(19)

(11)

EP 3 849 722 A1

(12)

(43) Date of publication: 21.07.2021 Bulletin 2021/29 (21) Application number: 19762819.1 (22) Date of filing: 09.09.2019

(51) International Patent Classification (IPC):  B21C 3/02(2006.01) B21C 3/12(2006.01) B21C 3/04(2006.01) B21C 3/14(2006.01) (86) International application number: PCT/EP2019/073947 (87) International publication number: WO 2020/053127 (19.03.2020 Gazette 2020/12)

(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: 11.09.2018 EP 18193620 (71) Applicant: NV Bekaert SA 8550 Zwevegem (BE)	(72) Inventors: COUSSENS, Tom 8800 Roeselare (BE) HEYMAN, Koen 8510 Bellegem (BE) (74) Representative: Seynhaeve, Geert Filiep  NV Bekaert SA IPD - PC6030 Bekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)