(19)

(11)

EP 3 999 266 A1

(12)

(43) Date of publication: 25.05.2022 Bulletin 2022/21 (21) Application number: 20771480.9 (22) Date of filing: 03.09.2020

(51) International Patent Classification (IPC):  B22F 3/105(2006.01) B33Y 80/00(2015.01) B29C 64/40(2017.01) B29C 67/00(2017.01) B22F 5/04(2006.01) B33Y 10/00(2015.01) B29C 64/153(2017.01) B28B 1/00(2006.01) B23K 15/00(2006.01) (52) Cooperative Patent Classification (CPC): B33Y 10/00; B33Y 80/00; B29C 64/40; B22F 5/04; B33Y 40/00; B22F 10/00; Y02P 10/25 (86) International application number: PCT/EP2020/074513 (87) International publication number: WO 2021/047981 (18.03.2021 Gazette 2021/11)

(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 (30) Priority: 10.09.2019 EP 19196484 (71) Applicant: Siemens Energy Global GmbH & Co. KG 81739 München (DE)	(72) Inventor: MATEKALO, Dragan 61230 Finspong (SE)