(19)

(11)

EP 0 160 677 A1

(12)

(43) Date of publication: 13.11.1985 Bulletin 1985/46 (21) Application number: 84903967.0 (22) Date of filing: 23.10.1984

(51) International Patent Classification (IPC):  F02C 7/ 20( . ) F02C 7/ 24( . ) (86) International application number: PCT/GB1984/000357 (87) International publication number: WO 1985/001987 (09.05.1985 Gazette 1985/11)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 25.10.1983 GB 19830028409 (71) Applicant: COPPIN, Alan Edward Nottinghamshire NG22 OJS (GB)	(72) Inventor: COPPIN, Alan Edward Nottinghamshire NG22 OJS (GB) (74) Representative: Goodman, Christopher, et al  Eric Potter & Clarkson St. Mary's Court St. Mary's Gate Nottingham NG1 1LE Nottingham NG1 1LE (GB)