Expandable rock bolt and rock bolting system

Details for Australian Patent Application No. 2004236622 (hide)

Owner Atlas Copco Rock Drills AB

Inventors Kanflod, Morgan; Oberg, Fredik

Agent Watermark

Pub. Number AU-B-2004236622

PCT Pub. Number WO2004/099571

Priority 0301374-5 12.05.03 SE

Filing date 12 May 2004

Wipo publication date 18 November 2004

Acceptance publication date 28 January 2010

International Classifications

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

E21F 17/02 (2006.01) Methods or devices for use in mines or tunnels, not covered elsewhere

Event Publications

1 December 2005 PCT application entered the National Phase

  PCT publication WO2004/099571 Priority application(s): WO2004/099571

28 January 2010 Application Accepted

  Published as AU-B-2004236622

27 May 2010 Standard Patent Sealed

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2004236623-Controlled expansion of rock bolt

2004236621-Method and device for rock bolting