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:
Apr. 12, 1982
Applicant:
Inventor:
Bertil G Tivelius, Viken, SE;
Assignee:
Scandinavian Lancers Aktiebolaget, Hoganas, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ; C21C / ;
U.S. Cl.
CPC ...
75 49 ; 266158 ;
Abstract
The invention relates to a method and equipment of producing with good reproducibility steel which is extremely free from slag inclusions, particularly steel with low sulphur content and thus very low contents of sulphidic slag inclusions, starting with a steel melt which is decarburized in a melting furnace, converter or the like to the desired carbon content, after which subsequent refining is carried out by an injection method in a ladle.