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:
Jun. 07, 1988
Filed:
Aug. 12, 1985
Vassil G Peev, Sofia, BG;
Maksim O Tzonevski, Sofia, BG;
N P P PO Elektrotermia, Sofia, BG;
Abstract
The protective coating consists of three layers. As alloying additives in the first and second layer or only in the second layer are used, nickel and iron or their oxides whereby the nickel content is from 0.05 to 0.95% and the iron content is, respectively, from 0.1 to 15% with regard to the total amount of aluminum. Both layers are submitted to heat treatment with surface density of the heat flow from 8 to 16.10.sup.6 W/m.sup.2. The third layer consists of aluminum with technical grade purity. The thus described graphitic electrodes are used in arc furnaces.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile