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:
Jun. 08, 2021
Filed:
Jun. 07, 2017
Applicant:
Outokumpu Oyj, Helsinki, FI;
Inventor:
Eero Väänänen, Tornio, FI;
Assignee:
Outokumpu Oyj, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 1/00 (2006.01); F27D 9/00 (2006.01); C21C 5/52 (2006.01); F27B 3/08 (2006.01); F27B 3/24 (2006.01); F27D 1/12 (2006.01); F27B 3/12 (2006.01);
U.S. Cl.
CPC ...
F27D 9/00 (2013.01); C21C 5/5211 (2013.01); F27B 3/08 (2013.01); F27B 3/085 (2013.01); F27B 3/24 (2013.01); F27D 1/00 (2013.01); F27D 1/12 (2013.01); F27B 2003/125 (2013.01); F27D 2009/0013 (2013.01); F27D 2009/0018 (2013.01); Y02P 10/20 (2015.11);
Abstract
An arc furnace bottom construction for maintaining the outer surface temperature of the bottom construction essentially at least on the lower part of the arc furnace essentially close to the temperature surrounding the arc furnace. The bottom construction contains at least two constructions to be cooled and being positioned to each other in different heights seen from the side view.