(19)

(11)

EP 1 040 047 A1

(12)

(43) Date of publication: 04.10.2000 Bulletin 2000/40 (21) Application number: 96917509.0 (22) Date of filing: 05.06.1996

(51) International Patent Classification (IPC)7: B65D 33/01 (86) International application number: PCT/FI9600/334 (87) International publication number: WO 9746/460 (11.12.1997 Gazette 1997/53)

(84) Designated Contracting States: BE DE ES FR GB IT NL (71) Applicant: UPM-Kymmene Oy 37601 Valkeakoski (FI)	(72) Inventors: SIEVERS, Valter FIN-37640 Valkeakoski (FI) RIKASSAARI, Pentti FIN-37600 Valkeakoski (FI) (74) Representative: Heikkinen, Esko Juhani  Berggren Oy AbP.O. Box 16 00101 Helsinki 00101 Helsinki (FI)