(19)

(11)

EP 4 271 528 A1

(12)

(43) Date of publication: 08.11.2023 Bulletin 2023/45 (21) Application number: 21835395.1 (22) Date of filing: 13.12.2021

(51) International Patent Classification (IPC):  B21D 5/14(2006.01) (52) Cooperative Patent Classification (CPC): B21D 5/14 (86) International application number: PCT/IB2021/061617 (87) International publication number: WO 2022/144651 (07.07.2022 Gazette 2022/27)

(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: 30.12.2020 IT 202000032816 (71) Applicant: Faccin S.p.A. 25010 Visano, (BS) (IT)	(72) Inventor: ARLIA, Franco 25010 Visano, Brescia (IT) (74) Representative: Chimini, Francesco  Jacobacci & Partners S.p.A. Piazza della Vittoria 11 25122 Brescia 25122 Brescia (IT)