(19)

(11)

EP 2 004 923 A1

(12)

(43) Date of publication: 24.12.2008 Bulletin 2008/52 (21) Application number: 07718613.8 (22) Date of filing: 23.03.2007

(51) International Patent Classification (IPC):  E04B 9/20(2006.01) E04B 2/96(2006.01) E04F 13/07(2006.01) F16B 7/14(2006.01) (86) International application number: PCT/AU2007/000366 (87) International publication number: WO 2007/109839 (04.10.2007 Gazette 2007/40)

(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 (30) Priority: 24.03.2006 AU 2006901524 24.03.2006 AU 2006901526 20.02.2007 AU 2007200753 (71) Applicant: Wang, Rong Feng Campsie, NSW 2194 (AU)	(72) Inventor: Wang, Rong Feng Campsie, NSW 2194 (AU) (74) Representative: Lenne, Laurence et al Feray Lenne Conseil 39/41, avenue Aristide Briand 92163 Antony Cedex 92163 Antony Cedex (FR)