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:
Feb. 18, 1992
Filed:
Mar. 05, 1991
Applicant:
Inventor:
Jacobus Van Laar, Driehuis, NL;
Assignee:
Hoogovens Groep BV, IJuiden, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
266196 ; 266286 ;
Abstract
An iron runner for tapping molten crude iron from a blast furnace is proposed, comprising at least a wear lining which forms a boundary carrying the iron during operation and a permanent lining in which the wear lining is contained, an outer boundary and at least an outer lining with a high coefficient of thermal conductivity which is provided between the outer boundary and the permanent lining, wherein the outer lining is provided with a thickening in the direction of the wear lining, which thickening is applied at the level of the inerface-layer being present during operation between the iron being carried through the runner and a slag layer floating on the iron.