Patent ID: 6217433
Filing Date: 2001-04-17
Classification: B24B,B24D

Abstract:
A grinding wheel; comprising:(a) disk-like base means for mounting the grinding wheel and having a substantially planar base surface;(b) rim means extending from said disk-like base means and having a rim which lies in a plane parallel to and spaced from said base surface;(c) said rim surface having a rim surface area;(d) abrasive means comprising a plurality of abrasive pieces each having an abrasive piece surface area;(e) each said abrasive piece being secured to said rim surface to form an array of abrasive pieces so that said abrasive pieces are disposed upon said rim surface with open spacing therebetween all so as said array of abrasive pieces covers a selected area of said rim surface; and(f) said selected area comprising no more than eighty percent of said rim surface area and no less than sixty percent of said rim surface area.