(19)

(11)

EP 1 763 618 A1

(12)

(43) Date of publication: 21.03.2007 Bulletin 2007/12 (21) Application number: 05708433.7 (22) Date of filing: 22.02.2005

(51) International Patent Classification (IPC):  E04G 23/02(2006.01) (86) International application number: PCT/GB2005/000655 (87) International publication number: WO 2005/083200 (09.09.2005 Gazette 2005/36)

(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: 24.02.2004 GB 0404094 11.08.2004 GB 0417853 (71) Applicants: Lundie, Andrew Southwood Farnborough, Hants GU14 0PH (GB) Duffy, Angela Farnborough, Hants GU14 0JN (GB)	(72) Inventor: Lundie, Andrew Farnborough, Hants, GU14 0PH (GB) (74) Representative: Harman, Michael Godfrey  M G Harman & Co., Holmwood, 37 Upper Park Road Camberley, Surrey GU15 2EG Camberley, Surrey GU15 2EG (GB)