(19)

(11)

EP 4 240 548 A1

(12)

(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21834961.1 (22) Date of filing: 03.11.2021

(51) International Patent Classification (IPC):  B22C 9/02(2006.01) B22C 9/10(2006.01) B22C 11/08(2006.01) B22D 29/00(2006.01) B22D 47/02(2006.01) B22C 9/08(2006.01) B22C 9/12(2006.01) B22C 15/24(2006.01) B22D 31/00(2006.01) (52) Cooperative Patent Classification (CPC): B22D 47/02; B22C 9/02; B22C 9/10; B22C 9/123; B22C 9/08; B22C 11/08; B22C 15/24; B22D 29/001; B22D 31/00 (86) International application number: PCT/PL2021/000077 (87) International publication number: WO 2022/098248 (12.05.2022 Gazette 2022/19)

(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: 07.11.2020 PL 43592020 (71) Applicant: Thoni, Lothar 9108 Jakobsbad (CH)	(72) Inventor: Thoni, Lothar 9108 Jakobsbad (CH) (74) Representative: Gronek, Zbigniew  Biuro Patentowe Zbigniew Gronek Ul. Szklana 70 39-400 Tarnobrzeg 39-400 Tarnobrzeg (PL)