(19)

(11)

EP 2 654 984 A1

(12)

(43) Date of publication: 30.10.2013 Bulletin 2013/44 (21) Application number: 11799373.3 (22) Date of filing: 19.12.2011

(51) International Patent Classification (IPC):  B21D 53/26(2006.01) B60B 3/08(2006.01) B21D 53/30(2006.01) (86) International application number: PCT/EP2011/006409 (87) International publication number: WO 2012/084177 (28.06.2012 Gazette 2012/26)

(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: 23.12.2010 EP 10016026 (71) Applicant: Tata Steel Nederland Technology B.V. 1970 CA IJmuiden (NL)	(72) Inventors: DEN UIJL, Nick, Johannes NL-1970 CA IJmuiden (NL) DE HAAN, Theobald NL-1970 CA IJmuiden (NL) (74) Representative: Kruit, Jan  Tata Steel Nederland Technology BV Group Intellectual Property Services - 3G37 P.O. Box 10000 1970 CA Ijmuiden 1970 CA Ijmuiden (NL)