(19)

(11)

EP 0 073 774 A1

(12)

(43) Date of publication: 16.03.1983 Bulletin 1983/11 (21) Application number: 82900612.0 (22) Date of filing: 10.03.1982

(51) International Patent Classification (IPC):  F24H 1/ 10( . ) F24H 9/ 20( . ) F24H 1/ 20( . ) (86) International application number: PCT/AU1982/000024 (87) International publication number: WO 1982/003115 (16.09.1982 Gazette 1982/22)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 10.03.1981 AU 19810007928 (71) Applicant: WOODLEIGH, Ronald James Westmead, N.S.W. 2145 (AU)	(72) Inventor: WOODLEIGH, Ronald James Westmead, N.S.W. 2145 (AU)