(19)
(11) EP 4 482 644 A1

(12)

(43) Date of publication:
01.01.2025 Bulletin 2025/01

(21) Application number: 23705597.5

(22) Date of filing: 22.02.2023
(51) International Patent Classification (IPC): 
B23K 26/14(2014.01)
B23K 26/38(2014.01)
 B23K 26/146(2014.01)
(52) Cooperative Patent Classification (CPC):
B23K 26/1476; B23K 26/146; B23K 26/1437; B23K 26/38
(86) International application number:
PCT/EP2023/054395
(87) International publication number:
WO 2023/161263 (31.08.2023 Gazette 2023/35)
(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: 23.02.2022 EP 22382154

(71) Applicant: Fundación Tekniker
20600 Eibar (Guipuzkoa) (ES)

(72) Inventors:
  • OCAÑA PEREZ, Roberto
    20600 Eibar (ES)
  • ARIZAGA GURRUCHAGA, Asier
    20600 Eibar (ES)

(74) Representative: Balder IP Law, S.L. 
Paseo de la Castellana 93 5ª planta
28046 Madrid
28046 Madrid (ES)

   


(54) LASER HEAD WITH SWITCHED ASSIST GAS SUPPLY, METHOD AND SYSTEM FOR LASER DRILLING OR CUTTING WITH CONTROLLED ASSIST GAS SUPPLY