(19)

(11)

EP 4 313 422 A1

(12)

(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22714544.8 (22) Date of filing: 10.03.2022

(51) International Patent Classification (IPC):  B02C 4/02(2006.01) B02C 4/42(2006.01) B02C 4/32(2006.01) B02C 19/00(2006.01) (52) Cooperative Patent Classification (CPC): B02C 4/02; B02C 4/32; B02C 4/426; B02C 19/0056 (86) International application number: PCT/IB2022/052162 (87) International publication number: WO 2022/200903 (29.09.2022 Gazette 2022/39)

(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: 23.03.2021 IT 202100007031 (71) Applicant: Mizar S.r.l. 42019 Scandiano (RE) (IT)	(72) Inventor: BARDELLI, Lodovico 42019 Scandiano (RE) (IT) (74) Representative: Fabris, Stefano et al Cantaluppi & Partners S.r.l. Piazzetta Cappellato Pedrocchi, 18 35122 Padova 35122 Padova (IT)