Method for restricting leakage of hydraulic oil in a rock drilling rig

Details for Australian Patent Application No. 2002335598 (hide)

Owner Atlas Copco Rock Drills AB

Inventors Lindqvist, Thomas; Grahn, Fredrik

Agent Watermark

Pub. Number AU-B-2002335598

PCT Number PCT/SE02/01643

PCT Pub. Number WO2003/025402

Priority 0103083-2 18.09.01 SE

Filing date 13 September 2002

Wipo publication date 1 April 2003

Acceptance publication date 6 December 2007

International Classifications

F15B 20/00 (2006.01) Safety arrangements for fluid actuator systems

E21B 15/00 (2006.01) Other equipment or details for drilling

G01M 3/32 (2006.01) Investigating fluid tightness of structures - for containers, e.g. radiators

Event Publications

20 February 2003 Complete Application Filed

  Priority application(s): 0103083-2 18.09.01 SE

5 June 2003 Application Open to Public Inspection

  Published as AU-B-2002335598

6 December 2007 Application Accepted

  Published as AU-B-2002335598

3 April 2008 Standard Patent Sealed

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