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. 28, 1990
Filed:
Oct. 02, 1989
Kazuhiko Uemoto, Aichi, JP;
Toshiaki Tanaka, Aichi, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An electric discharge machining apparatus having a shielding mechanism for prevention of an occurrence of radio interference due to electromagnetic waves which are generated during an electric discharge machining operation. The shielding mechanism comprises a plurality of shielding floats at least the surface of which are made of a magnetic material high in magnetic permeability. The floats covers a surface of a machining solution contained in a machining reservoir made of a magnetic material high in magnetic permeability, in such a manner that the shielding floats are in contact with a side wall of the machining reservoir.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile