(19)

(11)

EP 1 874 645 A1

(12)

(43) Date of publication: 09.01.2008 Bulletin 2008/02 (21) Application number: 06758758.4 (22) Date of filing: 28.04.2006

(51) International Patent Classification (IPC):  B65D 47/06(2006.01) (86) International application number: PCT/US2006/016313 (87) International publication number: WO 2006/116707 (02.11.2006 Gazette 2006/44)

(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: 28.04.2005 US 116907 (71) Applicant: INTERNATIONAL PAPER COMPANY Stamford, CT 06921 (US)	(72) Inventor: TEDFORD, Richard, A., Jr. Loveland, Ohio 45140 (US) (74) Representative: Kunz, Herbert  HAMMONDS Karl-Scharnagl-Ring 7 80539 München 80539 München (DE)