Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device

Details for Australian Patent Application No. 2004253318 (hide)

Owner Sandvik Tamrock OY

Inventors Esko, Mauri; Keskiniva, Markku; Maki, Jorma; Ahola, Erkki; Helin, Aimo; Muuttonen, Timo

Agent Griffith Hack

Pub. Number AU-B-2004253318

PCT Pub. Number WO2005/002801

Priority 20031036 07.07.03 FI

Filing date 6 July 2004

Wipo publication date 13 January 2005

Acceptance publication date 10 September 2009

International Classifications

B25D 9/12 (2006.01) Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously

B25D 9/06 (2006.01) Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously

B25D 9/14 (2006.01) Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously

B25D 9/22 (2006.01) Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously

E21B 4/14 (2006.01) Drives for drilling, used in the borehole

E21B 44/08 (2006.01) Automatic control

Event Publications

2 February 2006 PCT application entered the National Phase

  PCT publication WO2005/002801 Priority application(s): WO2005/002801

10 September 2009 Application Accepted

  Published as AU-B-2004253318

1 October 2009 Alteration of Name

  The name of the applicant has been altered to Sandvik Mining and Construction Oy

14 January 2010 Standard Patent Sealed

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