(19)

(11)

EP 4 157 710 A1

(12)

(43) Date of publication: 05.04.2023 Bulletin 2023/14 (21) Application number: 21814494.7 (22) Date of filing: 17.02.2021

(51) International Patent Classification (IPC):  B63B 43/16(2006.01) (52) Cooperative Patent Classification (CPC): B63B 43/16 (86) International application number: PCT/BR2021/050073 (87) International publication number: WO 2021/237323 (02.12.2021 Gazette 2021/48)

(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: 28.05.2020 US 202063031414 P (71) Applicant: NSG Engenharia, Projetos e Representação Comercial Ltda 20031-901 Rio de Janeiro (BR)	(72) Inventors: GALGOUL, Nelson Szilard 20031-901 Rio de Janeiro (BR) SARABI, Aidin Rezvani 20031-901 Rio de Janeiro (BR) BARBOSA, Victor Dobrochinski 20031-901 Rio de Janeiro (BR) (74) Representative: Maiwald GmbH  Engineering Elisenhof Elisenstrasse 3 80335 München 80335 München (DE)