(19)

(11)

EP 4 680 426 A1

(12)

(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24745937.3 (22) Date of filing: 17.07.2024

(51) International Patent Classification (IPC):  B23K 26/03(2006.01) B23K 26/38(2014.01) B23K 31/00(2006.01) B23K 26/046(2014.01) B23K 26/70(2014.01) (52) Cooperative Patent Classification (CPC): B23K 26/046; B23K 26/032; B23K 26/034; B23K 26/38; B23K 26/707; B23K 31/006 (86) International application number: PCT/EP2024/070291 (87) International publication number: WO 2025/017079 (23.01.2025 Gazette 2025/04)

(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: GE KH MA MD TN (30) Priority: 19.07.2023 EP 23186329 (71) Applicant: Bystronic Laser AG 3362 Niederönz (CH)	(72) Inventor: FAHRNI, Christoph 3363 Oberönz (CH) (74) Representative: Schwarz, Claudia  Schwarz + Kollegen Patentanwälte Heilmannstraße 19 81479 München 81479 München (DE)