(19)

(11)

EP 4 490 011 A1

(12)

(43) Date of publication: 15.01.2025 Bulletin 2025/03 (21) Application number: 23765624.4 (22) Date of filing: 02.03.2023

(51) International Patent Classification (IPC):  B61D 7/16(2006.01) B61D 7/08(2006.01) B65D 90/58(2006.01) B61D 5/00(2006.01) B61D 7/20(2006.01) (52) Cooperative Patent Classification (CPC): B61D 7/08; B61D 39/001 (86) International application number: PCT/CA2023/050272 (87) International publication number: WO 2023/168515 (14.09.2023 Gazette 2023/37)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 09.03.2022 US 202263318011 P (71) Applicant: Nordic Minesteel Technologies Inc. North Bay, Ontario P1B 2T9 (CA)	(72) Inventor: KELSO, Bryan North Bay, Ontario P1B 2T9 (CA) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)