B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
51/153
B24D 7/06 (2006.01)
Patent
CA 1036824
ABSTRACT OF THE DISCLOSURE The invention relates to grinding or polishing tools adapted for use with an abrasive substance interposed between the grinding tool and the surface to be ground. The invention is characterised in that the tool whose working surface comprises relatively hard portions together with relatively softer portions is fabricated of conglomerate bodies of metal powders of different hardnesses bonded together with synthetic resins, the respective bodies being assembled together by a moulding or adhesive bonding operation to form a composite grinding and polishing plate or tool.
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