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:
May. 10, 1977
Filed:
Apr. 30, 1976
Applicant:
Inventors:
Wilhelm Langenfeld, Dusseldorf, DT;
Klaus Stelzner, Duisburg, DT;
Assignee:
Didier-Werke AG, Wiesbaden, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
266224 ; 266222 ;
Abstract
A refractory bottom lining has extending therethrough at least one inclined decarburization or refining nozzle or tuyere. Surrounding the nozzle is an outer perforate brick having a hole therethrough. An inner brick fits within the hole of the outer brick and has a bore which is inclined at the same angle of inclination as the nozzle. The nozzle extends through the bore.
Langenfeld, Wilhelm. (1977). Converter bottom structure (U.S. Patent No. 4022445). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4022445
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile