(19)

(11)

EP 0 086 799 A1

(12)

(43) Date of publication: 31.08.1983 Bulletin 1983/35 (21) Application number: 82902519.0 (22) Date of filing: 26.08.1982

(51) International Patent Classification (IPC):  B61H 5/ 00( . ) B61H 7/ 12( . ) B61H 7/ 04( . ) B61H 11/ 00( . ) (86) International application number: PCT/AU1982/000143 (87) International publication number: WO 1983/000669 (03.03.1983 Gazette 1983/06)

(84) Designated Contracting States: DE FR GB (30) Priority: 26.08.1981 AU 19810000444 (71) Applicants: FRANCIS, Robert John Holmsville, N.S.W. 2286 (AU) MELANE, Leslie James Charlestown, N.S.W. 2290 (AU)	(72) Inventors: FRANCIS, Robert John Holmsville, N.S.W. 2286 (AU) MELANE, Leslie James Charlestown, N.S.W. 2290 (AU) (74) Representative: Pirson, Jean, et al  GEVERS Patents, Brussels Airport Business Park, Holidaystraat 5 B-1831 Diegem B-1831 Diegem (BE)