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:
Nov. 05, 1985
Filed:
Aug. 08, 1984
Lothar Formanek, Frankfurt am Main, DE;
Martin Hirsch, Friedrichsdorf, DE;
Harry Serbent, Hanau am Main, DE;
Wolfram Schnabel, Idstein, DE;
Klaus-Dietrich Fritzsche, Oberhausen, DE;
Heribert Koenig, Duisburg, DE;
Gero Rath, Mulheim, DE;
Metallgesellschaft Aktiengesellschaft, Frankfurt, DE;
Mannesmann Aktiengesellschaft, Dusseldorf, DE;
Abstract
Sponge iron is produced by a direct reduction with solid carbonaceous reducing agents. In order to permit a melting of the sponge iron, particularly of that part thereof which is inferior in metallurgical properties, in a process which is as simple and economical as possible, the exhaust gas from the direct reduction process is used to produce electrical energy, which is supplied to the electric reducing furnace, and sponge iron at a rate corresponding to the electrical energy that is produced is charged to the electrical reducing furnace and comprises at least part of the sponge iron which is inferior in metallurgical properties.