surface; b. providing a dry flowable particle mixture comprising abrasive particles and particulate curable binder material; c. depositing a plurality of temporary shaped structures comprising said particle mixture on the at least partially cured primer coating of the first surface of the backing; d. softening said particulate curable binder material to provide adhesion between adjacent abrasive particles and provide deformable structures having a distal end spaced from the backing and an attachment end adhered to the primer coated backing; e. embossing the distal ends of said deformable structures to provide a pattern of raised areas and depressed areas; and f. curing the softened particulate curable binder material to convert said temporary shaped structures into permanent shaped structures and cure the at least partially cured primer coating on the first surface of the backing.