(19)

(11)

EP 0 221 983 A1

(12)

(43) Date of publication: 20.05.1987 Bulletin 1987/21 (21) Application number: 86903457.0 (22) Date of filing: 15.05.1986

(51) International Patent Classification (IPC):  B63B 7/ 08( . ) (86) International application number: PCT/GB1986/000268 (87) International publication number: WO 1986/007024 (04.12.1986 Gazette 1986/26)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 18.05.1985 GB 19850012614 (71) Applicant: HOYLE MARINE LTD. Wallasey Merseyside L44 7HY (GB)	(72) Inventor: MILLIGAN, Donald Thornton Hough, Wirral Merseyside (GB)