(19)

(11)

EP 4 499 332 A1

(12)

(43) Date of publication: 05.02.2025 Bulletin 2025/06 (21) Application number: 23724910.7 (22) Date of filing: 27.03.2023

(51) International Patent Classification (IPC):  B22D 19/00(2006.01) B22D 19/12(2006.01) (52) Cooperative Patent Classification (CPC): B22D 19/12; B22D 19/0081; B22D 19/00 (86) International application number: PCT/IB2023/053025 (87) International publication number: WO 2023/187615 (05.10.2023 Gazette 2023/40)

(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: 28.03.2022 PL 44077222 (71) Applicant: Thoni, Lothar 05-520 Konstancin Jeziorna (PL)	(72) Inventor: Thoni, Lothar 05-520 Konstancin Jeziorna (PL) (74) Representative: Gronek, Zbigniew  Biuro Patentowe Zbigniew Gronek Ul. Szklana 70 39-400 Tarnobrzeg 39-400 Tarnobrzeg (PL)