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:
Sep. 01, 1987
Filed:
Feb. 26, 1986
Applicant:
Inventor:
Gunter Kraus, Ehekirchen, DE;
Assignee:
Sigri GmbH, Meitingen bei Augsburg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
373 91 ;
Abstract
Connection between the sections of a graphite electrode in whose faces a socket is sunk to accommodate a threaded nipple. The socket base has a rotation-symmetrical recess whose principal sections are defined by a second or higher order curves and go over into the socket generating surface continuously differentiably. The annular stress active in the connection zone is reduced in particular by the recess.