Roof support sheet handling for underground mines

Details for Australian Patent Application No. 2012200938 (hide)

Owner Joy MM Delaware, Inc.

Inventors Lugg, Peter; Boyd, Richard D.; Germyn, Adrian; Eddowes, William D.; Coates, Chris

Agent Fisher Adams Kelly

Pub. Number AU-A-2012200938

Priority 61/444,599 18.02.11 US

Filing date 17 February 2012

Wipo publication date 6 September 2012

International Classifications

E21D 23/04 Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyers, mining machines, or guides therefor

E21D 11/40 Lining tunnels, galleries or other underground cavities, e.g. large underground chambers - Devices or apparatus specially adapted for handling or placing units of linings for tunnels or galleries

E21D 23/16 Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyers, mining machines, or guides therefor

Event Publications

1 March 2012 Complete Application Filed

  Priority application(s): 61/444,599 18.02.11 US

6 September 2012 Application Open to Public Inspection

  Published as AU-A-2012200938

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