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EP 4 532 851 A1

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(43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23732681.4 (22) Date of filing: 30.05.2023

(51) International Patent Classification (IPC):  E03D 1/012(2006.01) E03D 1/34(2006.01) E03D 5/092(2006.01) E03D 1/14(2006.01) E03D 5/02(2006.01) E03D 5/10(2006.01) (52) Cooperative Patent Classification (CPC): E03D 1/0125; E03D 1/145; E03D 2001/147; E03D 1/34; E03D 5/028; E03D 5/092; E03D 5/105 (86) International application number: PCT/IB2023/055516 (87) International publication number: WO 2023/233282 (07.12.2023 Gazette 2023/49)

(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: 31.05.2022 IT 202200011483 (71) Applicant: Fonderie Pontine Brevetti Catis S.r.l. 80133 Napoli (NA) (IT)	(72) Inventor: CARUSO, Giulia 80133 Napoli (NA) (IT) (74) Representative: Fiammenghi, Eva et al PRAXI Intellectual Property S.p.A. Via Leonida Bissolati, 20 00187 Roma (RM) 00187 Roma (RM) (IT)