(19)

(11)

EP 0 418 256 A1

(12)

(43) Date of publication: 27.03.1991 Bulletin 1991/13 (21) Application number: 89905374.0 (22) Date of filing: 28.04.1989

(51) International Patent Classification (IPC):  A62C 37/ 46( . ) F42B 3/ 103( . ) (86) International application number: PCT/AU1989/000183 (87) International publication number: WO 1989/012481 (28.12.1989 Gazette 1989/30)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 17.06.1988 AU 19880008839 (71) Applicant: KIDDE-GRAVINER LIMITED Derby DE2 4EE (GB)	(72) Inventor: KIDDE-GRAVINER LIMITED Derby DE2 4EE (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)