(19)

(11)

EP 2 729 603 A1

(12)

(43) Date of publication: 14.05.2014 Bulletin 2014/20 (21) Application number: 12719367.0 (22) Date of filing: 03.05.2012

(51) International Patent Classification (IPC):  C25D 5/08(2006.01) C25D 17/00(2006.01) C25D 7/06(2006.01) C25D 21/12(2006.01) (86) International application number: PCT/EP2012/058073 (87) International publication number: WO 2013/004414 (10.01.2013 Gazette 2013/02)

(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: 07.07.2011 EP 11173037 (71) Applicant: NV Bekaert SA 8550 Zwevegem (BE)	(72) Inventors: MERTENS, David B-9840 De Pinte (BE) SEYNAEVE, Dominiek B-8531 Harelbeke/Hulste (BE) (74) Representative: Messely, Marc  NV Bekaert SA D.I.E. Bekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)