(19)

(11)

EP 3 899 074 A1

(12)

(43) Date of publication: 27.10.2021 Bulletin 2021/43 (21) Application number: 18829878.0 (22) Date of filing: 21.12.2018

(51) International Patent Classification (IPC):  C22C 19/05(2006.01) F28D 20/00(2006.01) (52) Cooperative Patent Classification (CPC): C22C 19/05; C22C 19/056 (86) International application number: PCT/EP2018/086751 (87) International publication number: WO 2020/126053 (25.06.2020 Gazette 2020/26)

(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: Sandvik Intellectual Property AB 811 81 Sandviken (SE)	(72) Inventors: GEERS, Christine 41296 Göteborg (SE) HELANDER, Thomas 725 96 Västerås (SE) LUNDBERG, Mats 811 34 Sandviken (SE) (74) Representative: Sandvik  Sandvik Intellectual Property AB 811 81 Sandviken 811 81 Sandviken (SE)