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:
Aug. 13, 2002
Filed:
Nov. 17, 2000
Osamu Yasuda, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
When the surface roughness of a work face of the workpiece ( ) fixed onto the surface plate table ( ) in the work tank ( ) in which the work fluid ( ) is stored is more than a predetermined value, the bladder ( ) capable of expanding or contracting by the pressure of fluid accommodated in the bladder ( ) is contracted, and a space between the work tank ( ) and the surface plate table ( ) is filled with the work fluid ( ), and electric discharge work is conducted. When the surface roughness of a work face of the workpiece ( ) is not more than a predetermined value, the bladder ( ) is expanded, and a quantity of the work fluid ( ) getting into between the work tank ( ) and the surface plate table ( ) is reduced and electric discharge work is conducted.