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:
Aug. 30, 1983
Filed:
May. 22, 1981
Applicant:
Inventors:
Klaus V Ploetz, Kaarst, DE;
Ludger Zangs, Essen, DE;
Ralf Schneider, Mettmann, DE;
Hannsgeorg Bauer, Witten, DE;
Josef Otto, Wetter, DE;
Manfred Walter, Witten, DE;
Helmut Meyer, Witten, DE;
Erich Heinrich, Witten, DE;
Assignee:
Mannesmann DeMag AG, Duisburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
266236 ; 266272 ;
Abstract
The invention concerns an electro-metal smelting furnace with at least one taphole located at the bottom with which hole is associated a closure equipped with a drive.