(19)

(11)

EP 0 204 734 A1

(12)

(43) Date of publication: 17.12.1986 Bulletin 1986/51 (21) Application number: 85905738.0 (22) Date of filing: 18.11.1985

(51) International Patent Classification (IPC):  F24J 2/ 44( . ) F24J 2/ 46( . ) F24J 2/ 34( . ) (86) International application number: PCT/AU1985/000285 (87) International publication number: WO 1986/003280 (05.06.1986 Gazette 1986/12)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 19.11.1984 AU 19840008188 (71) Applicant: K. and K. Holdings PTY. Ltd. Canning Vale, Western Australia (AU)	(72) Inventors: WILLIAMSON, Kenneth, George Byford, W.A. 6201 (AU) GRAHAM, Keith, Stuart, Pamplin Peppermint Grove, W.A. 6011 (AU) (74) Representative: Matthews, Graham Farrah, et al  BROOKES & MARTIN Incorporating MATTHEWS, HADDAN & CO. High Holborn House 52/54, High Holborn London, WC1V 6SE London, WC1V 6SE (GB)