(19)

(11)

EP 1 737 326 A1

(12)

(43) Date of publication: 03.01.2007 Bulletin 2007/01 (21) Application number: 05731808.1 (22) Date of filing: 08.04.2005

(51) International Patent Classification (IPC):  A47L 9/04(2006.01) (86) International application number: PCT/GB2005/001379 (87) International publication number: WO 2005/096907 (20.10.2005 Gazette 2005/42)

(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: 08.04.2004 GB 0408120 18.09.2004 GB 0420758 (71) Applicant: Grey Technology Limited Whittington, Worcester WR5 2RQ (GB)	(72) Inventor: GREY, Nicholas, Gerald Crowle Worcestershire WR7 4BH (GB) (74) Representative: Jackson, Derek Charles  Derek Jackson Associates The Old Yard Lower Town Claines Worcester WR3 7RY Claines Worcester WR3 7RY (GB)