(19)

(11)

EP 4 408 613 A1

(12)

(43) Date of publication: 07.08.2024 Bulletin 2024/32 (21) Application number: 22790576.7 (22) Date of filing: 23.09.2022

(51) International Patent Classification (IPC):  B24B 51/00(2006.01) B24D 9/00(2006.01) B24B 29/00(2006.01) B24B 57/00(2006.01) B24B 27/00(2006.01) B24D 9/08(2006.01) (52) Cooperative Patent Classification (CPC): B24B 51/00; B24B 57/00; B24D 9/00; B24B 27/0038; B24B 27/0084; B24B 29/00; B24D 9/08 (86) International application number: PCT/IB2022/059018 (87) International publication number: WO 2023/052918 (06.04.2023 Gazette 2023/14)

(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: 29.09.2021 IT 202100024926 (71) Applicant: Fabrica Machinale S.r.l. 56023 Cascina (PI) (IT)	(72) Inventors: BOSIO, Luca 56124 PISA (IT) PELLICCI, Gianpaolo 56032 Buti (PI) (IT) DE MICHELI, Denis Mattia 56023 Cascina (PI) (IT) (74) Representative: ABM Agenzia Brevetti & Marchi  Viale Giovanni Pisano, 31 56123 Pisa 56123 Pisa (IT)