(19)

(11)

EP 2 427 382 A1

(12)

(43) Date of publication: 14.03.2012 Bulletin 2012/11 (21) Application number: 10717421.1 (22) Date of filing: 04.05.2010

(51) International Patent Classification (IPC):  B65D 5/38(2006.01) B65D 77/20(2006.01) B65D 51/20(2006.01) (86) International application number: PCT/US2010/033637 (87) International publication number: WO 2010/129621 (11.11.2010 Gazette 2010/45)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 05.05.2009 US 175533 P 17.07.2009 US 226441 P (71) Applicant: MeadWestvaco Corporation Richmond, VA 23219-0501 (US)	(72) Inventors: THOMAS, Laurel Portland, Oregon 97229 (US) FALCON, Sara Richmond, Virginia 23224 (US) SIPE, Larry Clayton, North Carolina 27520 (US) (74) Representative: Rule, John Eric et al Coulson and Associates 1st Floor Suite 5 Newbold Road Rugby Warwickshire CV21 2LQ Rugby Warwickshire CV21 2LQ (GB)