(19)

(11)

EP 0 185 711 A1

(12)

(43) Date of publication: 02.07.1986 Bulletin 1986/27 (21) Application number: 85902945.0 (22) Date of filing: 21.06.1985

(51) International Patent Classification (IPC):  D06B 11/ 00( . ) (86) International application number: PCT/AU1985/000137 (87) International publication number: WO 1986/000348 (16.01.1986 Gazette 1986/02)

(84) Designated Contracting States: BE DE FR GB IT (30) Priority: 21.06.1984 AU 19840005622 (71) Applicant: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION Parkville, VIC 3052 (AU)	(72) Inventors: MIHAJLOVIC, Steven, Vincent Lovely Banks, VIC 3221 (AU) PEARSON, Anthony, John, Crawford Highton, VIC 3216 (AU) WHITE, Maxwell, Alexander Newtown, VIC 3220 (AU) (74) Representative: Miller, Joseph, et al  J. MILLER & CO. 34 Bedford Row, Holborn London WC1R 4JH London WC1R 4JH (GB)