(19)

(11)

EP 2 566 801 A2

(12)

(43) Date of publication: 13.03.2013 Bulletin 2013/11 (21) Application number: 11716896.3 (22) Date of filing: 26.04.2011

(51) International Patent Classification (IPC):  B65H 75/28(2006.01) B23D 57/00(2006.01) (86) International application number: PCT/EP2011/056579 (87) International publication number: WO 2011/138192 (10.11.2011 Gazette 2011/45)

(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: 04.05.2010 EP 10161854 (71) Applicant: NV Bekaert SA 8550 Zwevegem (BE)	(72) Inventors: CLOET, Carlo B-9270 Laarne (BE) SEN, Nilanjan B-9000 Gent (BE) VROMANT, Carl B-9840 De Pinte (BE) (74) Representative: Seynhaeve, Geert Filiep  NV Bekaert SA D.I.E. Bekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)