(19)

(11)

EP 1 853 774 A1

(12)

(43) Date of publication: 14.11.2007 Bulletin 2007/46 (21) Application number: 06740970.6 (22) Date of filing: 08.02.2006

(51) International Patent Classification (IPC):  E04B 1/58(2006.01) E04B 1/24(2006.01) (86) International application number: PCT/ZA2006/000018 (87) International publication number: WO 2006/086803 (17.08.2006 Gazette 2006/33)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 08.02.2005 ZA 200501110 (71) Applicant: Hunter, William George Bloubosrand, 2153 Randburg (ZA)	(72) Inventor: Hunter, William George Bloubosrand, 2153 Randburg (ZA) (74) Representative: Jones, Stephen Anthony et al AdamsonJones BioCity Nottingham Pennyfoot Street Nottingham NG1 1GF Nottingham NG1 1GF (GB)