(19)
(11) EP 3 479 946 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
24.02.2021 Bulletin 2021/08

(45) Mention of the grant of the patent:
25.11.2020 Bulletin 2020/48

(21) Application number: 18200776.5

(22) Date of filing: 16.10.2018
(51) International Patent Classification (IPC): 
B23K 9/10(2006.01)
B23K 31/00(2006.01)
 B23K 9/167(2006.01)
B23K 9/09(2006.01)

(54)

NON-CONSUMABLE ELECTRODE ARC-WELDING METHOD

LICHTBOGENSCHWEISSVERFAHREN MIT NICHTABSCHMELZENDER ELEKTRODE

PROCÉDÉ DE SOUDAGE À L'ARC À ÉLECTRODE NON-CONSOMMABLE

(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

(30) Priority: 01.11.2017 JP 2017211925

(43) Date of publication of application:
08.05.2019 Bulletin 2019/19

(73) Proprietor: DAIHEN Corporation
Yodogawa-ku Osaka-shi Osaka 532-8512 (JP)

(72) Inventors:
  • TODO, Michitaka
    Osaka-shi, Osaka 532-8512 (JP)
  • OOIE, Masatoshi
    Osaka-shi, Osaka 532-8512 (JP)
  • TANAKA, Toshiyuki
    Osaka-shi, Osaka 532-8512 (JP)
  • UMEZAWA, Ichiro
    Osaka-shi, Osaka 532-8512 (JP)

(74) Representative: Boult Wade Tennant LLP 
Salisbury Square House 8 Salisbury Square
London EC4Y 8AP
London EC4Y 8AP (GB)


(56) References cited: : 
JP-A- 2004 009 115
 US-A- 4 396 823
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).