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EP 4 355 527 A1

(12)

(43) Date of publication: 24.04.2024 Bulletin 2024/17 (21) Application number: 22734683.0 (22) Date of filing: 13.06.2022

(51) International Patent Classification (IPC):  B24B 49/00(2012.01) B24D 5/12(2006.01) B24D 5/10(2006.01) B24B 49/14(2006.01) B24D 5/06(2006.01) (52) Cooperative Patent Classification (CPC): B24D 5/12 (86) International application number: PCT/IB2022/055443 (87) International publication number: WO 2022/263993 (22.12.2022 Gazette 2022/51)

(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: 15.06.2021 IT 202100015614 (71) Applicant: Diamant S.r.l. 10152 Torino (TO) (IT)	(72) Inventor: NUNZIATA, Epifanio 10152 Torino (TO) (IT) (74) Representative: Fiammenghi, Eva et al PRAXI Intellectual Property S.p.A. Via Leonida Bissolati, 20 00187 Roma (RM) 00187 Roma (RM) (IT)