(19)

(11)

EP 0 500 666 A1

(12)

(43) Date of publication: 02.09.1992 Bulletin 1992/36 (21) Application number: 90916770.0 (22) Date of filing: 16.11.1990

(51) International Patent Classification (IPC):  A62C 3/ 08( . ) A62C 35/ 62( . ) A62C 31/ 02( . ) A62C 37/ 50( . ) (86) International application number: PCT/GB1990/001767 (87) International publication number: WO 1991/007208 (30.05.1991 Gazette 1991/12)

(84) Designated Contracting States: DE FR IT NL SE (30) Priority: 17.11.1989 GB 19890026086 (71) Applicant: KIDDE-GRAVINER LIMITED Derby DE2 4EE (GB)	(72) Inventors: FARQUHAR, Robert, Lindsay Reading Berkshire RG5 4PN (GB) BALL, David, Nicholas Windsor Berkshire SL4 3BH (GB) WHITFIELD, Raymond, Tindall Kensington London W8 6PD (GB) (74) Representative: Bibby, William Mark, et al  Mathisen, Macara & co. The Coach House 6-8 Swakeleys Road Ickenham Uxbridge UB10 8BZ Ickenham Uxbridge UB10 8BZ (GB)