(19)

(11)

EP 1 253 979 A1

(12)

(43) Date of publication: 06.11.2002 Bulletin 2002/45 (21) Application number: 00975023.3 (22) Date of filing: 24.10.2000

(51) International Patent Classification (IPC)7: B02C 7/08 (86) International application number: PCT/NZ0000/208 (87) International publication number: WO 0103/0501 (03.05.2001 Gazette 2001/18)

(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: 26.10.1999 NZ 50068099 (71) Applicant: Metso Minerals (New Zealand) Limited Matamata 2271 (NZ)	(72) Inventors: KENNEWELL, Neville, Hugh Warners Bay, NSW 2282 (AU) COUNSELL, Phillip Matamata (NZ) (74) Representative: Alexander, Thomas Bruce  BOULT WADE TENNANT,Verulam Gardens70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)