(19)

(11)

EP 0 469 032 A1

(12)

(43) Date of publication: 05.02.1992 Bulletin 1992/06 (21) Application number: 90906383.0 (22) Date of filing: 18.04.1990

(51) International Patent Classification (IPC):  B63B 9/ 06( . ) B63B 25/ 08( . ) B63B 11/ 02( . ) B63B 25/ 12( . ) (86) International application number: PCT/NO1990/000067 (87) International publication number: WO 1990/012730 (01.11.1990 Gazette 1990/25)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 18.04.1989 NO 19890001578 (71) Applicant: ARVESEN & CO. A/S N-0381 Oslo 3 (NO)	(72) Inventor: ARVESEN, Öystein N-0378 Oslo 3 (NO) (74) Representative: Kierkegaard, Lars-Olov  H. Albihns Patentbyra AB, P.O. Box 3137 S-103 62 Stockholm S-103 62 Stockholm (SE)