(19)

(11)

EP 2 121 215 A1

(12)

(43) Date of publication: 25.11.2009 Bulletin 2009/48 (21) Application number: 08723845.7 (22) Date of filing: 07.03.2008

(51) International Patent Classification (IPC):  B21J 7/26(2006.01) E02D 7/12(2006.01) (86) International application number: PCT/NL2008/000073 (87) International publication number: WO 2008/111834 (18.09.2008 Gazette 2008/38)

(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 MT NL NO PL PT RO SE SI SK TR (30) Priority: 09.03.2007 NL 1033528 (71) Applicant: Technische Universiteit Eindhoven 5612 AZ Eindhoven (NL)	(72) Inventor: WINKES, Jasper, Stefan NL-5615 GA Eindhoven (NL) (74) Representative: Baeten, Ernest et al Algemeen Octrooi- en Merkenbureau P.O. Box 645 5600 AP Eindhoven 5600 AP Eindhoven (NL)