(19)

(11)

EP 3 551 546 A1

(12)

(43) Date of publication: 16.10.2019 Bulletin 2019/42 (21) Application number: 17818021.2 (22) Date of filing: 07.12.2017

(51) International Patent Classification (IPC):  B65D 71/20(2006.01) B65D 71/34(2006.01) B65D 71/32(2006.01) (86) International application number: PCT/US2017/065015 (87) International publication number: WO 2018/106865 (14.06.2018 Gazette 2018/24)

(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 Designated Extension States: BA ME Designated Validation States: MA MD TN (30) Priority: 08.12.2016 JP 2016238268 (71) Applicant: WestRock Packaging Systems, LLC Atlanta GA 30328 (US)	(72) Inventor: IKEDA, Tamio Kawasaki Kanagawa 216-0006 (JP) (74) Representative: Rule, John Eric et al Coulson & Rule 13 Whitehall Road Rugby, Warwickshire CV21 3AE Rugby, Warwickshire CV21 3AE (GB)