(19)

(11)

EP 3 294 646 A1

(12)

(43) Date of publication: 21.03.2018 Bulletin 2018/12 (21) Application number: 16734026.4 (22) Date of filing: 09.05.2016

(51) International Patent Classification (IPC):  B65D 85/804(2006.01) (86) International application number: PCT/IB2016/052638 (87) International publication number: WO 2016/181287 (17.11.2016 Gazette 2016/46)

(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 (30) Priority: 11.05.2015 IT MI20150654 (71) Applicant: Imper S.p.A. 10122 Torino (IT)	(72) Inventor: STEFANONI, Roberto 23048 Oggiono LC (IT) (74) Representative: Spina, Alessandro  Società Italiana Brevetti S.p.A. Via Carducci, 8 20123 Milano 20123 Milano (IT)