(19)

(11)

EP 2 235 274 A1

(12)

(43) Date of publication: 06.10.2010 Bulletin 2010/40 (21) Application number: 08863278.1 (22) Date of filing: 18.12.2008

(51) International Patent Classification (IPC):  E04B 1/343(2006.01) E04H 1/02(2006.01) (86) International application number: PCT/GB2008/051203 (87) International publication number: WO 2009/077792 (25.06.2009 Gazette 2009/26)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 18.12.2007 GB 0724666 (71) Applicant: Marks Barfield Ltd London, Greater London SW4 0BG (GB)	(72) Inventor: CHILTON, Steven, Mark Greater London SW14 8NX (GB) (74) Representative: Suèr, Steven Johannes et al Ablett & Stebbing Caparo House 101-103 Baker Street London W1U 6FQ London W1U 6FQ (GB)