(19)

(11)

EP 2 396 134 A1

(12)

(43) Date of publication: 21.12.2011 Bulletin 2011/51 (21) Application number: 10704355.6 (22) Date of filing: 12.02.2010

(51) International Patent Classification (IPC):  B23D 61/18(2006.01) (86) International application number: PCT/EP2010/051792 (87) International publication number: WO 2010/092151 (19.08.2010 Gazette 2010/33)

(84) Designated Contracting States: 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 SE SI SK SM TR (30) Priority: 13.02.2009 EP 09152849 (71) Applicant: NV Bekaert SA 8550 Zwevegem (BE)	(72) Inventors: CAMPOS, Glauber B-9000 Gent (BE) AMILS, Xavier B-8500 Kortrijk (BE) GOOSSENS, Davy B-9690 Kluisbergen (BE) (74) Representative: Seynhaeve, Geert Filiep  NV Bekaert SA D.I.E. Bekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)