(19)

(11)

EP 0 094 944 A1

(12)

(43) Date of publication: 30.11.1983 Bulletin 1983/48 (21) Application number: 82903298.0 (22) Date of filing: 19.11.1982

(51) International Patent Classification (IPC):  B63H 9/ 04( . ) B63H 25/ 38( . ) B63H 25/ 06( . ) (86) International application number: PCT/AU1982/000191 (87) International publication number: WO 1983/001934 (09.06.1983 Gazette 1983/14)

(84) Designated Contracting States: BE DE FR GB NL SE (30) Priority: 30.11.1981 AU 19810001753 (71) Applicant: DAW, Donald George Burnside SA 5066 (AU)	(72) Inventor: DAW, Donald George Burnside SA 5066 (AU) (74) Representative: Orr, William McLean, et al  Haseltine Lake & Co Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)