(19)

(11)

EP 1 516 148 A1

(12)

(43) Date of publication: 23.03.2005 Bulletin 2005/12 (21) Application number: 03727069.1 (22) Date of filing: 28.05.2003

(51) International Patent Classification (IPC)7: F24J 3/00, F28F 13/18 (86) International application number: PCT/CA2003/000778 (87) International publication number: WO 2003/100327 (04.12.2003 Gazette 2003/49)

(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: 28.05.2002 US 383115 P (71) Applicant: Latos, Gordon Calgary, Alberta T3H 2P2 (CA)	(72) Inventor: Latos, Gordon Calgary, Alberta T3H 2P2 (CA) (74) Representative: Legg, Cyrus James Grahame et al ABEL & IMRAY,20 Red Lion Street London WC1R 4PQ London WC1R 4PQ (GB)