(19)
(11) EP 2 336 371 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
24.04.2019 Bulletin 2019/17

(45) Mention of the grant of the patent:
02.01.2019 Bulletin 2019/01

(21) Application number: 09819299.0

(22) Date of filing: 09.10.2009
(51) International Patent Classification (IPC): 
C21B 5/00(2006.01)
C21B 13/00(2006.01)
C22B 1/245(2006.01)
 C22B 1/24(2006.01)
C22B 1/243(2006.01)
(86) International application number:
PCT/JP2009/067948
(87) International publication number:
WO 2010/041770 (15.04.2010 Gazette 2010/15)

(54)

BLAST FURNACE OPERATING METHOD USING CARBON-CONTAINING UNFIRED PELLETS

BETRIEBSVERFAHREN FÜR EINEN HOCHOFEN UNTER VERWENDUNG KOHLENSTOFFHALTIGER UNGEBRANNTER PELLETS

PROCÉDÉ D'EXPLOITATION D'UN HAUT FOURNEAU UTILISANT DES BOULETS CARBONÉS NON CUITS

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

(30) Priority: 10.10.2008 JP 2008264483

(43) Date of publication of application:
22.06.2011 Bulletin 2011/25

(73) Proprietor: Nippon Steel & Sumitomo Metal Corporation
Tokyo 100-8071 (JP)

(72) Inventors:
  • HIGUCHI, Kenichi
    Tokyo 100-8071 (JP)
  • SHINOHARA, Takashi
    Tokyo 100-8071 (JP)
  • NODA, Takeshi
    Tokyo 100-8071 (JP)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstrasse 3
81675 München
81675 München (DE)


(56) References cited: : 
JP-A- 6 145 729
JP-A- 58 164 710
JP-A- 2008 095 177
 JP-A- 53 058 416
JP-A- 2008 095 177
JP-A- 2008 189 952
   
  • SHUNSUKE TAKASHIRO ET AL.: 'Cokes Naiso Cold Pellet no Ko Haigo Koro Sogyo' JOURNAL OF THE IRON & STEEL INSTITUTE OF JAPAN vol. 72, no. 12, 09 September 1986, page S886, XP008145705
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).