(19)

(11)

EP 0 958 183 A1

(12)

(43) Date of publication: 24.11.1999 Bulletin 1999/47 (21) Application number: 96933453.0 (22) Date of filing: 09.10.1996

(51) International Patent Classification (IPC):  B65D 33/ 18( . ) (86) International application number: PCT/FI1996/000531 (87) International publication number: WO 1997/013698 (17.04.1997 Gazette 1997/17)

(84) Designated Contracting States: DE ES FR GB PT (30) Priority: 10.10.1995 FI 19950004823 (71) Applicant: UPM-Kymmene Oy 37601 Valkeakoski (FI)	(72) Inventors: RIKASSAARI, Pentti FIN-37600 Valkeakoski (FI) SIEVERS, Valter FIN-37640 Valkeakoski (FI) (74) Representative: Heikkinen, Esko Juhani, et al  Berggren Oy Ab P.O. Box 16 00101 Helsinki 00101 Helsinki (FI)