Methods and apparatus for stress relief using multiple energy sources

Details for Australian Patent Application No. 2009200766 (hide)

Owner Walker, D.

Inventors Walker, Donna M.

Agent Spruson & Ferguson

Pub. Number AU-A-2009200766

Parent 2003254317

Filing date 26 February 2009

Wipo publication date 19 March 2009

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

12 March 2009 Complete Application Filed

19 March 2009 Application Open to Public Inspection

  Published as AU-A-2009200766

24 February 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). 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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