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:
Oct. 05, 1976
Filed:
Mar. 12, 1974
Applicant:
Inventors:
Jacobus VAN Laar, Santpoort, NL;
Jacob Felthuis, Oudorp, NL;
Assignee:
Hoogovens Ijmuiden B.V., Ijmuiden, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
266193 ; 266286 ;
Abstract
In a shaft furnace which has a wall comprising of a shell and stave-coolers inside the shell, and a refractory lining of the wall supported by projections (supporting cams) on the stave-coolers, there are provided special bricks, preferably of material of superior refractoriness, strength, chemical resistance and wear-resistance, which rest on the projections and extend beyond the projections both towards and away from the shell. The bricks are fixed in the furnace wall, for instance by means of a ramming mass, and are preferably received in recessed in the stave-coolers.