(19)

(11)

EP 0 149 656 A1

(12)

(43) Date of publication: 31.07.1985 Bulletin 1985/31 (21) Application number: 84902772.0 (22) Date of filing: 18.07.1984

(51) International Patent Classification (IPC):  A63F 9/ 02( . ) (86) International application number: PCT/AU1984/000139 (87) International publication number: WO 1985/000528 (14.02.1985 Gazette 1985/04)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 21.07.1983 AU 19830000408 (71) Applicants: ROBERTS, Neil Shields Moorabbin, VIC 3189 (AU) ROBERTS, Norman John East Brighton, VIC 3187 (AU)	(72) Inventors: ROBERTS, Neil Shields Moorabbin, VIC 3189 (AU) ROBERTS, Norman John East Brighton, VIC 3187 (AU)