(19)

(11)

EP 1 976 651 A1

(12)

(43) Date of publication: 08.10.2008 Bulletin 2008/41 (21) Application number: 07700085.9 (22) Date of filing: 23.01.2007

(51) International Patent Classification (IPC):  B21D 24/00(2006.01) B21D 22/26(2006.01) B21D 24/10(2006.01) B21D 24/14(2006.01) (86) International application number: PCT/AU2007/000059 (87) International publication number: WO 2007/085041 (02.08.2007 Gazette 2007/31)

(84) Designated Contracting States: ES FR (30) Priority: 25.01.2006 AU 2006900369 (71) Applicant: Commonwealth Scientific and Industrial Research Organisation Campbell, ACT 2612 (AU)	(72) Inventor: FORSYTH, Ross Epping, New South Wales 1710 (AU) (74) Representative: Barnfather, Karl Jon  Withers & Rogers LLP Goldings House 2 Hays Lane London SE1 2HW London SE1 2HW (GB)