(19)

(11)

EP 0 231 179 A1

(12)

(43) Date of publication: 12.08.1987 Bulletin 1987/33 (21) Application number: 85904780.0 (22) Date of filing: 25.09.1985

(51) International Patent Classification (IPC):  G01N 21/ 21( . ) G01N 21/ 35( . ) G01J 1/ 16( . ) G01N 21/ 85( . ) (86) International application number: PCT/AU1985/000233 (87) International publication number: WO 1986/002162 (10.04.1986 Gazette 1986/08)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 26.09.1984 AU 19840007348 (71) Applicants: APM LIMITED South Melbourne, VIC 3205 (AU) AUSTRALIAN NEWSPRINT MILLS LIMITED Boyer, TAS 7400 (AU)	(72) Inventors: STUMPF, Erich Bundoora, VIC 3083 (AU) CAHILL, Lawrence, Walter Bundoora, VIC 3083 (AU) BOLDISTON, David, John Alphington, VIC 3078 (AU)