(19)

(11)

EP 1 450 971 A1

(12)

(43) Date of publication: 01.09.2004 Bulletin 2004/36 (21) Application number: 02774157.8 (22) Date of filing: 05.11.2002

(51) International Patent Classification (IPC)7: B21J 1/04, B21J 13/02, B23P 15/00 (86) International application number: PCT/AU2002/001500 (87) International publication number: WO 2003/039787 (15.05.2003 Gazette 2003/20)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 07.11.2001 AU PR071801 (71) Applicant: Bishop Manufacturing Technology Limited North Ryde,New South Wales 2113 (AU)	(72) Inventor: DOHMANN, Juergen Redfern, NSW 2010 (AU) (74) Representative: UEXKÜLL & STOLBERG  PatentanwälteBeselerstrasse 4 22607 Hamburg 22607 Hamburg (DE)