(19)

(11)

EP 4 429 834 A1

(12)

(43) Date of publication: 18.09.2024 Bulletin 2024/38 (21) Application number: 22769772.9 (22) Date of filing: 19.08.2022

(51) International Patent Classification (IPC):  B21C 47/24(2006.01) B65H 67/02(2006.01) B21B 15/00(2006.01) B21C 47/18(2006.01) (52) Cooperative Patent Classification (CPC): B21C 47/247; B21C 47/245; B21C 47/242; B21B 15/0085; B65H 67/02; B21C 47/18; B65H 2701/36 (86) International application number: PCT/IB2022/057790 (87) International publication number: WO 2023/084324 (19.05.2023 Gazette 2023/20)

(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: 11.11.2021 IT 202100028730 (71) Applicant: Promostar S.r.L. 33030 Buja (Udine) (IT)	(72) Inventor: COVAZZI, Stefano 33030 Buja (UD) (IT) (74) Representative: Giugni, Diego et al Propria S.r.l. Via della Colonna, 35 33170 Pordenone 33170 Pordenone (IT)