Boom/arm member for construction machine, having high welded portion fatigue strength, and method of improving the fatigue strength

Details for Australian Patent Application No. 2005260818 (hide)

Owner Nippon Steel Corporation

Inventors Nose, Tetsuro; Nakashima, Kiyotaka

Agent Spruson & Ferguson

Pub. Number AU-B-2005260818

PCT Pub. Number WO2006/006738

Priority 2004-208329 15.07.04 JP

Filing date 14 July 2005

Wipo publication date 19 January 2006

Acceptance publication date 23 April 2009

International Classifications

E02F 3/38 (2006.01) Dredgers

B23K 9/00 (2006.01) Electric welding or cutting

B23K 31/00 (2006.01) Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups

B23K 103/04 (2006.01)

Event Publications

8 February 2007 PCT application entered the National Phase

  PCT publication WO2006/006738 Priority application(s): WO2006/006738

23 April 2009 Application Accepted

  Published as AU-B-2005260818

20 August 2009 Standard Patent Sealed

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