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. 28, 2013
Filed:
Jan. 14, 2010
Masanori Fukui, Akita, JP;
Minoru Shirakawa, Akita, JP;
Tadashi Nemoto, Akita, JP;
Tadashi Sato, Akita, JP;
Masanori Fukui, Akita, JP;
Minoru Shirakawa, Akita, JP;
Tadashi Nemoto, Akita, JP;
Tadashi Sato, Akita, JP;
Japan Super Quartz Corporation, Akita-Shi, JP;
Abstract
A carbon electrode grinding apparatus for shaping a front end of an arc discharge carbon electrode is provided with front end grinding blades configured to grind a front end surface of the carbon electrode, lateral surface grinding blades configured to grind a surface from the front end surface to a base end of the carbon electrode, and rotation means configured to rotate and drive the front end grinding blades and the lateral surface grinding blades around a rotation axis line coincident with an axis line of the carbon electrode.