PL255463A1 - Method of mining steep seams of minerals,in particular those of coal and apparatus therefor - Google Patents

Method of mining steep seams of minerals,in particular those of coal and apparatus therefor

Info

Publication number
PL255463A1
PL255463A1 PL25546385A PL25546385A PL255463A1 PL 255463 A1 PL255463 A1 PL 255463A1 PL 25546385 A PL25546385 A PL 25546385A PL 25546385 A PL25546385 A PL 25546385A PL 255463 A1 PL255463 A1 PL 255463A1
Authority
PL
Poland
Prior art keywords
minerals
coal
particular those
apparatus therefor
steep seams
Prior art date
Application number
PL25546385A
Original Assignee
Kozponti Banyaszti Fejlesztesi
Mecseki Szenbanyak
Veszpremi Szenbanyak
Dowty Mining Equipment 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 Kozponti Banyaszti Fejlesztesi, Mecseki Szenbanyak, Veszpremi Szenbanyak, Dowty Mining Equipment Ltd filed Critical Kozponti Banyaszti Fejlesztesi
Publication of PL255463A1 publication Critical patent/PL255463A1/en

Links

Classifications

    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/34—Machine propelled along the working face by cable or chain
    • 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
    • E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal

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)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
PL25546385A 1984-09-20 1985-09-20 Method of mining steep seams of minerals,in particular those of coal and apparatus therefor PL255463A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU353584A HU192450B (en) 1984-09-20 1984-09-20 Method and apparatus for mining steep mineral bed particularly steep coal one

Publications (1)

Publication Number Publication Date
PL255463A1 true PL255463A1 (en) 1987-10-05

Family

ID=10964437

Family Applications (1)

Application Number Title Priority Date Filing Date
PL25546385A PL255463A1 (en) 1984-09-20 1985-09-20 Method of mining steep seams of minerals,in particular those of coal and apparatus therefor

Country Status (6)

Country Link
BG (1) BG44035A3 (en)
ES (1) ES8703572A1 (en)
FR (1) FR2570435B1 (en)
HU (1) HU192450B (en)
IN (1) IN164318B (en)
PL (1) PL255463A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101915102A (en) * 2010-08-20 2010-12-15 天地科技股份有限公司 Comprehensive mechanization coal-mining method of heavy pitch course long well
CN102373937B (en) * 2011-09-30 2016-06-29 天地科技股份有限公司 Rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam
CN103670418B (en) * 2014-01-08 2016-01-20 大冶有色金属有限责任公司 A kind of stoping method improving gently inclined medium thick orebody technical indicator
CN104847353A (en) * 2014-11-30 2015-08-19 刘桂花 Layered simultaneous production top coal caving coal mining method of steep dip coal seam group

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR581794A (en) * 1924-05-17 1924-12-05 Exploitation of veins in groups, in particular for veins with a strong inclination
DE1245889B (en) * 1957-03-06 1967-08-03 Dr Karl Lehmann Mining process for collapsing coal layers in struts with falling cutting and device for carrying out the process
GB1089381A (en) * 1964-05-05 1967-11-01 Coal Industry Patents Ltd Improvements relating to mining installations

Also Published As

Publication number Publication date
HUT37969A (en) 1986-03-28
FR2570435A1 (en) 1986-03-21
IN164318B (en) 1989-02-18
ES547120A0 (en) 1987-02-16
ES8703572A1 (en) 1987-02-16
BG44035A3 (en) 1988-09-15
FR2570435B1 (en) 1989-08-18
HU192450B (en) 1987-06-29

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