(19)

(11)

EP 1 079 903 A1

(12)

(43) Date of publication: 07.03.2001 Bulletin 2001/10 (21) Application number: 99918980.6 (22) Date of filing: 12.05.1999

(51) International Patent Classification (IPC)7: A63F 1/00 (86) International application number: PCT/AU9900/357 (87) International publication number: WO 9958/211 (18.11.1999 Gazette 1999/46)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 12.05.1998 AU PP347798 (71) Applicant: Ama Consulting Engineers (QLD) Pty. Ltd Brisbane, QLD 4000 (AU)	(72) Inventor: MANOV, Atanas, Vissilev Mansfield, QLD 4122 (AU) (74) Representative: Jones, Graham H.  Graham Jones & CompanyBlackheath77 Beaconsfield Road London SE3 7LG London SE3 7LG (GB)