(19)

(11)

EP 0 130 987 A1

(12)

(43) Date of publication: 16.01.1985 Bulletin 1985/03 (21) Application number: 83902235.0 (22) Date of filing: 25.07.1983

(51) International Patent Classification (IPC):  B63H 9/ 06( . ) B63B 35/ 79( . ) (86) International application number: PCT/AU1983/000096 (87) International publication number: WO 1984/000529 (16.02.1984 Gazette 1984/05)

(84) Designated Contracting States: CH DE FR GB LI NL (30) Priority: 28.07.1982 AU 19820005077 13.10.1982 AU 19820006323 10.12.1982 AU 19820091424 (71) Applicant: RUTSON, Christopher Robert Brisbane QLD 4104 (AU)	(72) Inventor: RUTSON, Christopher Robert Brisbane QLD 4104 (AU) (74) Representative: Berg, Gert  Tal 43 D-80331 München D-80331 München (DE)