(19)

(11)

EP 1 554 444 A1

(12)

(43) Date of publication: 20.07.2005 Bulletin 2005/29 (21) Application number: 03757529.7 (22) Date of filing: 22.10.2003

(51) International Patent Classification (IPC)7: E04C 3/07, F16S 3/00, B21D 47/01, B21D 51/06 (86) International application number: PCT/AU2003/001402 (87) International publication number: WO 2004/038122 (06.05.2004 Gazette 2004/19)

(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: 23.10.2002 AU 2002952221 (71) Applicant: Charlwood, Grant Mulgoa, NSW 2475 (AU)	(72) Inventor: Charlwood, Grant Mulgoa, NSW 2475 (AU) (74) Representative: Ryan, Anne Mary et al c/o Anne Ryan & Co.60 Northumberland Road BallsbridgeDublin 4 BallsbridgeDublin 4 (IE)