(19)

(11)

EP 3 784 564 A1

(12)

(43) Date of publication: 03.03.2021 Bulletin 2021/09 (21) Application number: 19839270.6 (22) Date of filing: 19.12.2019

(51) International Patent Classification (IPC):  B63G 8/08(2006.01) B63J 3/04(2006.01) B63G 8/18(2006.01) B63H 13/00(2006.01) (86) International application number: PCT/IB2019/061098 (87) International publication number: WO 2020/128949 (25.06.2020 Gazette 2020/26)

(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: 19.12.2018 IT 201800020224 (71) Applicant: Oppo, Stefano 09131 Cagliari (IT)	(72) Inventor: Oppo, Stefano 09131 Cagliari (IT) (74) Representative: Robba, Pierpaolo  Interpatent S.R.L. Via Caboto, 35 10129 Torino 10129 Torino (IT)