(19)

(11)

EP 4 178 775 A1

(12)

(43) Date of publication: 17.05.2023 Bulletin 2023/20 (21) Application number: 21742365.6 (22) Date of filing: 07.07.2021

(51) International Patent Classification (IPC):  B28B 7/22(2006.01) B28B 19/00(2006.01) E02D 29/09(2006.01) E02D 23/08(2006.01) B28B 15/00(2006.01) B63C 1/02(2006.01) E02D 23/02(2006.01) (52) Cooperative Patent Classification (CPC): B63C 1/02; E02D 29/06; B28B 15/002; B28B 7/22; B28B 19/003; E02D 23/02; E02D 23/08 (86) International application number: PCT/EP2021/068742 (87) International publication number: WO 2022/008555 (13.01.2022 Gazette 2022/02)

(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: 07.07.2020 EP 20382605 (71) Applicant: Rojas Fernández-Fígares, Manuel 18009 Granada (ES)	(72) Inventor: Rojas Fernández-Fígares, Manuel 18009 Granada (ES) (74) Representative: de Rooij, Mathieu Julien  Bardehle Pagenberg S.L. Avenida Diagonal 420, 1° 1ª 08037 Barcelona 08037 Barcelona (ES)