(19)

(11)

EP 2 398 602 A1

(12)

(43) Date of publication: 28.12.2011 Bulletin 2011/52 (21) Application number: 10743332.8 (22) Date of filing: 20.02.2010

(51) International Patent Classification (IPC):  B21B 1/46(2006.01) C22C 38/12(2006.01) C22C 38/06(2006.01) C22C 38/02(2006.01) C22C 38/58(2006.01) C22C 38/04(2006.01) B22D 11/06(2006.01) C22C 38/16(2006.01) C22C 38/08(2006.01) (86) International application number: PCT/AU2010/000189 (87) International publication number: WO 2010/094076 (26.08.2010 Gazette 2010/34)

(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: 20.02.2009 US 154233 P (71) Applicant: Nucor Corporation Charlotte, NC 28211 (US)	(72) Inventors: EDELMAN, Daniel, Geoffrey Brownsburg Indiana 46112 (US) KILLMORE, Christopher, Ronald Wollongong New South Wales 2500 (AU) ALWIN-BECKER, Mary, E. Crawfordsville Indiana 47933 (US) (74) Representative: Hedges, Martin Nicholas  A.A. Thornton & Co. 235 High Holborn London WC1V 7LE London WC1V 7LE (GB)