Method and device for impact loosening of thread joints

Details for Australian Patent Application No. 2004277573 (hide)

Owner Atlas Copco Rock Drills AB

Inventors Carlsson, Katarina; Lindgren, Bjorn; Bergstrand, Karin

Agent Watermark

Pub. Number AU-B-2004277573

PCT Pub. Number WO2005/033468

Priority 0302625-9 06.10.03 SE

Filing date 24 September 2004

Wipo publication date 14 April 2005

Acceptance publication date 26 November 2009

International Classifications

E21B 19/16 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 44/00 (2006.01) Automatic control

Event Publications

27 April 2006 PCT application entered the National Phase

  PCT publication WO2005/033468 Priority application(s): WO2005/033468

26 November 2009 Application Accepted

  Published as AU-B-2004277573

25 March 2010 Standard Patent Sealed

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