(19)

(11)

EP 3 602 088 A1

(12)

(43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 18720662.8 (22) Date of filing: 26.03.2018

(51) International Patent Classification (IPC):  G01R 31/02(2006.01) H01B 13/012(2006.01) G01R 1/04(2006.01) G01R 1/02(2006.01) (86) International application number: PCT/IB2018/052047 (87) International publication number: WO 2018/178847 (04.10.2018 Gazette 2018/40)

(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: 29.03.2017 PT 2017109995 (71) Applicant: Divmac - Projectos, Automatismos e Periféricos Industriais S.A. S. João da Ponte, Guimarães 4805-662 (PT)	(72) Inventor: MACHADO PINTO BRASIL, Manuel 4800-930 Santo Tirso Prazins (PT) (74) Representative: Ferreira, Maria Silvina  Clarke, Modet & Co Av. Casal Ribeiro, N°50-3° andar 1000-93 Lisboa 1000-93 Lisboa (PT)