(19)

(11)

EP 4 581 218 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23754440.8 (22) Date of filing: 01.08.2023

(51) International Patent Classification (IPC):  E03D 11/14(2006.01) E03D 1/00(2006.01) E03D 1/012(2006.01) (52) Cooperative Patent Classification (CPC): E03D 11/146; E03D 1/012; E03D 1/00 (86) International application number: PCT/IB2023/057784 (87) International publication number: WO 2024/047427 (07.03.2024 Gazette 2024/10)

(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: 29.08.2022 IT 202200017712 (71) Applicant: Campiglia, Carla 00041 Albano Laziale (RM) (IT)	(72) Inventor: Campiglia, Carla 00041 Albano Laziale (RM) (IT) (74) Representative: Fiammenghi, Eva et al PRAXI Intellectual Property S.p.A. Via Leonida Bissolati, 20 00187 Roma (RM) 00187 Roma (RM) (IT)