(19)

(11)

EP 0 745 208 A1

(12)

(43) Date of publication: 04.12.1996 Bulletin 1996/49 (21) Application number: 95907792.0 (22) Date of filing: 13.02.1995

(51) International Patent Classification (IPC):  F23D 14/ 58( . ) (86) International application number: PCT/GB1995/000293 (87) International publication number: WO 1995/022719 (24.08.1995 Gazette 1995/36)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 16.02.1994 GB 19940002939 (71) Applicant: BRAY TECHNOLOGIES PLC Leeds, West Yorkshire LS7 2AN (GB)	(72) Inventor: HARGREAVES, Keith Leeds West Yorkshire LS7 2AN (GB) (74) Representative: Denmark, James  Bailey, Walsh & Co. 5 York Place Leeds LS1 2SD Yorkshire Leeds LS1 2SD Yorkshire (GB)