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. 12, 2019
Filed:
Oct. 12, 2016
Applicant:
Foundation of Soongsil University-industry Cooperation, Seoul, KR;
Inventors:
Bo Hyun Kim, Seoul, KR;
Pyeong An Lee, Seoul, KR;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23H 7/38 (2006.01); B23H 7/30 (2006.01); B23H 1/00 (2006.01);
U.S. Cl.
CPC ...
B23H 7/38 (2013.01); B23H 7/30 (2013.01); B23H 1/00 (2013.01); B23H 2400/00 (2013.01);
Abstract
An electrical discharge machining device for processing a workpiece by electrical discharges generated between a tool and the workpiece is provided. The electrical discharge machining device includes an electric discharger applying electric power to the tool and the workpiece to process the workpiece, and a vibration generator applying a vibration to the tool or the workpiece using a first voltage generated between the tool and the workpiece during a time when the workpiece is processed.