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(11)

EP 4 326 465 A1

(12)

(43) Date of publication: 28.02.2024 Bulletin 2024/09 (21) Application number: 22717022.2 (22) Date of filing: 04.04.2022

(51) International Patent Classification (IPC):  B22F 10/20(2021.01) B22F 12/00(2021.01) B22F 12/60(2021.01) B29C 64/153(2017.01) B33Y 30/00(2015.01) B22F 10/28(2021.01) B22F 12/52(2021.01) B22F 12/63(2021.01) B33Y 10/00(2015.01) B33Y 40/00(2020.01) (52) Cooperative Patent Classification (CPC): B33Y 30/00; B33Y 10/00; B33Y 40/00; B22F 10/28; B22F 12/52; B29C 64/153; B29C 64/214; B22F 12/60; Y02P 10/25 (86) International application number: PCT/LV2022/050005 (87) International publication number: WO 2022/225383 (27.10.2022 Gazette 2022/43)

(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: 21.04.2021 LV 210023 (71) Applicant: Klaperis, Uldis 2107 Skarduciems, Babites pag., Babites nov. (LV)	(72) Inventor: Klaperis, Uldis 2107 Skarduciems, Babites pag., Babites nov. (LV) (74) Representative: Kromanis, Artis  AAA Law Latvia, SIA Citadeles Street 12, 3rd floor 1010 Riga 1010 Riga (LV)