(19)

(11)

EP 1 539 407 A1

(12)

(43) Date of publication: 15.06.2005 Bulletin 2005/24 (21) Application number: 03737753.8 (22) Date of filing: 24.07.2003

(51) International Patent Classification (IPC)7: B22D 18/04, B22D 21/04 (86) International application number: PCT/AU2003/000941 (87) International publication number: WO 2004/011176 (05.02.2004 Gazette 2004/06)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 25.07.2002 AU 2002950374 (71) Applicant: PACIFICA GROUP TECHNOLOGIES PTY LTD Victoria, 3165 (AU)	(72) Inventor: WHITE, Stephen, James Belgrave South, Victoria 3160 (AU) (74) Representative: Wright, Howard Hugh Burnby et al Withers & Rogers LLPGoldings House,2 Hays Lane London SE1 2HW London SE1 2HW (GB)