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:
Apr. 24, 2018
Filed:
Jun. 23, 2010
Applicants:
Hidetaka Miyake, Tokyo, JP;
Tatsushi Sato, Tokyo, JP;
Kazuhiko Fukushima, Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23H 7/10 (2006.01); B23H 1/02 (2006.01); B23H 7/02 (2006.01); B23H 9/00 (2006.01); B23H 11/00 (2006.01);
U.S. Cl.
CPC ...
B23H 1/028 (2013.01); B23H 7/02 (2013.01); B23H 7/101 (2013.01); B23H 7/107 (2013.01); B23H 9/00 (2013.01); B23H 11/006 (2013.01);
Abstract
A wire electric discharge machining apparatus is constructed in such a manner as to include: a wire electrode having a plurality of cutting wire portions that are separated from one another in parallel and are opposed to a workpiece; a machining power supply that generates a pulsed machining voltage; a plurality of power feed contact units that are electrically connected to the cutting wire portions and apply the machining voltage between the cutting wire portions and the workpiece; and a nozzle that ejects machining liquid from an ejection opening toward an electrode gap along the cutting wire portions.