US6332836B1 - Grinding wheel assembly - Google Patents
A grinding wheel comprises an annular support member and a grinding member arranged on one side of the support member. A groove is formed in one side of the support member. The grinding member is formed by molding an unsintered body, obtained by mixing abrasive grains and a bonding material, into an unsintered body having a buried portion for filling the groove and a protrusion portion ...