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(11)

EP 4 188 791 A1

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(43) Date of publication: 07.06.2023 Bulletin 2023/23 (21) Application number: 21732061.3 (22) Date of filing: 14.06.2021

(51) International Patent Classification (IPC):  B63B 35/32(2006.01) E02B 8/02(2006.01) E02B 15/10(2006.01) E02B 15/04(2006.01) E02B 15/06(2006.01) E02B 15/08(2006.01) (52) Cooperative Patent Classification (CPC): E02B 8/023; E02B 15/0807; E02B 15/0835 (86) International application number: PCT/EP2021/065982 (87) International publication number: WO 2022/022885 (03.02.2022 Gazette 2022/05)

(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 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: 30.07.2020 EP 20188677 (71) Applicant: Castalia Operations Srl 00187 Rome (RM) (IT)	(72) Inventor: BARONE, Lorenzo 00187 Roma (RM) (IT) (74) Representative: Capasso, Olga et al De Simone & Partners S.r.l. Via Vincenzo Bellini, 20 00198 Roma 00198 Roma (IT)