The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2008
Filed:
Dec. 22, 2005
Satoru Yanaka, Yokosuka, JP;
Satoru Asai, Yokohama, JP;
Ryusuke Tsuboi, Yokohama, JP;
Kenji Kamimura, Yokohama, JP;
Tadashi Tanuma, Yokohama, JP;
Masataka Kikuchi, Chigasaki, JP;
Satoru Yanaka, Yokosuka, JP;
Satoru Asai, Yokohama, JP;
Ryusuke Tsuboi, Yokohama, JP;
Kenji Kamimura, Yokohama, JP;
Tadashi Tanuma, Yokohama, JP;
Masataka Kikuchi, Chigasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
The present invention comprises a turntable which holds a turbine part at a predetermined position, the turn table being rotatably supported by a support member, and rotated and driven by a driving motor, an abrasive feeding unit which feeds an abrasive particle having an elastic material as a core to a predetermined position as an abrasive, and a polishing head including an impeller which is rotated and driven by an impeller driving motor at high speed and applies rotary energy to the abrasive particle to be supplied from the abrasive feeding unit, the polishing head injecting the abrasive particle flying from the tangential direction of the impeller at a predetermined speed toward a surface to be polished of the turbine part held on the turntable, and an abrasive recovery unit which recovers the abrasive particle provided for polishing of the turbine part from the polishing head, and feeding into the abrasive feeding unit.