(19)

(11)

EP 1 200 192 A1

(12)

(43) Date of publication: 02.05.2002 Bulletin 2002/18 (21) Application number: 00931772.8 (22) Date of filing: 09.06.2000

(51) International Patent Classification (IPC)7: B02C 7/11, B02C 7/08, B22D 19/04, B22D 19/16 (86) International application number: PCT/NZ0000/094 (87) International publication number: WO 0076/666 (21.12.2000 Gazette 2000/51)

(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: 10.06.1999 NZ 33621799 (71) Applicant: Svedala New Zealand Limited Matamata 2271 (NZ)	(72) Inventors: Hebbar, Bala Murali Auckland (NZ) Counsell, Phillip Matamata (NZ) (74) Representative: Barlow, Roy James et al J.A. KEMP & CO.14, South SquareGray's Inn London WC1R 5JJ London WC1R 5JJ (GB)