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(11)

EP 2 686 464 A2

(12)

(88) Date of publication A3: 28.03.2013 (43) Date of publication: 22.01.2014 Bulletin 2014/04 (21) Application number: 12715237.9 (22) Date of filing: 15.03.2012

(51) International Patent Classification (IPC):  C25B 3/04(2006.01) C25D 7/00(2006.01) C25D 1/00(2006.01) (86) International application number: PCT/PT2012/000008 (87) International publication number: WO 2012/125053 (20.09.2012 Gazette 2012/38)

(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 (30) Priority: 15.03.2011 PT 2011105566 (71) Applicant: Omnidea, Lda. 3510-017 Viseu (PT)

(72) Inventors: MARTINS RAMOS GONÇALVES, Marta Catarina 4710 Braga (PT) COSTA DUARTE PARDAL, Tiago 1600-867 Lisboa (PT) DÂMASO CONDEÇO, José Augusto 2830-308 Barreiro (PT) BADALO BRANCO, Joaquim Miguel 2625-485 Forte da Casa Lisboa (PT) CLÁUDIO FERNANDES, Tomás Rei 1495-144 Miraflores Algés (PT) MADEIRA GOMES BOAVIDA, Anabela Beatriz 1400-185 Lisboa (PT) (74) Representative: Pereira da Cruz, Joao  J. Pereira da Cruz, S.A. Rua Vitor Cordon, 14 1249-103 Lisboa 1249-103 Lisboa (PT)