(19)

(11)

EP 1 432 914 A1

(12)

(43) Date of publication: 30.06.2004 Bulletin 2004/27 (21) Application number: 02800031.3 (22) Date of filing: 01.10.2002

(51) International Patent Classification (IPC)7: F04D 15/02, F04B 49/06, G01L 19/14, G01K 13/02 (86) International application number: PCT/AU2002/001334 (87) International publication number: WO 2003/029656 (10.04.2003 Gazette 2003/15)

(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: 03.10.2001 AU PR806801 (71) Applicant: Davey Products PTY Ltd Scoresby, VIC 3179 (AU)	(72) Inventors: BERRYMAN, Walter, Henry Croydon, Victoria 3136 (AU) MCDONALD, Hugh, Barr Boronia, Victoria 3155 (AU) (74) Representative: Pratt, David Martin  Withers & Rogers,Goldings House,2 Hays Lane London SE1 2HW London SE1 2HW (GB)