(19)

(11)

EP 4 562 254 A1

(12)

(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23748327.6 (22) Date of filing: 18.07.2023

(51) International Patent Classification (IPC):  E04B 2/76(2006.01) E04B 2/74(2006.01) (52) Cooperative Patent Classification (CPC): E04B 2/7457; E04B 2/766 (86) International application number: PCT/IB2023/057296 (87) International publication number: WO 2024/023635 (01.02.2024 Gazette 2024/05)

(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: 28.07.2022 IT 202200016074 (71) Applicants: Mela, Alessandro Giuseppe Jean 20037 Paderno Dugnano MI (IT) Ferrari, Alessandro 20831 Seregno MB (IT)	(72) Inventors: Mela, Alessandro Giuseppe Jean 20037 Paderno Dugnano MI (IT) Ferrari, Alessandro 20831 Seregno MB (IT) (74) Representative: Manfrin, Marta et al Società Italiana Brevetti S.p.A. Stradone San Fermo 21 sc. B 37121 Verona (VR) 37121 Verona (VR) (IT)