(19)

(11)

EP 1 537 278 A1

(12)

(43) Date of publication: 08.06.2005 Bulletin 2005/23 (21) Application number: 03722074.6 (22) Date of filing: 27.05.2003

(51) International Patent Classification (IPC)7: E04B 5/40, E04G 11/44 (86) International application number: PCT/AU2003/000643 (87) International publication number: WO 2003/100184 (04.12.2003 Gazette 2003/49)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 27.05.2002 AU PS254602 (71) Applicant: University of Western Sydney Kingswood,New South Wales 2747 (AU)	(72) Inventor: PATRICK, Mark Springwood, New South Wales 2777 (AU) (74) Representative: Tunstall, Christopher Stephen et al Carpmaels & Ransford,43-45 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)