(19)

(11)

EP 1 012 410 A1

(12)

(43) Date of publication: 28.06.2000 Bulletin 2000/26 (21) Application number: 97925772.2 (22) Date of filing: 17.06.1997

(51) International Patent Classification (IPC)7: E02F 5/02, E02F 9/22 (86) International application number: PCT/AU9700/380 (87) International publication number: WO 9748/860 (24.12.1997 Gazette 1997/55)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 17.06.1996 AU PO051196 (71) Applicant: Australian Equipment Designers Pty. Ltd. Mangerton, NSW 2500 (AU)	(72) Inventors: LEEDER, Lindsay, John Rosebud, VIC 3939 (AU) BROWN, Desmond, Kenneth Rosebud, VIC 3939 (AU) GRIFFITHS, Peter, David Rosebud, VIC 3939 (AU) (74) Representative: Eastwood, Simon Christopher et al Wynne-Jones,Lainé & James,Essex Place,22 Rodney Road Cheltenham, Glos. GL50 1JJ Cheltenham, Glos. GL50 1JJ (GB)