Abrading – Machine – Combined
Patent
1997-05-27
1999-03-23
Eley, Timothy V.
Abrading
Machine
Combined
451443, B24B 700
Patent
active
058851402
ABSTRACT:
An abrasion apparatus having a freely rotatable platen, an application block to which a workpiece is applied, and at least one pressing plate to press the workpiece on the platen with the application block being located therebetween. A working face of the platen is corrected by providing the pressing plate with a retaining ring to which the application block is fitted, which also serves as a dresser, and by pressing the retaining ring on the platen when the application block has been removed.
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patent: 5441444 (1995-08-01), Nakajima
patent: 5476414 (1995-12-01), Hirose et al.
patent: 5486131 (1996-01-01), Cesna et al.
patent: 5527209 (1996-06-01), Volodarsky et al.
Eley Timothy V.
Speedfam Co., Ltd.
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