(19)

(11)

EP 0 063 131 A1

(12)

(43) Date of publication: 27.10.1982 Bulletin 1982/43 (21) Application number: 81902833.0 (22) Date of filing: 23.10.1981

(51) International Patent Classification (IPC):  A63B 69/ 36( . ) (86) International application number: PCT/AU1981/000152 (87) International publication number: WO 1982/001471 (13.05.1982 Gazette 1982/12)

(84) Designated Contracting States: FR (30) Priority: 24.10.1980 AU 19800006215 04.02.1981 AU 19810007474 29.04.1981 AU 19810008632 (71) Applicant: HANSEN, Bob Harri Caringbah South, N.S.W. 2229 (AU)	(72) Inventor: HANSEN, Bob Harri Caringbah South, N.S.W. 2229 (AU) (74) Representative: Needle, Jacqueline, et al  PAGE, WHITE & FARRER 54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)