(19)

(11)

EP 1 998 652 A1

(12)

(43) Date of publication: 10.12.2008 Bulletin 2008/50 (21) Application number: 06808765.9 (22) Date of filing: 20.11.2006

(51) International Patent Classification (IPC):  A47G 19/22(2006.01) (86) International application number: PCT/GB2006/050401 (87) International publication number: WO 2007/057716 (24.05.2007 Gazette 2007/21)

(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 LV MC NL PL PT RO SE SI SK TR (30) Priority: 21.11.2005 GB 0523639 21.07.2006 GB 0614524 (71) Applicant: Stone, Nicholas Jim Cambridge Cambridgeshire CB4 9HS (GB)	(72) Inventor: Stone, Nicholas Jim Cambridge Cambridgeshire CB4 9HS (GB) (74) Representative: Tolfree, Roger  Tolfree Patents and Trademarks, Toll Drove Manea, Cambridgeshire PE15 0JX Manea, Cambridgeshire PE15 0JX (GB)