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:
Dec. 19, 1978
Filed:
Mar. 31, 1977
Applicant:
Inventors:
Marc Chastant, Metz, FR;
Paul-Victor Riboud, Metz, FR;
Assignee:
Institut de Recherches de la Siderurgie Francaise (Irsid), Saint-Germain-en-Laye, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75257 ; 75 53 ;
Abstract
A composition for forming a protective layer or slag at the surface of molten steel in the mold during a continuous casting process. The composition is constituted by a mixture of a natural silicate of low melting point and an elevated contents of alkaline oxides, a basic compound, a flux and pulverulent carbon. The natural silicate is a feldspar, a nepheline or nepheline-syenite. The composition is intended for use in continuous steel casting processes.