(19)
(11) EP 2 980 233 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:
17.07.2019 Bulletin 2019/29

(45) Mention of the grant of the patent:
05.06.2019 Bulletin 2019/23

(21) Application number: 14773993.2

(22) Date of filing: 20.03.2014
(51) International Patent Classification (IPC): 
B22D 27/00(2006.01)
B22D 9/00(2006.01)
C22C 33/04(2006.01)
C22C 38/14(2006.01)
C22C 38/10(2006.01)
C22B 9/20(2006.01)
C21C 7/06(2006.01)
 B22D 23/10(2006.01)
C21D 6/00(2006.01)
C22C 38/00(2006.01)
C22C 38/12(2006.01)
C22C 38/06(2006.01)
C21C 7/10(2006.01)
(86) International application number:
PCT/JP2014/057728
(87) International publication number:
WO 2014/156942 (02.10.2014 Gazette 2014/40)

(54)

METHOD FOR REFINING TI-BASED INCLUSIONS IN MARAGING STEEL BY VACUUM ARC REMELTING

VERFAHREN ZUM VERFEINERN VON TI-BASIERTEN EINSCHLÜSSEN IN MARTENSITAUSHÄRTENDEM STAHL DURCH VAKUUMLICHTBOGENUMSCHMELZEN

PROCEDE D'AFFINAGE D'INCLUSIONS A BASE DE TI DANS DE L'ACIER MARAGING PAR REFUSION A ARC SOUS VIDE

(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: 28.03.2013 JP 2013068376
01.10.2013 JP 2013206288

(43) Date of publication of application:
03.02.2016 Bulletin 2016/05

(73) Proprietor: Hitachi Metals, Ltd.
Tokyo 108-8224 (JP)

(72) Inventors:
  • HADANO, Yuuichi
    Yasugi-shi Shimane 692-8601 (JP)
  • KAMIMURA, Takahiko
    Yasugi-shi Shimane 692-8601 (JP)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)


(56) References cited: : 
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JP-A- H0 929 420
JP-A- 2004 090 022
JP-A- 2004 238 711
JP-B2- 4 692 282
US-A- 3 353 585
US-A1- 2005 173 092
 DE-A1- 10 208 903
JP-A- H0 929 420
JP-A- 2004 183 097
JP-A- 2005 232 551
US-A- 3 344 840
US-A- 3 353 585
   
       
    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).