Coupling arrangement for coupling rock drill shank

Details for Australian Patent Application No. 2008244164 (hide)

Owner SANDVIK MINING AND CONSTRUCTION OY

Inventors Esko, Mauri; Keskiniva, Markku; Piispanen, Juha; Helin, Aimo

Agent Griffith Hack

Pub. Number AU-B-2008244164

PCT Pub. Number WO2008/132276

Priority 20075289 25.04.07 FI

Filing date 24 April 2008

Wipo publication date 6 November 2008

Acceptance publication date 10 May 2012

International Classifications

E21B 6/00 (2006.01) Drives for drilling with combined rotary and percussive action

B25D 17/08 (2006.01) Details of, or accessories for, portable power-driven percussive tools

F16D 3/06 (2006.01) Yielding couplings, i.e. with means permitting movement between the connected parts during the drive

F16D 3/44 (2006.01) Yielding couplings, i.e. with means permitting movement between the connected parts during the drive

Event Publications

10 December 2009 PCT application entered the National Phase

  PCT publication WO2008/132276 Priority application(s): WO2008/132276

10 May 2012 Application Accepted

  Published as AU-B-2008244164

6 September 2012 Standard Patent Sealed

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