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:
Jul. 20, 2010
Filed:
Dec. 09, 2005
Hitoshi Omori, Wako, JP;
Yoshihiro Uehara, Wako, JP;
Kazutoshi Katahira, Wako, JP;
Muneaki Asami, Chiyoda-ku, JP;
Norihide Mitsuishi, Chiyoda-ku, JP;
Souichi Ishikawa, Chiyoda-ku, JP;
Hitoshi Omori, Wako, JP;
Yoshihiro Uehara, Wako, JP;
Kazutoshi Katahira, Wako, JP;
Muneaki Asami, Chiyoda-ku, JP;
Norihide Mitsuishi, Chiyoda-ku, JP;
Souichi Ishikawa, Chiyoda-ku, JP;
Riken, Saitama, JP;
The NEXSYS Corporation, Tokyo, JP;
Abstract
There is here disclosed a nozzle type ELID grinding apparatus comprising a conductive grindstonehaving a contact surface with a workpieceand an ion supply nozzlethat supplies an electrolytic mediumcontaining hydroxyl ions (OH) onto a surface of the conductive grindstone, the workpiece being ground while the surface of the grindstone is dressed by electrolysis or chemical reaction. Furthermore, the apparatus comprises a grindstone power sourcefor setting the conductive grindstone to be a positive potential (+).