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:
Aug. 12, 1980
Filed:
Jul. 20, 1979
Applicant:
Inventors:
Assignee:
Paul Wurth S.A., Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
266 87 ; 266176 ; 266197 ; 414202 ;
Abstract
A gate arrangement, especially for counterpressure blast furnaces, including a seal lid having an annular soft seal-insert and a steel seal-ring arranged at the lower end of the gate, which corresponds to the soft seal-insert. The arrangement also includes heating means operatively connectible to the steel seal-ring about its periphery.