METHOD OF INCREASING STRENGTH OF COLD WORKED PART BY ULTRASONIC SHOCK TREATMENT, AND METAL PRODUCT WITH HIGH FRACTURE TOUGHNESS AND FATIGUE STRENGTH

Details for Australian Patent Application No. 2003280853 (hide)

Owner NIPPON STEEL CORPORATION

Inventors TOMINAGA, Tomonori; MATSUOKA, Kazumi; HONMA, Koji

Pub. Number AU-A-2003280853

PCT Number PCT/JP03/14670

PCT Pub. Number WO2004/046397

Priority 2002-333298 18.11.02 JP

Filing date 18 November 2003

Wipo publication date 15 June 2004

International Classifications

C21D 007/04 Modifying the physical properties of iron or steel by deformation

B21D 005/01 Bending sheet metal along straight lines, e.g. to form simple curves - between rams and anvils or abutments

Event Publications

4 March 2004 Complete Application Filed

  Priority application(s): 2002-333298 18.11.02 JP

15 July 2004 Application Open to Public Inspection

  Published as AU-A-2003280853

4 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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