(19)

(11)

EP 1 159 474 A1

(12)

(43) Date of publication: 05.12.2001 Bulletin 2001/49 (21) Application number: 99900885.7 (22) Date of filing: 15.01.1999

(51) International Patent Classification (IPC)7: D03D 27/00, D04H 11/00, D04H 1/54, D04H 1/48 (86) International application number: PCT/FI9900/023 (87) International publication number: WO 0044/969 (03.08.2000 Gazette 2000/31)

(84) Designated Contracting States: AT BE CH CY DE DK ES FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: VALTION TEKNILLINEN TUTKIMUSKESKUS 02150 Espoo 15 (FI)	(72) Inventors: SUOKAS, Esa FIN-33580 Tampere (FI) PORRASSALMI, Päivi FIN-10820 Lappohja (FI) (74) Representative: Hakola, Unto Tapani  Tampereen Patenttitoimisto Oy,Hermiankatu 6 33720 Tampere 33720 Tampere (FI)