(19)

(11)

EP 0 843 799 A1

(12)

(43) Date of publication: 27.05.1998 Bulletin 1998/22 (21) Application number: 96925620.0 (22) Date of filing: 31.07.1996

(51) International Patent Classification (IPC):  F24F 12/ 00( . ) (86) International application number: PCT/CA1996/000518 (87) International publication number: WO 1997/006390 (20.02.1997 Gazette 1997/09)

(84) Designated Contracting States: BE DE DK ES FR GB IT (30) Priority: 08.08.1995 CA 19952155628 (71) Applicant: Turcotte Inc. Longueil, Québec J4G 1P1 (CA)	(72) Inventors: TURCOTTE, Yvon Boucherville, Québec J4B 6H1 (CA) COULOMBE, Alain Montréal, Québec H2H 2R9 (CA) (74) Representative: Thévenet, Jean-Bruno, et al  Cabinet Beau de Loménie 158, rue de l'Université 75340 Paris Cédex 07 75340 Paris Cédex 07 (FR)