(19)

(11)

EP 1 722 666 A1

(12)

(43) Date of publication: 22.11.2006 Bulletin 2006/47 (21) Application number: 05717771.9 (22) Date of filing: 23.02.2005

(51) International Patent Classification (IPC):  A47L 9/00(2006.01) A47L 9/02(2006.01) (86) International application number: PCT/GB2005/000677 (87) International publication number: WO 2005/087072 (22.09.2005 Gazette 2005/38)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 12.03.2004 GB 0405591 (71) Applicant: Dyson Technology Limited Malmesbury, Wilts SN16 0RP (GB)	(72) Inventor: ADAMS, Paul Michael London, Greater London SW9 9RH (GB) (74) Representative: Bonner, Catherine Louise et al Dyson Technology Limited Tetbury Hill GB-Malmesbury, Wiltshire SN16 0RP GB-Malmesbury, Wiltshire SN16 0RP (GB)