(19)

(11)

EP 1 648 371 A1

(12)

(43) Date of publication: 26.04.2006 Bulletin 2006/17 (21) Application number: 04742149.0 (22) Date of filing: 30.06.2004

(51) International Patent Classification (IPC):  A61J 1/03(1990.01) B65D 83/04(1968.09) (86) International application number: PCT/FI2004/000406 (87) International publication number: WO 2005/002491 (13.01.2005 Gazette 2005/02)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 04.07.2003 FI 20031017 (71) Applicant: Stora Enso Oyj 00160 Helsinki (FI)	(72) Inventors: RÄSÄNEN, Jari FI-55420 Imatra (FI) PÖYHÖNEN, Niilo FI-53100 Lappeenranta (FI) (74) Representative: Heikkinen, Esko Juhani et al Berggren Oy Ab P.O. Box 16 00101 Helsinki 00101 Helsinki (FI)