| 摘要 |
A flexible abrasive member comprising a first porous layer of mesh, non-woven or perforated sheet, conductive or non-conductive material to which at one side deposits are deposited by way of any metal plating technique of either the electrolytic, electroless or vacuum deposition type, or any galvanic process, abrasive particles being embedded in the metal deposits, a layer of filling material, such as a resin, being present between the deposits which filling material is bonded to said first porous layer and/or the deposits, and at least a second porous layer of mesh, non-woven or perforated sheet, conductive or non-conductive material being present and being laid substantially along one side of said first porous layer, wherein the side edge of said deposit has at least one annular groove along at least part of the circumference of said deposit. <IMAGE> |
