(19)

(11)

EP 1 643 891 A1

(12)

(43) Date of publication: 12.04.2006 Bulletin 2006/15 (21) Application number: 04733848.8 (22) Date of filing: 19.05.2004

(51) International Patent Classification (IPC):  A47L 9/00(1968.09) A47L 11/40(1968.09) A47L 5/36(1968.09) (86) International application number: PCT/GB2004/002162 (87) International publication number: WO 2004/105567 (09.12.2004 Gazette 2004/50)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 27.05.2003 GB 0312044 (71) Applicant: Dyson Technology Limited Malmesbury, Wiltshire SN16 0RP (GB)	(72) Inventors: HARE, Colin, Irwin Brinkworth, Wiltshire SN15 5DY (GB) FINN-KELCEY, Paul Bristol, Avon BS16 5LD (GB) (74) Representative: Hucker, Nerys et al Intellectual Property Dept. Dyson Technology Limited Tetbury Hill Malmesbury, Wiltshire SN16 0RP Malmesbury, Wiltshire SN16 0RP (GB)