(19)

(11)

EP 2 430 255 A1

(12)

(43) Date of publication: 21.03.2012 Bulletin 2012/12 (21) Application number: 09844561.2 (22) Date of filing: 21.12.2009

(51) International Patent Classification (IPC):  E04C 1/00(2006.01) E04B 2/02(2006.01) (86) International application number: PCT/IB2009/055876 (87) International publication number: WO 2010/131083 (18.11.2010 Gazette 2010/46)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 13.05.2009 ZA 200903310 (71) Applicant: Esterhuizen, Andre 7441 Cape Town (ZA)	(72) Inventor: Esterhuizen, Andre 7441 Cape Town (ZA) (74) Representative: Coles, Graham Frederick  Graham Coles & Co. 24 Seeleys Road Beaconsfield Buckinghamshire HP9 1SZ Beaconsfield Buckinghamshire HP9 1SZ (GB)