(19)

(11)

EP 3 894 101 A1

(12)

(43) Date of publication: 20.10.2021 Bulletin 2021/42 (21) Application number: 19849064.1 (22) Date of filing: 04.12.2019

(51) International Patent Classification (IPC):  B21B 45/02(2006.01) (52) Cooperative Patent Classification (CPC): B21B 45/0233; B21B 45/0218; B21B 45/0215 (86) International application number: PCT/US2019/064374 (87) International publication number: WO 2020/123217 (18.06.2020 Gazette 2020/25)

(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: 12.12.2018 US 201862778486 P 04.09.2019 US 201916559884 (71) Applicant: Primetals Technologies USA LLC Alpharetta, GA 30005 (US)	(72) Inventors: HURLEY, Timothy Charlton, MA 01507 (US) DONNELLY, John Webster, MA 01570 (US) MARLIN, Shane Boylston, MA 01505 (US) (74) Representative: Metals@Linz  Primetals Technologies Austria GmbH Intellectual Property Upstream IP UP Turmstraße 44 4031 Linz 4031 Linz (AT)