Abrading – Abrading process – Utilizing nonrigid tool
Reexamination Certificate
2007-02-20
2008-10-14
Nguyen, Dung Van (Department: 3723)
Abrading
Abrading process
Utilizing nonrigid tool
C451S041000
Reexamination Certificate
active
07435163
ABSTRACT:
The present invention provides a grinding sheet wherein the width of the ridge in the pattern of abrasive layer is larger than the width of the recess formed between the adjacent portions of the ridge. Its shape is suitable to carry out uniform treatment without causing the workpiece to drop into the recess between ridge portions of the pattern of abrasive layer even when the workpiece is swung while the grinding sheet is rotated during grinding operation.
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Fujii Ryuji
Hosaka Koji
Natsui Hideaki
Orii Kazuya
Saito Makoto
Nguyen Dung Van
SAE Magnetics (H.K. ) Ltd.
SAE Technologies (H.K.) Ltd.
TMP Co., Ltd.
Wood Phillips Katz Clark & Mortimer
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