(19)

(11)

EP 4 526 533 A1

(12)

(43) Date of publication: 26.03.2025 Bulletin 2025/13 (21) Application number: 23730211.2 (22) Date of filing: 17.05.2023

(51) International Patent Classification (IPC):  E04H 9/02(2006.01) (52) Cooperative Patent Classification (CPC): E04H 9/0237 (86) International application number: PCT/IB2023/055067 (87) International publication number: WO 2023/223228 (23.11.2023 Gazette 2023/47)

(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: 18.05.2022 IT 202200010292 (71) Applicant: Becci, Innocenzo 62029 Tolentino (Macerata) (IT)	(72) Inventor: Becci, Innocenzo 62029 Tolentino (Macerata) (IT) (74) Representative: Grassi, Stefano  Bugnion S.p.A. Viale Lancetti, 17 20158 Milano 20158 Milano (IT)