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(11)

EP 4 401 967 A1

(12)

(43) Date of publication: 24.07.2024 Bulletin 2024/30 (21) Application number: 22789295.7 (22) Date of filing: 16.09.2022

(51) International Patent Classification (IPC):  B31B 50/04(2017.01) B31B 120/50(2017.01) B31B 50/52(2017.01) (52) Cooperative Patent Classification (CPC): B31B 2120/50; B31B 50/52; B31B 50/042; B31B 50/04 (86) International application number: PCT/IB2022/058776 (87) International publication number: WO 2023/042150 (23.03.2023 Gazette 2023/12)

(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: 16.09.2021 IT 202100023852 (71) Applicant: EMMECI S.p.A. 50050 Pieve a Ripoli-Cerreto Guidi (FI) (IT)	(72) Inventors: GIOVANNESCHI, Alessio 50050 CERRETO GUIDI (FI) (IT) BARONI, Pablo 50050 CERRETO GUIDI (FI) (IT) (74) Representative: Conti, Marco  Bugnion S.p.A. Via di Corticella, 87 40128 Bologna 40128 Bologna (IT)