(19)

(11)

EP 1 474 575 A1

(12)

(43) Date of publication: 10.11.2004 Bulletin 2004/46 (21) Application number: 02806567.0 (22) Date of filing: 24.12.2002

(51) International Patent Classification (IPC)7: E04B 1/14 (86) International application number: PCT/GB2002/005919 (87) International publication number: WO 2003/062545 (31.07.2003 Gazette 2003/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 16.01.2002 GB 0200881 (71) Applicant: JAMES LUPTON CONSULTANTS LIMITED West Yorkshire WF5 8AF (GB)	(72) Inventor: LUPTON, James WEst Yorkshire WF5 8AF (GB) (74) Representative: Waddington, Richard et al Appleyard Lees,15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)