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:
May. 16, 1978
Filed:
May. 20, 1977
Applicant:
Inventors:
Assignee:
British Steel Corporation, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 51 ; 75 59 ; 75 60 ;
Abstract
Various forms of method and apparatus are described for the manufacture of steel wherein solid carbonaceous materials are injected below the surface of a melt during the introduction of oxygen to raise the energy level within the melt. Solid iron-bearing materials may also be introduced to the melt and a continuous tapping process is described wherein the iron-bearing and carbonaceous materials are delivered continuously to the melt.