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:
Apr. 10, 1984
Filed:
Jan. 26, 1982
Dieter H Zollner, Claremorris, IE;
Friedrich Rittmann, Ruckersdorf b. Nunberg, DE;
Herbert Dung, Dortmund, DE;
Johannes Haremsa, Herne, DE;
Georg Bauer, Witten-Bommern, DE;
Josef Otto, Wetter, DE;
Josef Muhlenbeck, Wetter, DE;
Inge Lauterbach-Dammler, Nuremberg, DE;
Abstract
An arc furnace electrode for the production of electric steel, comprising a metallic top portion and a consumable, replaceable bottom portion threadably interconnected. The top portion is provided with coolant feed and return ducts and includes a protective covering. The protective covering is represented by a detachable surmounted sheath of electrically conductive heat resistant material. The sheath is subdivided into individual segments. The electrode includes internally disposed recesses advantageously accommodating elastic and electrically conductive materials especially advantageous properties.