(19)

(11)

EP 1 007 893 A1

(12)

(43) Date of publication: 14.06.2000 Bulletin 2000/24 (21) Application number: 98941187.1 (22) Date of filing: 28.08.1998

(51) International Patent Classification (IPC)7: F28F 13/12 (86) International application number: PCT/CA9800/826 (87) International publication number: WO 9911/995 (11.03.1999 Gazette 1999/10)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 29.08.1997 CA 2214255 (71) Applicant: LONG MANUFACTURING LTD. OakvilleOntario L6K 3E4 (CA)	(72) Inventors: SO, Allen, K. Mississauga, Ontario L5B 2Z1 (CA) STEFANOIU, Dan, Constantin Mississauga, Ontario L5N 7J1 (CA) ZURAWEL, Peter Mississauga, Ontario L5A 2M4 (CA) (74) Representative: Jorio, Paolo et al STUDIO TORTA S.r.l.,Via Viotti, 9 10121 Torino 10121 Torino (IT)