(19)

(11)

EP 3 894 337 A1

(12)

(43) Date of publication: 20.10.2021 Bulletin 2021/42 (21) Application number: 19897080.8 (22) Date of filing: 12.12.2019

(51) International Patent Classification (IPC):  B65D 83/76(2006.01) B65D 85/00(2006.01) B65D 83/64(2006.01) (52) Cooperative Patent Classification (CPC): B65D 83/64; B65D 85/00 (86) International application number: PCT/CA2019/051801 (87) International publication number: WO 2020/118440 (18.06.2020 Gazette 2020/25)

(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: 12.12.2018 US 201862778580 P (71) Applicant: Sunwell Engineering Company Limited Woodbridge, Ontario L4L 5Y7 (CA)	(72) Inventor: GOLDSTEIN, Vladimir Woodbridge, Ontario L4L 5Y7 (CA) (74) Representative: Docherty, Andrew John  Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS Glasgow G2 7JS (GB)