(19)

(11)

EP 2 678 494 A1

(12)

(43) Date of publication: 01.01.2014 Bulletin 2014/01 (21) Application number: 12707128.0 (22) Date of filing: 24.02.2012

(51) International Patent Classification (IPC):  E04H 4/14(2006.01) (86) International application number: PCT/GB2012/050419 (87) International publication number: WO 2012/114116 (30.08.2012 Gazette 2012/35)

(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: 25.02.2011 GB 201103259 (71) Applicant: Hempleman-Adams, Mark Nicholas Wiltshire SN13 9LG (GB)	(72) Inventor: Hempleman-Adams, Mark Nicholas Wiltshire SN13 9LG (GB) (74) Representative: Bonner, Catherine Louise et al Chapman Molony 18 Staple Gardens Winchester SO23 8SR Winchester SO23 8SR (GB)