METHOD OF INCREASING TOUGHNESS OF HEAT-AFFECTED PART OF STEEL PRODUCT WELDED JOINT

Details for Australian Patent Application No. 2003280611 (hide)

Owner NIPPON STEEL CORPORATION

Inventors Nakashima, Kiyotaka; Nose, Tetsuro; Ishikawa, Tadashi

Agent Spruson & Ferguson

Pub. Number AU-A-2003280611

PCT Number PCT/JP03/13875

PCT Pub. Number WO2004/040023

Priority 2002-315396 30.10.02 JP

Filing date 29 October 2003

Wipo publication date 25 May 2004

International Classifications

C21D 007/06 Modifying the physical properties of iron or steel by deformation

B23K 031/00 Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups

Event Publications

26 February 2004 Complete Application Filed

  Priority application(s): 2002-315396 30.10.02 JP

24 June 2004 Application Open to Public Inspection

  Published as AU-A-2003280611

15 May 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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