(19)

(11)

EP 0 161 241 A1

(12)

(43) Date of publication: 21.11.1985 Bulletin 1985/47 (21) Application number: 83903429.0 (22) Date of filing: 24.10.1983

(51) International Patent Classification (IPC):  B63H 9/ 08( . ) (86) International application number: PCT/SE1983/000360 (87) International publication number: WO 1985/001929 (09.05.1985 Gazette 1985/11)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicants: WINQVIST, Sven Gustaf S-181 90 Lidingö (SE) LUNDBERG, Lars S-181 90 Lidingö (SE)	(72) Inventors: WINQVIST, Sven Gustaf S-181 90 Lidingö (SE) LUNDBERG, Lars S-181 90 Lidingö (SE)