(19)

(11)

EP 1 389 153 A1

(12)

(43) Date of publication: 18.02.2004 Bulletin 2004/08 (21) Application number: 02723037.4 (22) Date of filing: 22.04.2002

(51) International Patent Classification (IPC)7: B24C 7/00, B24C 1/04 (86) International application number: PCT/SG2002/000065 (87) International publication number: WO 2002/085573 (31.10.2002 Gazette 2002/44)

(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: 21.04.2001 SG 200102219 (71) Applicant: Jetsis International Pte Ltd Singapore 729934 (SG)	(72) Inventor: GADD, Michael William Singapore 650171 (SG) (74) Representative: Curtis, Philip Anthony et al A.A. Thornton & Co.,235 High Holborn London WC1V 7LE London WC1V 7LE (GB)