(19)

(11)

EP 1 362 135 A1

(12)

(43) Date of publication: 19.11.2003 Bulletin 2003/47 (21) Application number: 02712062.5 (22) Date of filing: 12.02.2002

(51) International Patent Classification (IPC)7: D06F 35/00, D06F 43/00, D06F 25/00 (86) International application number: PCT/GB0200/619 (87) International publication number: WO 0206/6724 (29.08.2002 Gazette 2002/35)

(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: 20.02.2001 GB 0104077 (71) Applicant: North, John Herbert Norwich NR5 8PR (GB)	(72) Inventor: North, John Herbert Norwich NR5 8PR (GB) (74) Representative: Nash, Keith Wilfrid et al KEITH W. NASH & Co.,90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB)