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:
Nov. 16, 1976
Filed:
Mar. 13, 1975
Applicant:
Inventors:
Pierre Leroy, Saint-German-en-Laye, FR;
Jean Bastien, L'Etrat, FR;
Assignee:
Creusot-Loire, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 52 ; 75 59 ; 75 60 ;
Abstract
In a method of treatment of liquid metal by blowing in at least one fluid in the form of jets emitted by blast pipes, the jets being arranged in at least two groups of which one group is supplied with fluid at high pressure to provide high impetus jets for a part of the treatment and the other group is supplied with fluid at lower pressure to provide lower impetus jets, the fluid supplies having variable pressures such that the jets can all be supplied with lower pressure fluid for another part of the treatment.