Abrading – Machine – Sandblast
Reexamination Certificate
2005-08-23
2005-08-23
Eley, Timothy V. (Department: 3724)
Abrading
Machine
Sandblast
C239S225100, C451S038000, C451S051000, C451S052000, C451S081000, C451S082000
Reexamination Certificate
active
06932681
ABSTRACT:
The present invention provides a method and device for cleaning the oxide layer created on the bearing surface of a fluid dynamic bearing by the electrochemical machining of pressure generating grooves onto the bearing surface, wherein the method involves spraying a high-pressure liquid jet onto the bearing surface and the cleaning device is an apparatus for spraying a high-pressure liquid jet onto the bearing surface.
REFERENCES:
patent: 4456037 (1984-06-01), Gocho
patent: 4727619 (1988-03-01), Robbins
patent: 5024561 (1991-06-01), Kitagawa
patent: 6655393 (2003-12-01), Loughmiller
patent: 6694991 (2004-02-01), Mizuno et al.
patent: WO99/47279 (1999-09-01), None
Suzuki Kesao
Yoshimura Noriyuki
Eley Timothy V.
Lutzker Joel
Minebea Co. Ltd.
Schulte Roth & Zabel
Vishev Anna
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