Patent ID: 6419573
Filing Date: 2002-07-16
Classification: B24D

Abstract:
A resilient flexible sanding sponge comprising:a backing layer of high tear strength felted foam having a major surface; a layer of abrasive particles distributed along said major surface external to said backing layer; and a layer of flexible adhesive material adhering said abrasive particles together and to said backing layer, said layer of flexible adhesive material including a minor portion of said layer of flexible adhesive material external to said backing layer and around said abrasive particles, and a major structurally sound inner portion of said layer of flexible adhesive material in the backing layer below said major surface, said minor portion of said layer of flexible adhesive material comprising meniscuses of the adhesive around the abrasive particles to hold them in place, thereby exposing a high percentage of the abrasive particles for contact with a surface to be abraded.