(19)

(11)

EP 1 838 934 A1

(12)

(43) Date of publication: 03.10.2007 Bulletin 2007/40 (21) Application number: 06700038.0 (22) Date of filing: 04.01.2006

(51) International Patent Classification (IPC):  E04C 1/40(2006.01) (86) International application number: PCT/AU2006/000001 (87) International publication number: WO 2006/072130 (13.07.2006 Gazette 2006/28)

(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: 04.01.2005 AU 2005900005 (71) Applicant: Benex Technologies Pty Ltd Orange, NSW 2800 (AU)	(72) Inventor: Bennett, Kerry, Robert Orange, NSW 2800 (AU) (74) Representative: Brosch, Oliver et al Kutzenberger & Wolff Theodor-Heuss-Ring 23 50668 Köln 50668 Köln (DE)