Two-part drilling tool for the percussive or rotary percussive drilling of holes in soil material or rock material

Details for Australian Patent Application No. 2011238405 (hide)

Owner DYWIDAG-Systems International GmbH

Inventors Karpellus, Walter; Bohm, Karl

Agent Pizzeys

Pub. Number AU-A-2011238405

PCT Pub. Number WO2011/123875

Priority A 559/2010 07.04.10 AT

Filing date 6 April 2011

Wipo publication date 13 October 2011

International Classifications

E21B 10/36 Drilling tools - Percussion drill bits

E21B 17/042 Drilling rods or pipes

Event Publications

1 November 2012 PCT application entered the National Phase

  PCT publication WO2011/123875 Priority application(s): WO2011/123875

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