(19)

(11)

EP 2 571 776 A2

(12)

(88) Date of publication A3: 12.01.2012 (43) Date of publication: 27.03.2013 Bulletin 2013/13 (21) Application number: 11721214.2 (22) Date of filing: 17.05.2011

(51) International Patent Classification (IPC):  B65D 43/02(2006.01) B65D 53/04(2006.01) B65D 51/18(2006.01) (86) International application number: PCT/US2011/036743 (87) International publication number: WO 2011/146430 (24.11.2011 Gazette 2011/47)

(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 RS SE SI SK SM TR (30) Priority: 17.05.2010 US 345206 P (71) Applicant: MeadWestvaco Corporation Richmond, VA 23219-0501 (US)	(72) Inventor: BAILEY, Ryan A. Richmond, Virginia 23223 (US) (74) Representative: Coulson, Elizabeth Eve et al Coulson & Associates 5 Newbold Road Rugby, Warwickshire CV21 2LQ Rugby, Warwickshire CV21 2LQ (GB)