(19)

(11)

EP 3 911 577 A1

(12)

(43) Date of publication: 24.11.2021 Bulletin 2021/47 (21) Application number: 20700058.9 (22) Date of filing: 13.01.2020

(51) International Patent Classification (IPC):  B65D 19/18(2006.01) B65D 43/16(2006.01) B65D 6/18(2006.01) B65D 43/20(2006.01) (52) Cooperative Patent Classification (CPC): B65D 2519/00174; B65D 2519/00597; B65D 2519/00497; B65D 2519/00975; B65D 2519/00567; B65D 2519/00731; B65D 19/18; B65D 2519/00208; B65D 2519/0096; B65D 43/166; B65D 25/005; B65D 2519/00129; B65D 2519/00293; B65D 2519/00646; B65D 43/20; B65D 11/1853; B65D 2543/00194; B65D 2519/00915; B65D 2519/00791; B65D 2519/00805; B65D 2519/00139; B65D 2519/00641; B65D 2543/00296; B65D 2519/00034; B65D 2519/00069; B65D 2519/00437 (86) International application number: PCT/EP2020/050655 (87) International publication number: WO 2020/148212 (23.07.2020 Gazette 2020/30)

(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: KH MA MD TN (30) Priority: 15.01.2019 EP 19151908 (71) Applicant: Smart Flow Europe SA 7700 Mouscron (BE)	(72) Inventor: DELVIGNE, Christian 59700 Marcq-en-Baroeul (FR) (74) Representative: De Clercq & Partners  Edgard Gevaertdreef 10a 9830 Sint-Martens-Latem 9830 Sint-Martens-Latem (BE)