(19)

(11)

EP 2 427 294 A1

(12)

(43) Date of publication: 14.03.2012 Bulletin 2012/11 (21) Application number: 10713210.2 (22) Date of filing: 09.04.2010

(51) International Patent Classification (IPC):  B23D 57/00(2006.01) B65H 75/18(2006.01) B65H 73/00(2006.01) (86) International application number: PCT/EP2010/054688 (87) International publication number: WO 2010/127922 (11.11.2010 Gazette 2010/45)

(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: 06.05.2009 EP 09159550 (71) Applicant: NV Bekaert SA 8550 Zwevegem (BE)	(72) Inventor: ZHANG, Ming Jiangsu 214400 (CN) (74) Representative: Messely, Marc  NV Bekaert SA D.I.E. Bekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)