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(11)

EP 3 738 130 A1

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(43) Date of publication: 18.11.2020 Bulletin 2020/47 (21) Application number: 18819206.6 (22) Date of filing: 22.10.2018

(51) International Patent Classification (IPC):  H01B 17/42(2006.01) F28D 20/02(2006.01) H01B 7/42(2006.01) H01B 9/02(2006.01) (86) International application number: PCT/IB2018/058201 (87) International publication number: WO 2019/138274 (18.07.2019 Gazette 2019/29)

(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: 09.01.2018 PT 2018110501 (71) Applicant: Cabelte-Cabos Eléctricos E Telefónicos S.A. 4410-420 Vila Nova De Gaia (PT)

(72) Inventors: HERRMANN PAIS DE SOUSA, Mário Emanuel 4410-420 Vila Nova De Gaia (PT) ALMEIDA LOURENÇO MARQUES TEIXEIRA, Maria Marcela 4410-420 Vila Nova De Gaia (PT) DA SILVA RIBEIRO, Paulo Renato 4410-420 Vila Nova De Gaia (PT) CURADO MATEUS CORREIA, Nuno André 4200-465 Porto (PT) SOUSA GOMES, Carla Filipa 4200-465 Porto (PT) MARQUES PEREIRO ROCHA, Nuno Miguel 4200-465 Porto (PT) TORRES TAVARES DA SILVA, Daniela 4200-465 Porto (PT) APARÍCIO VIEIRA, Tiago André 4200-465 Porto (PT) (74) Representative: Ferreira, Maria Silvina  Clarke, Modet & Co Av. Casal Ribeiro, N°50-3° andar 1000-93 Lisboa 1000-93 Lisboa (PT)