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(11)

EP 1 670 605 A1

(12)

(43) Date of publication: 21.06.2006 Bulletin 2006/25 (21) Application number: 04761133.0 (22) Date of filing: 16.08.2004

(51) International Patent Classification (IPC):  B22D 17/04(1968.09) B22D 35/04(1968.09) (86) International application number: PCT/AU2004/001096 (87) International publication number: WO 2005/016579 (24.02.2005 Gazette 2005/08)

(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 PL PT RO SE SI SK TR (30) Priority: 15.08.2003 AU 2003904394 (71) Applicant: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION Campbell, ACT 2612 (AU)	(72) Inventor: FINNIN, Barrie, Robert Ashburton, VIC 3147 (AU) (74) Representative: Jenkins, Peter David et al PAGE WHITE & FARRER 54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)