(19)

(11)

EP 0 107 649 A1

(12)

(43) Date of publication: 09.05.1984 Bulletin 1984/19 (21) Application number: 82901545.0 (22) Date of filing: 26.04.1982

(51) International Patent Classification (IPC):  B63C 9/ 20( . ) G08B 5/ 36( . ) G08B 5/ 38( . ) (86) International application number: PCT/SE1982/000135 (87) International publication number: WO 1983/003915 (10.11.1983 Gazette 1983/26)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: FORSBERG, Owe René S-415 21 Göteborg (SE)	(72) Inventor: FORSBERG, Owe René S-415 21 Göteborg (SE)