Improvements in and relating to long wall hydraulic supply systems

Details for Australian Patent Application No. 2011201510 (hide)

Owner S.A. Armstrong Limited

Inventors Armstrong, Charles Allan; Newton, Stephen James

Agent Davies Collison Cave

Pub. Number AU-A-2011201510

Priority 10160220.9 16.04.10 EP

Filing date 4 April 2011

Wipo publication date 3 November 2011

International Classifications

E21D 23/26 (2006.01) Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyers, mining machines, or guides therefor

E21D 23/00 (2006.01) 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

21 April 2011 Complete Application Filed

  Priority application(s): 10160220.9 16.04.10 EP

3 November 2011 Application Open to Public Inspection

  Published as AU-A-2011201510

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