(19)

(11)

EP 1 390 590 A2

(12)

(88) Date of publication A3: 06.03.2003 (43) Date of publication: 25.02.2004 Bulletin 2004/09 (21) Application number: 02717873.0 (22) Date of filing: 24.04.2002

(51) International Patent Classification (IPC)7: E04D 1/00 (86) International application number: PCT/AU2002/000511 (87) International publication number: WO 2002/088484 (07.11.2002 Gazette 2002/45)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 26.04.2001 AU PR459201 09.05.2001 AU PR487901 22.03.2002 AU PS130802 (71) Applicant: Podirsky, Bernhard Arundel,Queensland 4214 (AU)	(72) Inventor: Podirsky, Bernhard Arundel,Queensland 4214 (AU) (74) Representative: Hengelhaupt, Jürgen D., Dipl.-Ing. et al Gulde Hengelhaupt Ziebig & Schneider,Schützenstrasse 15-17 10117 Berlin 10117 Berlin (DE)