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:
Feb. 09, 1999
Filed:
Jun. 20, 1996
Applicant:
Inventors:
Masao Todoriki, Nagano, JP;
Takayuki Fukai, Nagano, JP;
Yoshishige Sekiguchi, Nagano, JP;
Osamu Kanazawa, Nagano, JP;
Hiroyuki Yamashita, Kagawa, JP;
Assignee:
Showa Denko Kabushikikaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
373 92 ; 373 91 ;
Abstract
In order to prevent the rupturing of a graphite electrode comprising electrode sections joined with one another by a socket and a nipple, electrical insulating material is applied on the joined surfaces to decrease the current across the nipple.