Abstract: The invention relates to grinding tools, particularly to grinding wheels having an annular band of abrasive material at their periphery and provides an improved method of manufacture. A mixture of abrasive material, temporary binder and ceramic bond is heated to paste-like consistency and then coated on to the desired part of a support member, e.g. on to hub (5) of wheel (4) in the form of an annular band (11). The coated support member is then fired to drive off the temporary binder whereby the coating is firmly bonded to the support member.
Type:
Grant
Filed:
June 13, 1990
Date of Patent:
March 10, 1992
Assignee:
Unicorn Industries PLC
Inventors:
Richard Hall, Paul Dando, John Robertson, Kassim Juma