(19)

(11)

EP 1 631 771 A1

(12)

(43) Date of publication: 08.03.2006 Bulletin 2006/10 (21) Application number: 04722766.5 (22) Date of filing: 24.03.2004

(51) International Patent Classification (IPC):  F24D 17/00(1968.09) F24H 4/04(1990.01) F24H 9/14(1968.09) F24D 17/02(1990.01) F24H 1/18(1968.09) (86) International application number: PCT/AU2004/000365 (87) International publication number: WO 2004/085927 (07.10.2004 Gazette 2004/41)

(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 PL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 28.03.2003 AU 2003901610 08.09.2003 AU 2003904887 (71) Applicant: Siddons Stevens Developments Pty Ltd South Melbourne, Victoria 3205 (AU)	(72) Inventor: STEVENS, Rodney Campbellfield, Victoria 3061 (AU) (74) Representative: Hehenberger, Reinhard et al Patentanwalt Lindengasse 8 1070 Wien 1070 Wien (AT)