(19)

(11)

EP 1 417 387 A1

(12)

(43) Date of publication: 12.05.2004 Bulletin 2004/20 (21) Application number: 02715531.6 (22) Date of filing: 21.01.2002

(51) International Patent Classification (IPC)7: E04F 11/18 (86) International application number: PCT/GB2002/000236 (87) International publication number: WO 2002/057568 (25.07.2002 Gazette 2002/30)

(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: 22.01.2001 GB 0101614 12.06.2001 GB 0114357 24.08.2001 GB 0120587 (71) Applicant: NUvations Ltd Weybridge,Surrey KT13 8BB (GB)	(72) Inventor: SHEPPARD, Lynn, John Bagshot,Surrey GU19 5LT (GB) (74) Representative: Hardwick, John Frederick  Parabola,1 Richfield Place,Richfield Avenue Reading RG1 8EQ Reading RG1 8EQ (GB)