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. 06, 2010
Filed:
Oct. 02, 2003
Applicants:
Peter Heinrich, Geldern, DE;
Manfred Schubert, Oberhausen, DE;
Rolf Best, Gladbeck, DE;
Inventors:
Assignee:
SMS Demag AG, Düsseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C 5/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
The aim of the invention is to damp or suppress oscillations (≦back-attack≧ effect) in sidewall or base blowing converters, used in particular to produce carbon steel or stainless steel. To achieve this, the gas supply system () for the converter comprises an inflow restrictor device (), which is positioned upstream of or associated with the jets () and which periodically reduces or interrupts the gas supply to the interior of the furnace.