(19)

(11)

EP 1 631 506 A1

(12)

(43) Date of publication: 08.03.2006 Bulletin 2006/10 (21) Application number: 04755094.2 (22) Date of filing: 10.06.2004

(51) International Patent Classification (IPC):  B65D 71/00(1968.09) (86) International application number: PCT/US2004/018721 (87) International publication number: WO 2004/110894 (23.12.2004 Gazette 2004/52)

(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 Designated Extension States: AL HR LT LV MK (30) Priority: 10.06.2003 GB 0313341 (71) Applicant: MeadWestvaco Corporation Stamford, CT 06905 (US)	(72) Inventor: AUCLAIR, Jean-Michel F-36000 Chateauroux (FR) (74) Representative: Hepworth, John Malcolm et al HLBBshaw Bloxam Court Corporation Street Rugby, Warwickshire CV21 2DU Rugby, Warwickshire CV21 2DU (GB)