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:
May. 30, 2000
Filed:
Sep. 16, 1997
Applicant:
Inventor:
Yoshihide Kinbara, Nagoya, JP;
Assignee:
Mitsubishiki Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23H / ;
U.S. Cl.
CPC ...
219 6913 ;
Abstract
An electric discharge machine for generating electric discharge in a space between an electrode and a work to machine the work, in which saturable reactors are inserted into feeder lines each for feeding a machining power from a machining power source to the electrode as well as to the work and each of the saturable reactors is excited by a current reverse to a discharge current.