(19)

(11)

EP 1 088 218 A1

(12)

(43) Date of publication: 04.04.2001 Bulletin 2001/14 (21) Application number: 99931308.3 (22) Date of filing: 18.06.1999

(51) International Patent Classification (IPC)7: G01N 21/89 (86) International application number: PCT/FI9900/535 (87) International publication number: WO 9966/315 (23.12.1999 Gazette 1999/51)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IT LI NL PT SE (30) Priority: 18.06.1998 FI 981426 (71) Applicant: Visy Oy 78250 Varkaus (FI)	(72) Inventors: LAINE, Mika FIN-78310 Varkaus (FI) SAARINEN, Kari FIN-33720 Tampere (FI) (74) Representative: Pitkänen, Hannu Alpo Antero  Pitkänen Oy,PL 1750 70211 Kuopio 70211 Kuopio (FI)