FR1075554A - Method and apparatus for mining inclined seams of coal and the like - Google Patents

Method and apparatus for mining inclined seams of coal and the like

Info

Publication number
FR1075554A
FR1075554A FR1075554DA FR1075554A FR 1075554 A FR1075554 A FR 1075554A FR 1075554D A FR1075554D A FR 1075554DA FR 1075554 A FR1075554 A FR 1075554A
Authority
FR
France
Prior art keywords
coal
inclined seams
mining inclined
mining
seams
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Edward Townsend Powell
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 filed Critical
Application granted granted Critical
Publication of FR1075554A publication Critical patent/FR1075554A/en
Expired legal-status Critical Current

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
    • E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR1075554D 1952-03-18 1953-03-09 Method and apparatus for mining inclined seams of coal and the like Expired FR1075554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1075554XA 1952-03-18 1952-03-18

Publications (1)

Publication Number Publication Date
FR1075554A true FR1075554A (en) 1954-10-18

Family

ID=22317184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1075554D Expired FR1075554A (en) 1952-03-18 1953-03-09 Method and apparatus for mining inclined seams of coal and the like

Country Status (1)

Country Link
FR (1) FR1075554A (en)

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