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. 28, 2001
Filed:
Aug. 16, 2000
Applicant:
Inventors:
Martin Schmidt, Gmunden, AT;
Herbert Lassnig, Asten, AT;
Johann Wurm, Bad Zell, AT;
Kurt Wieder, Schwertberg, AT;
Georg Aichinger, Asten, AT;
Josef Ziegler, Windischgarsten, AT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 3/08 ;
U.S. Cl.
CPC ...
F27D 3/08 ;
Abstract
The invention relates to a shaft furnace (,), in particular a direct-reduction shaft furnace, having a bed (,) of lumpy material, in particular lumpy material containing iron oxide and/or iron sponge, having worm conveyors (,) which penetrate through the shell of the shaft furnace for discharging the lumpy material from the shaft furnace (,), which conveyors are arranged above the base area of the shaft furnace (,) and are mounted in the shell of the shaft furnace.