Controlled expansion of rock bolt

Details for Australian Patent Application No. 2004236623 (hide)

Owner Atlas Copco Rock Drills AB

Inventors Gustavsson, Hans; Kanflod, Morgan; Persson, Tommy; Toivonen, Tapio; Sjostedt, Goran; Oberg, Fredrik; Orjas, Niclas

Agent Watermark

Pub. Number AU-B-2004236623

PCT Pub. Number WO2004/099570

Priority 0301377-8 12.05.03 SE

Filing date 12 May 2004

Wipo publication date 18 November 2004

Acceptance publication date 18 December 2008

International Classifications

E21D 20/00 (2006.01) Setting anchoring-bolts

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

Event Publications

1 December 2005 PCT application entered the National Phase

  PCT publication WO2004/099570 Priority application(s): WO2004/099570

18 December 2008 Application Accepted

  Published as AU-B-2004236623

23 April 2009 Standard Patent Sealed

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