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(11)

EP 1 796 972 A1

(12)

(43) Date of publication: 20.06.2007 Bulletin 2007/25 (21) Application number: 05807532.6 (22) Date of filing: 03.10.2005

(51) International Patent Classification (IPC):  B65D 5/50(2006.01) B65D 5/22(2006.01) (86) International application number: PCT/US2005/035168 (87) International publication number: WO 2006/039474 (13.04.2006 Gazette 2006/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 01.10.2004 US 957567 (71) Applicant: INTERNATIONAL PAPER COMPANY Stamford, CT 06921 (US)	(72) Inventor: WEIMER, Charles, P., Jr. Danielson, CT 06239 (US) (74) Representative: Kunz, Herbert et al HAMMONDS Karl-Scharnagl-Ring 7 80539 München 80539 München (DE)