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(11)

EP 2 414 248 A1

(12)

(43) Date of publication: 08.02.2012 Bulletin 2012/06 (21) Application number: 10710984.5 (22) Date of filing: 25.03.2010

(51) International Patent Classification (IPC):  B65D 5/54(2006.01) B65D 85/10(2006.01) B65D 5/72(2006.01) (86) International application number: PCT/US2010/028644 (87) International publication number: WO 2010/114759 (07.10.2010 Gazette 2010/40)

(84) Designated Contracting States: 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: 30.03.2009 US 164710 P (71) Applicant: MeadWestvaco Corporation Richmond, VA 23219-0501 (US)	(72) Inventors: WALLING, Bradford, J. Raleigh North Carolina 27604 (US) GELARDI, John, A. Wake Forest North Carolina 27587 (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)