PL306408A1 - Method of and apparatus for cutting mined material at working face - Google Patents

Method of and apparatus for cutting mined material at working face

Info

Publication number
PL306408A1
PL306408A1 PL30640894A PL30640894A PL306408A1 PL 306408 A1 PL306408 A1 PL 306408A1 PL 30640894 A PL30640894 A PL 30640894A PL 30640894 A PL30640894 A PL 30640894A PL 306408 A1 PL306408 A1 PL 306408A1
Authority
PL
Poland
Prior art keywords
cutting
working face
mined material
mined
working
Prior art date
Application number
PL30640894A
Inventor
John Hirst Walker
Original Assignee
Longwall Roof Supports Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Longwall Roof Supports Ltd filed Critical Longwall Roof Supports Ltd
Publication of PL306408A1 publication Critical patent/PL306408A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Remote Sensing (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
PL30640894A 1993-12-22 1994-12-20 Method of and apparatus for cutting mined material at working face PL306408A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9326605A GB2285075A (en) 1993-12-22 1993-12-22 Mining apparatus and method

Publications (1)

Publication Number Publication Date
PL306408A1 true PL306408A1 (en) 1995-06-26

Family

ID=10747328

Family Applications (1)

Application Number Title Priority Date Filing Date
PL30640894A PL306408A1 (en) 1993-12-22 1994-12-20 Method of and apparatus for cutting mined material at working face

Country Status (2)

Country Link
GB (1) GB2285075A (en)
PL (1) PL306408A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI9500091A (en) * 1995-03-20 1995-06-30 Rudnik Lignita Velenje P O Method for mining coal, especially from thick seams
CN103104277B (en) * 2012-11-29 2015-07-29 卡特彼勒（郑州）有限公司 A kind of multi-pace band tail boom brace type filling hydraulic support
CN103174448A (en) * 2013-04-15 2013-06-26 辽宁天安矿山科技有限公司 In-time supporting method for roadway fully-mechanized excavating operation
CN103306676A (en) * 2013-07-01 2013-09-18 中煤平朔集团有限公司 Fully-mechanized hydraulic bracket ore drawing ellipsoid control device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1029301A (en) * 1962-01-04 1966-05-11 Coal Industry Patents Ltd Advancing roof support systems
GB1069281A (en) * 1964-02-18 1967-05-17 Dowty Mining Equipment Ltd Hydraulic advancing mine roof support assembly

Also Published As

Publication number Publication date
GB2285075A (en) 1995-06-28
GB9326605D0 (en) 1994-03-02

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