(19)

(11)

EP 0 270 564 A1

(12)

(43) Date of publication: 15.06.1988 Bulletin 1988/24 (21) Application number: 87902794.0 (22) Date of filing: 07.05.1987

(51) International Patent Classification (IPC):  B63C 9/ 26( . ) (86) International application number: PCT/NO1987/000036 (87) International publication number: WO 1987/006905 (19.11.1987 Gazette 1987/25)

(84) Designated Contracting States: DE FR GB SE (30) Priority: 07.05.1986 NO 19860001825 (71) Applicant: REKSTEN, Borre N-1347 Hosle (NO)	(72) Inventor: REKSTEN, Borre N-1347 Hosle (NO) (74) Representative: Wilson, Nicholas Martin, et al  WITHERS & ROGERS 4 Dyer's Buildings Holborn London EC1N 2JT London EC1N 2JT (GB)