A yielding spiral bolt appendage for a rock bolt

Details for Australian Patent Application No. 2010348888 (hide)

Owner DYWIDAG-Systems International Canada

Inventors Gharbani, Amir; Walker, Roland

Agent Spruson & Ferguson

Pub. Number AU-A-2010348888

PCT Pub. Number WO2011/113131

Filing date 19 March 2010

Wipo publication date 22 September 2011

International Classifications

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

E21D 20/02 (2006.01) Setting anchoring-bolts

Event Publications

22 March 2012 PCT application entered the National Phase

  PCT publication WO2011/113131 Priority application(s): WO2011/113131

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