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:
Jan. 20, 1981
Filed:
Jun. 04, 1979
Applicant:
Inventors:
Henri Radoux, Luxembourg, LU;
Carlo Heinz, Niederanven, LU;
Herbert Ensch, Ghent, BE;
Guido Monteyne, Lembeke, BE;
Assignee:
Paul Wurth S.A., , LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D / ; F22B / ; C21B / ;
U.S. Cl.
CPC ...
432233 ; 122 / ; 122-65 ; 266193 ;
Abstract
The refractory lining of a shaft furnace is cooled by means of a cooling box, which extends into the lining through the furnace shell, having a pair of separately fed coolant flow paths formed therein. A first coolant circuit extends along the side walls of the cooling box and through the nose portion thereof while the second coolant circuit has a first portion which extends along the side walls adjacent the first circuit and a second portion which is disposed toward the center of the cooling box with respect to both the first cooling circuit and the first portion of the second cooling circuit.