(19)

(11)

EP 1 311 454 A1

(12)

(43) Date of publication: 21.05.2003 Bulletin 2003/21 (21) Application number: 01963620.8 (22) Date of filing: 26.07.2001

(51) International Patent Classification (IPC)7: B67C 9/00, B05C 17/005, A61D 7/00, A61J 1/20 (86) International application number: PCT/NZ0100/150 (87) International publication number: WO 0201/4208 (21.02.2002 Gazette 2002/08)

(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: 11.08.2000 NZ 50632100 07.09.2000 NZ 50683100 (71) Applicant: Prima Technologies Limited Hamilton (NZ)	(72) Inventors: MAIN, John, Robert Hamilton (NZ) MURPHY, Peter, James Auckland (NZ) (74) Representative: Charig, Raymond Julian  Eric Potter Clarkson,Park View House,58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)