(19)

(11)

EP 2 021 551 A1

(12)

(43) Date of publication: 11.02.2009 Bulletin 2009/07 (21) Application number: 07718869.6 (22) Date of filing: 10.05.2007

(51) International Patent Classification (IPC):  E04B 1/04(2006.01) E04C 1/00(2006.01) (86) International application number: PCT/AU2007/000622 (87) International publication number: WO 2007/128082 (15.11.2007 Gazette 2007/46)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 10.05.2006 AU 2006902458 (71) Applicant: Benex Technologies Pty Ltd Orange, NSW 2800 (AU)	(72) Inventor: BENNETT, Kerry Orange, NSW 2800 (AU) (74) Representative: ABG Patentes, S.L.  Avenida de Burgos 16D Edificio Euromor 28036 Madrid 28036 Madrid (ES)