(19)

(11)

EP 0 169 199 A1

(12)

(43) Date of publication: 29.01.1986 Bulletin 1986/05 (21) Application number: 84901091.0 (22) Date of filing: 13.02.1984

(51) International Patent Classification (IPC):  E02F 3/ 90( . ) E02F 7/ 10( . ) E02F 3/ 92( . ) (86) International application number: PCT/GB1984/000038 (87) International publication number: WO 1984/003115 (16.08.1984 Gazette 1984/20)

(84) Designated Contracting States: BE DE FR GB NL (30) Priority: 14.02.1983 GB 19830004002 (71) Applicant: ARROL, Simon James Louth Lincolnshire LN11 9LJ (GB)	(72) Inventor: ARROL, Simon James Louth Lincolnshire LN11 9LJ (GB) (74) Representative: Cline, Roger Ledlie  EDWARD EVANS & CO. Chancery House 53-64 Chancery Lane London WC2A 1SD London WC2A 1SD (GB)