(19)

(11)

EP 1 623 169 A1

(12)

(43) Date of publication: 08.02.2006 Bulletin 2006/06 (21) Application number: 04725860.3 (22) Date of filing: 06.04.2004

(51) International Patent Classification (IPC):  F25D 23/00(1968.09) (86) International application number: PCT/AU2004/000447 (87) International publication number: WO 2004/090444 (21.10.2004 Gazette 2004/43)

(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 (30) Priority: 07.04.2003 AU 2003901561 (71) Applicant: DNA Holdings Pty Ltd. Jolimont, Western Australia 6014 (AU)	(72) Inventor: MORRIS, Griff, Michael Jolimont, Western Australia 6014 (AU) (74) Representative: Maggs, Michael Norman  Kilburn & Strode 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)