(19)

(11)

EP 0 233 911 A1

(12)

(43) Date of publication: 02.09.1987 Bulletin 1987/36 (21) Application number: 86904957.0 (22) Date of filing: 18.08.1986

(51) International Patent Classification (IPC):  B63B 35/ 79( . ) (86) International application number: PCT/NO1986/000058 (87) International publication number: WO 1987/001089 (26.02.1987 Gazette 1987/05)

(84) Designated Contracting States: AT BE CH DE FR IT LI NL SE (30) Priority: 19.08.1985 NO 19850003253 18.02.1986 NO 19860000594 (71) Applicant: HAMUNEN, Isto N-5035 Bergen-Sandviken (NO)	(72) Inventor: HAMUNEN, Isto N-5035 Bergen-Sandviken (NO) (74) Representative: Lee, Philip Graham, et al  MARKS & CLERK 57/60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)