(19)

(11)

EP 2 766 534 A1

(12)

(43) Date of publication: 20.08.2014 Bulletin 2014/34 (21) Application number: 12791221.0 (22) Date of filing: 11.10.2012

(51) International Patent Classification (IPC):  E04B 1/344(2006.01) E04H 15/52(2006.01) E04H 15/50(2006.01) (86) International application number: PCT/GB2012/000777 (87) International publication number: WO 2013/054075 (18.04.2013 Gazette 2013/16)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 13.10.2011 GB 201117676 (71) Applicant: Clark, Donald H. Cranleigh Surrey GU6 8JP (GB)	(72) Inventor: Clark, Donald H. Cranleigh Surrey GU6 8JP (GB) (74) Representative: Jones, Graham Henry  Graham Jones & Company 77 Beaconsfield Road Blackheath, London SE3 7LG Blackheath, London SE3 7LG (GB)