(19)

(11)

EP 1 664 634 A1

(12)

(43) Date of publication: 07.06.2006 Bulletin 2006/23 (21) Application number: 04728518.4 (22) Date of filing: 21.04.2004

(51) International Patent Classification (IPC):  F24F 1/00(1968.09) F28D 1/053(1985.01) F28F 1/14(1968.09) (86) International application number: PCT/EP2004/004184 (87) International publication number: WO 2005/026622 (24.03.2005 Gazette 2005/12)

(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: 17.09.2003 IT VI20030176 (71) Applicant: De Bei, Gianluca 36061 Bassano del Grappa (IT)	(72) Inventors: DE BEI, Gianluca I-36061 Bassano del Grappa (IT) DE BEI, Claudio I-36061 Bassano del Grappa (IT) (74) Representative: Bettello, Pietro et al Via Col d'Echele, 25 36100 Vicenza 36100 Vicenza (IT)