(19)

(11)

EP 0 509 016 A1

(12)

(43) Date of publication: 21.10.1992 Bulletin 1992/43 (21) Application number: 91901909.0 (22) Date of filing: 04.01.1991

(51) International Patent Classification (IPC):  B63C 11/ 16( . ) B63C 11/ 20( . ) (86) International application number: PCT/NO1991/000001 (87) International publication number: WO 1991/009772 (11.07.1991 Gazette 1991/15)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 05.01.1990 NO 19900000060 (71) Applicant: SVELUND, Ernst Johnny N-6590 Tommervag (NO)	(72) Inventor: SVELUND, Ernst Johnny N-6590 Tommervag (NO) (74) Representative: Svanfeldt, Hans-Ake, et al  DR. LUDWIG BRANN PATENTBYRA AB P.O. Box 1344 S-751 43 Uppsala S-751 43 Uppsala (SE)