Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takao Ishida0
Yoshihiro Masuda0
Kazutoshi Nishimura0
Date of Patent
November 28, 2006
Patent Application Number
11135601
Date Filed
May 23, 2005
Patent Primary Examiner
Patent abstract
Barrel polishing is effected while causing a mass (M) consisting of work and media (polishing material) to rotation-flow by rotating a rotary disk installed in the bottom of a polishing tank by a drive motor. A load on the drive motor for the rotary disk is preset as by a load current value, and the flow of the mass (M) in the polishing tank is controlled, thereby effecting polishing while maintaining the load on the drive motor within the preset range.
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