(19)

(11)

EP 3 996 856 A1

(12)

(43) Date of publication: 18.05.2022 Bulletin 2022/20 (21) Application number: 20737010.7 (22) Date of filing: 06.07.2020

(51) International Patent Classification (IPC):  B21D 43/28(2006.01) D06H 7/24(2006.01) B26D 5/00(2006.01) D06H 7/00(2006.01) B26D 5/22(2006.01) B26D 7/06(2006.01) (52) Cooperative Patent Classification (CPC): D06H 7/00; D06H 7/24; B26D 5/005; B26D 7/06; B21D 43/287; B26D 7/20; B26D 7/00 (86) International application number: PCT/EP2020/068999 (87) International publication number: WO 2021/005004 (14.01.2021 Gazette 2021/02)

(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: 08.07.2019 EP 19184926 (71) Applicant: Comelz S.p.A. 27029 Vigevano (IT)	(72) Inventor: CORSICO PICCOLINO, Alessandro 27029 Vigevano (PV) (IT) (74) Representative: Botti, Mario  Botti & Ferrari S.p.A. Via Cappellini, 11 20124 Milano 20124 Milano (IT)