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:
Jun. 06, 1978
Filed:
Jan. 24, 1977
Applicant:
Inventors:
Emile Sprunck, Moyeuvre, FR;
Pierre Jean Leroy, St. Germain en Laye, FR;
Assignee:
Creusot-Loire, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
266 47 ; 266222 ; 266281 ;
Abstract
In a process for treating a bath of molten metal in a refractory-lined metallurgical furnace by introducing oxygen into the bath, an improved method for protecting selected portions of the refractory lining against wear. Liquid hydrocarbons are controllably injected through ports in the lining located in proximity to the aforesaid selected portions so as to direct the hydrocarbons toward the selected portions and thereby prevent corrosion by constituents of the bath.