An abrasive tool comprises a base and an abrasive powder bonded to the base in the form of a single-layer structure in which the particles do not substantially overlap or rest one upon another. For the bonding purpose the abrasive powder is either dispersed in a dilute solution of a binder resin and...http://www.google.se/patents/US4974373?utm_source=gb-gplus-sharePatent US4974373 - Abrasive tools