Hydraulic support for fully mechanized mining and caving face end

Details for Australian Patent Application No. 2005227376 (hide)

Owner Yanzhou Coal Mining Company Limited

Inventors Zhang, Shanbo; Li, Zhenglong; Han, Jizhi; Xie, Qiangzhen; Meng, Xiangjun; Li, Dianping; Xing, Shijun; Lai, Cunliang; He, Ye; Chen, Longgao

Agent Davies Collison Cave

Pub. Number AU-B-2005227376

Priority 200410036477.1 10.12.04 CN

Filing date 26 October 2005

Wipo publication date 29 June 2006

Acceptance publication date 24 January 2008

International Classifications

E21D 23/16 (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 23/26 (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

Event Publications

10 November 2005 Complete Application Filed

  Priority application(s): 200410036477.1 10.12.04 CN

29 June 2006 Application Open to Public Inspection

  Published as AU-B-2005227376

24 January 2008 Application Accepted

  Published as AU-B-2005227376

22 May 2008 Standard Patent Sealed

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