Method of manufacturing metal product having nano-crystallized surface layer part

Details for Australian Patent Application No. 2003280832 (hide)

Owner Nippon Steel Corporation

Inventors Ishikawa, Tadashi; Takashima, Kazuki; Higo, Yakichi; Nose, Tetsuro; Nakashima, Kiyotaka; Tominaga, Tomonori

Agent Spruson & Ferguson

Pub. Number AU-B-2003280832

PCT Number PCT/JP03/14595

PCT Pub. Number WO2004/046394

Priority 2002-334501 19.11.02 JP

Filing date 17 November 2003

Wipo publication date 15 June 2004

Acceptance publication date 4 January 2007

International Classifications

C21D 7/04 (2006.01) Modifying the physical properties of iron or steel by deformation

C21D 1/04 (2006.01) General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering - with simultaneous application of supersonic waves, magnetic or electric fields

C21D 7/00 (2006.01) Modifying the physical properties of iron or steel by deformation

C22C 1/00 (2006.01) Non-ferrous alloys, i.e. alloys based essentially on metals other than iron

C22F 1/00 (2006.01) Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working

C22F 1/02 (2006.01) Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working - in inert or controlled atmosphere or vacuum

C22F 1/06 (2006.01) Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working - of magnesium or alloys based thereon

C22F 1/18 (2006.01) Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working - High-melting or refractory metals or alloys based thereon

C22F 3/00 (2006.01) Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons

Event Publications

4 March 2004 Complete Application Filed

  Priority application(s): 2002-334501 19.11.02 JP

15 July 2004 Application Open to Public Inspection

  Published as AU-B-2003280832

4 January 2007 Application Accepted

  Published as AU-B-2003280832

3 May 2007 Standard Patent Sealed

11 June 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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