(19)
(11) EP 4 816 564 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24818077.0

(22) Date of filing: 26.11.2024
(51) International Patent Classification (IPC): 
C21C 5/46(2006.01)
F27B 3/28(2006.01)
F27D 19/00(2006.01)
F27D 27/00(2010.01)
C21C 7/072(2006.01)
F27D 3/16(2006.01)
F27D 21/02(2006.01)
C21C 5/52(2006.01)
(52) Cooperative Patent Classification (CPC):
C21C 5/4673; C21C 2005/5288; C21C 2300/06; F27B 3/28; F27D 27/00; F27D 19/00; F27D 2019/0003; C21C 7/072; F27D 3/16; F27D 2003/167; F27D 2027/002; F27D 21/02; C21C 5/52; F27D 21/0014
(86) International application number:
PCT/IB2024/061845
(87) International publication number:
WO 2025/114876 (05.06.2025 Gazette 2025/23)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 28.11.2023 WO PCT/IB2023/061971

(71) Applicant: ArcelorMittal
1160 Luxembourg (LU)

(72) Inventors:
  • STECHMANN, Guillaume
    57155 MARLY (FR)
  • SANCHEZ, Mathieu
    57050 PLAPPEVILLE (FR)
  • BROSSE, Guillaume
    57330 ZOUFFTGEN (FR)
  • HUBER, Jean Christophe
    57640 VRY (FR)

(74) Representative: Lavoix 
2, place d'Estienne d'Orves
75441 Paris Cedex 09
75441 Paris Cedex 09 (FR)

   


(54) METHOD FOR CONTROLLING THE STIRRING OF MOLTEN METAL IN A STEELMAKING FURNACE AND ASSOCIATED STEEL PRODUCTION INSTALLATION