(19)

(11)

EP 0 116 586 A1

(12)

(43) Date of publication: 29.08.1984 Bulletin 1984/35 (21) Application number: 83902633.0 (22) Date of filing: 11.08.1983

(51) International Patent Classification (IPC):  F41H 3/ 02( . ) D06N 7/ 00( . ) F41H 3/ 00( . ) B63G 13/ 02( . ) F16L 59/ 08( . ) G12B 17/ 06( . ) (86) International application number: PCT/AU1983/000108 (87) International publication number: WO 1984/000807 (01.03.1984 Gazette 1984/06)

(84) Designated Contracting States: BE CH DE FR GB LI NL SE (30) Priority: 19.08.1982 AU 19820005476 (71) Applicant: THE COMMONWEALTH OF AUSTRALIA Canberra, Australian Capital Territory 2600 (AU)	(72) Inventors: SCOTT, Owen, Seymour One Tree Hill, S.A. 5114 (AU) CONSIDINE, John Ridgehaven, S.A. 5197 (AU) (74) Representative: Opperman, Stuart Richard, et al  Haseltine Lake & Co. Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)