(19)

(11)

EP 0 160 646 A1

(12)

(43) Date of publication: 13.11.1985 Bulletin 1985/46 (21) Application number: 84900005.0 (22) Date of filing: 19.12.1983

(51) International Patent Classification (IPC):  G01F 23/ 00( . ) G01F 23/ 24( . ) (86) International application number: PCT/AU1983/000187 (87) International publication number: WO 1984/002401 (21.06.1984 Gazette 1984/15)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 17.12.1982 AU 19820007319 (71) Applicant: MOORE, Kevyn Barry Maroochydore, QLD 4558 (AU)	(72) Inventor: MOORE, Kevyn Barry Maroochydore, QLD 4558 (AU)