(19)

(11)

EP 0 176 575 A1

(12)

(43) Date of publication: 09.04.1986 Bulletin 1986/15 (21) Application number: 85901916.0 (22) Date of filing: 10.04.1985

(51) International Patent Classification (IPC):  F27B 17/ 02( . ) G01N 21/ 74( . ) (86) International application number: PCT/AU1985/000075 (87) International publication number: WO 1985/004717 (24.10.1985 Gazette 1985/23)

(84) Designated Contracting States: BE DE FR GB IT NL (30) Priority: 10.04.1984 AU 19840004498 (71) Applicant: UNISEARCH LIMITED Kensington New South Wales, 2033 (AU)	(72) Inventor: MATOUSEK, Jaroslav, Petr Forestville, NSW (AU)