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(11)

EP 4 532 158 A1

(12)

(43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23735381.8 (22) Date of filing: 31.05.2023

(51) International Patent Classification (IPC):  B28B 13/02(2006.01) B28B 1/00(2006.01) B28B 5/02(2006.01) (52) Cooperative Patent Classification (CPC): B28B 13/022; B28B 5/027; B28B 1/005; B28B 1/008 (86) International application number: PCT/IB2023/055573 (87) International publication number: WO 2023/233317 (07.12.2023 Gazette 2023/49)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 31.05.2022 IT 202200011543 (71) Applicant: SACMI COOPERATIVA MECCANICI IMOLA SOCIETA' COOPERATIVA 40026 Imola (BO) (IT)	(72) Inventor: VALLI, Andrea 40026 IMOLA (BO) (IT) (74) Representative: Studio Torta S.p.A.  Via Viotti, 9 10121 Torino 10121 Torino (IT)