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EP 4 540 427 A1

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(43) Date of publication: 23.04.2025 Bulletin 2025/17 (21) Application number: 22946688.3 (22) Date of filing: 17.06.2022

(51) International Patent Classification (IPC):  C22B 1/10(2006.01) (52) Cooperative Patent Classification (CPC): C22B 1/10; C22B 1/04; C22B 1/14; C22B 11/04; C22B 23/0407; C21B 15/00; Y02P 10/20 (86) International application number: PCT/FI2022/050429 (87) International publication number: WO 2023/242465 (21.12.2023 Gazette 2023/51)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Metso Metals Oy 02230 Espoo (FI)	(72) Inventors: HAMMERSCHMIDT, Jörg 63526 Erlensee (DE) RUNKEL, Marcus Espoo 02330 (FI) VALERY, Roberto 61440 Oberursel (DE) WROBEL, Maciej 61197 Florstadt (DE) (74) Representative: Keil & Schaafhausen Patentanwälte PartGmbB  Bockenheimer Landstraße 25 60325 Frankfurt am Main 60325 Frankfurt am Main (DE)