(19)

(11)

EP 1 220 634 A1

(12)

(43) Date of publication: 10.07.2002 Bulletin 2002/28 (21) Application number: 00951098.3 (22) Date of filing: 09.08.2000

(51) International Patent Classification (IPC)7: A47L 5/36, A47L 7/00, A47L 9/02, A47L 11/30, B08B 5/04, E01H 1/00 (86) International application number: PCT/AU0000/945 (87) International publication number: WO 0115/590 (08.03.2001 Gazette 2001/10)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 30.08.1999 AU PQ254399 (71) Applicant: Olsen, Garry Thornlie, W.A. 6108 (AU)	(72) Inventor: Olsen, Garry Thornlie, W.A. 6108 (AU) (74) Representative: Pedder, James Cuthbert  Barlin Associates,Barlin House,50 Throwley Way Sutton,Surrey SM1 4BF Sutton,Surrey SM1 4BF (GB)