(19)

(11)

EP 1 232 338 A1

(12)

(43) Date of publication: 21.08.2002 Bulletin 2002/34 (21) Application number: 00974162.0 (22) Date of filing: 08.11.2000

(51) International Patent Classification (IPC)7: F02M 31/18, F02M 21/06 (86) International application number: PCT/AU0001/368 (87) International publication number: WO 0103/4962 (17.05.2001 Gazette 2001/20)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 09.11.1999 AU PQ392999 (71) Applicant: Sangster, James Timothy Thomastown, VIC 3074 (AU)	(72) Inventor: Sangster, James Timothy Thomastown, VIC 3074 (AU) (74) Representative: Savolainen, Seppo Kalevi  Oy Kolster Ab,Iso Roobertinkatu 23,P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)