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(11)

EP 4 493 348 A1

(12)

(43) Date of publication: 22.01.2025 Bulletin 2025/04 (21) Application number: 23718331.4 (22) Date of filing: 21.03.2023

(51) International Patent Classification (IPC):  B23K 20/02(2006.01) C02F 1/461(2023.01) C23C 30/00(2006.01) C25B 11/081(2021.01) C02F 1/467(2023.01) B23K 35/32(2006.01) C22C 5/04(2006.01) C25B 11/063(2021.01) C25B 11/089(2021.01) (52) Cooperative Patent Classification (CPC): C02F 1/46109; C02F 2001/46171; C02F 2001/46142; C02F 1/4672; C25B 11/081; C25B 11/063; C23C 30/00; B23K 35/322; C22C 5/04; C25B 11/052; B23K 11/061; B23K 2101/38; B23K 2103/14 (86) International application number: PCT/GR2023/000008 (87) International publication number: WO 2023/180779 (28.09.2023 Gazette 2023/39)

(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: 22.03.2022 GR 20220100250 (71) Applicant: Vestaki, Androniki 16673 Voula Attikis (GR)	(72) Inventor: NINOLAKIS, Markos 16673 Voula Attikis (GR) (74) Representative: Meissner Bolte Nürnberg  Patentanwälte Rechtsanwälte Partnerschaft mbB Bankgasse 3 90402 Nürnberg 90402 Nürnberg (DE)