(19)

(11)

EP 0 053 122 A1

(12)

(43) Date of publication: 09.06.1982 Bulletin 1982/23 (21) Application number: 81901299.0 (22) Date of filing: 03.06.1981

(51) International Patent Classification (IPC):  A63C 11/ 02( . ) A63C 11/ 24( . ) (86) International application number: PCT/AU1981/000067 (87) International publication number: WO 1981/003621 (24.12.1981 Gazette 1981/30)

(84) Designated Contracting States: AT CH DE FR GB LI NL SE (30) Priority: 12.06.1980 AU 19800004009 03.02.1981 AU 19810007455 (71) Applicant: MACKENZIE, Andrew Karana Downs, Qld. 4305 (AU)	(72) Inventor: MACKENZIE, Andrew Karana Downs, Qld. 4305 (AU)