(19)

(11)

EP 2 516 773 A1

(12)

(43) Date of publication: 31.10.2012 Bulletin 2012/44 (21) Application number: 10787129.5 (22) Date of filing: 07.12.2010

(51) International Patent Classification (IPC):  E04G 21/32(2006.01) (86) International application number: PCT/EP2010/069082 (87) International publication number: WO 2011/076559 (30.06.2011 Gazette 2011/26)

(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: 23.12.2009 GB 0922470 (71) Applicant: Davies, Neil Birmingham, West Midlands B30 1PX (GB)	(72) Inventor: Davies, Neil Birmingham, West Midlands B30 1PX (GB) (74) Representative: Jackson, Derek Charles  Derek Jackson Associates The Old Yard Lower Town Claines Worcestershire WR3 7RY Lower Town Claines Worcestershire WR3 7RY (GB)