Abrasive device

Details Abrasive device Abrasive device

B - Operations, Transporting

24

D

B24D 3/28 (2006.01) B24D 7/00 (2006.01) B24D 7/10 (2006.01)

Patent

CA 2102974

ABSTRACT The abrasive polishing device has a carrier, typically in the form of arotatable polishing head (10) and abrasive polishing pads (16) mounted on the carrier. Each polishing pad (16) includes an abrasive body (18) which is provided by a thermoplastic polymer impregnated with ultra- hard abrasive particles and which presents an abrasive polishing surface for performing an abrasive polishing action in use. The abrasive body (18) is formed with a regular array of recesses, typically narrow capillary- type passages therein which extend to the abrasive surface. The recesses result in improved cooling of the abrasive layer during a polishing operation.

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