Patent ID: 6923840

Claim:
A method of making an abrasive article, said method comprising the following steps: a. applying a curable barrier coating over a first major surface of an open cell foam backing which also has un opposite second major surface; b. curing said curable barrier coating to provide on said first major surface a foraminous barrier coating having openings therethrough corresponding to openings in said open cell foam; c. applying a coating composition comprising a curable binder and abrasive particles over said foraminous barrier coating; d. imparting a textured-surface to the coating composition applied in step c with a production tool that has a textured surface which is the inverse of the textured surface of the abrasive coating; e. at least partially curing the binder; and f. separating the production tool from the textured surface to provide said shaped foraminous abrasive coating characterized by having openings there through corresponding to at least some of the openings in the open cell foam.