Methods and apparatus for stress relief using multiple energy sources

Details for Australian Patent Application No. 2003254317 (hide)

Owner Walker, D.

Inventors Walker, Donna M.

Agent Spruson & Ferguson

Pub. Number AU-B-2003254317

PCT Number PCT/US03/24449

PCT Pub. Number WO2004/016815

Priority 60/404,020 16.08.02 US

Filing date 1 August 2003

Wipo publication date 3 March 2004

Acceptance publication date 27 November 2008

International Classifications

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 1/30 (2006.01) General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering

C21D 10/00 (2006.01) Modifying the physical properties by methods other than heat treatment or deformation

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

C21D 11/00 (2006.01) Process control or regulation for heat treatments

Event Publications

30 October 2003 Complete Application Filed

  Priority application(s): 60/404,020 16.08.02 US

22 April 2004 Application Open to Public Inspection

  Published as AU-B-2003254317

27 November 2008 Application Accepted

  Published as AU-B-2003254317

26 March 2009 Standard Patent Sealed

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