(19)

(11)

EP 0 177 537 A1

(12)

(43) Date of publication: 16.04.1986 Bulletin 1986/16 (21) Application number: 85901524.0 (22) Date of filing: 09.04.1985

(51) International Patent Classification (IPC):  F21S 10/ 02( . ) F21S 10/ 06( . ) (86) International application number: PCT/GB1985/000154 (87) International publication number: WO 1985/004702 (24.10.1985 Gazette 1985/23)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 06.04.1984 GB 19840009030 (71) Applicant: ECONOMAIR PANCAN LIMITED London W11 1JJ (GB)	(72) Inventor: WYNNE WILLSON, Peter, David London N4 (GB) (74) Representative: Garratt, Peter Douglas  Mathys & Squire 100 Grays Inn Road London WC1X 8AL London WC1X 8AL (GB)