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. 08, 2000
Filed:
May. 26, 1999
Applicant:
Inventors:
Matti Elias Honkaniemi, Turin, FI;
Pekka Juhani Niemela, Turin, FI;
Risto Markus Heikkila, Varnamo, SE;
Martti Johannes Jankkila, Turin, FI;
Launo Leo Lilja, Pori, FI;
Assignee:
Outokumpu Oyj, , FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
432 58 ; 432 14 ; 432 99 ; 432101 ; 110245 ;
Abstract
Feed apparatus for treating and feeding lumpy or granular material to a smelting furnace, which apparatus contains a plurality of silos or sub-silos in which said material is contacted with a gas. The silo or sub-silo contains a cone-shaped gas distributor located in the middle of the bottom portion of the silo. The gas distribution cone has a number of gas nozzles, preferably between 100 and 500 gas nozzles.