Friction bolt assembly

Details for Australian Patent Application No. 2008288696 (hide)

Owner DYWIDAG-Systems International Pty Limited

Inventors Boychuk, Andrew Simon; Evans, David William; Hird, Derek Colin

Agent Spruson & Ferguson

Pub. Number AU-A-2008288696

PCT Pub. Number WO2009/023922

Priority 2008901564 01.04.08 AU; 2007904526 22.08.07 AU

Filing date 20 August 2008

Wipo publication date 26 February 2009

International Classifications

E21D 21/00 (2006.01) Anchoring-bolts for roof, floor, or shaft-lining protection

E21D 20/00 (2006.01) Setting anchoring-bolts

Event Publications

18 March 2010 PCT application entered the National Phase

  PCT publication WO2009/023922 Priority application(s): WO2009/023922

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