(19)

(11)

EP 0 151 109 A1

(12)

(43) Date of publication: 14.08.1985 Bulletin 1985/33 (21) Application number: 83902283.0 (22) Date of filing: 27.07.1983

(51) International Patent Classification (IPC):  B63C 7/ 18( . ) (86) International application number: PCT/GB1983/000183 (87) International publication number: WO 1985/000571 (14.02.1985 Gazette 1985/04)

(84) Designated Contracting States: AT CH DE FR LI LU NL SE (71) Applicant: GRAHAM, Finlay M. Tunbridge Wells, Kent (GB)	(72) Inventor: GRAHAM, Finlay M. Tunbridge Wells, Kent (GB)