Process for producing pearlitic rail excellent in wearing resistance and ductility

Details for Australian Patent Application No. 2007277640 (hide)

Owner Nippon Steel Corporation

Inventors Seki, Kazunori; Sato, Takuya; Ueda, Masaharu; Yamamoto, Takeshi

Agent Spruson & Ferguson

Pub. Number AU-B-2007277640

PCT Pub. Number WO2008/013300

Priority 2007-174800 03.07.07 JP; 2006-200860 24.07.06 JP

Filing date 24 July 2007

Wipo publication date 31 January 2008

Acceptance publication date 22 July 2010

International Classifications

C21D 8/00 (2006.01) Modifying the physical properties by deformation combined with, or followed by, heat treatment

B21B 1/085 (2006.01) Metal rolling methods or mills for making semi-finished products of solid or profiled cross-section

B21B 3/00 (2006.01) Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences

C21D 9/04 (2006.01) Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles - for rails

C22C 38/00 (2006.01) Ferrous alloys, e.g. steel alloys

C22C 38/04 (2006.01) Ferrous alloys, e.g. steel alloys - containing manganese

C22C 38/58 (2006.01) Ferrous alloys, e.g. steel alloys - with more than 1.5% by weight of manganese

Event Publications

15 January 2009 PCT application entered the National Phase

  PCT publication WO2008/013300 Priority application(s): WO2008/013300

19 February 2009 Amendment Made

  The nature of the amendment is: Amend the name of the co-inventor to read from Satou, Takuya to Sato, Takuya

22 July 2010 Application Accepted

  Published as AU-B-2007277640

18 November 2010 Standard Patent Sealed

29 March 2012 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 05 Jan 2012. Address for service in Australia - Spruson & Ferguson Level 35 St Martins Tower 31 Market Street Sydney NSW 2000 2008

5 April 2012 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 05 Jan 2012. Address for service in Australia - Spruson & Ferguson Level 35 St Martins Tower 31 Market Street Sydney NSW 2000 2008

2 August 2012 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 05 Jan 2012

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