METHOD AND DEVICE FOR CREATING INTERNAL COMPRESSION STRESSES WITHIN THE SURFACE OF WORKPIECES

Details for Australian Patent Application No. 2003299092 (hide)

Owner ALSTOM TECHNOLOGY LTD

Inventors SCHERER, Josef; KILLER, Franz

Pub. Number AU-A-2003299092

PCT Number PCT/EP2003/0506

PCT Pub. Number WO2004/028739

Priority 102 43 415.8 18.09.02 DE

Filing date 11 September 2003

Wipo publication date 19 April 2004

International Classifications

B23P 009/04 Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings

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

B24B 039/00 Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone

F01D 005/28 Blades - Selecting particular materials

Event Publications

13 May 2004 Complete Application Filed

  Priority application(s): 102 43 415.8 18.09.02 DE

20 May 2004 Application Open to Public Inspection

  Published as AU-A-2003299092

21 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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