(19)

(11)

EP 4 470 059 A1

(12)

(43) Date of publication: 04.12.2024 Bulletin 2024/49 (21) Application number: 22717457.0 (22) Date of filing: 11.03.2022

(51) International Patent Classification (IPC):  H01M 10/058(2010.01) B23K 26/03(2006.01) (52) Cooperative Patent Classification (CPC): H01M 10/058; B23K 26/21; B23K 26/60; B23K 26/02; B23K 26/032; Y02E 60/10 (86) International application number: PCT/PL2022/000017 (87) International publication number: WO 2023/146422 (03.08.2023 Gazette 2023/31)

(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: 28.01.2022 PL 44025722 (71) Applicant: AIC Spólka Akcyjna 81-577 Gdynia (PL)	(72) Inventor: MIZGIER, Maciej 80-110 Gda sk (PL) (74) Representative: Pomianek, Grazyna  Kancelaria Patentowo-Prawna Grazyna Pomianek ul. Subislawa 23 C lok. 7 80-354 Gdansk 80-354 Gdansk (PL)