(19)

(11)

EP 0 172 196 A1

(12)

(43) Date of publication: 26.02.1986 Bulletin 1986/09 (21) Application number: 85900955.0 (22) Date of filing: 19.02.1985

(51) International Patent Classification (IPC):  B64F 1/ 12( . ) (86) International application number: PCT/AU1985/000028 (87) International publication number: WO 1985/003685 (29.08.1985 Gazette 1985/19)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 21.02.1984 AU 19840003727 (71) Applicant: STONEY, Gregory Dennis Marble Bar, W.A. (AU)	(72) Inventor: STONEY, Gregory Dennis Marble Bar, W.A. (AU)