FR627108A - Improvements in rock or coal mining - Google Patents

Improvements in rock or coal mining

Info

Publication number
FR627108A
FR627108A FR627108DA FR627108A FR 627108 A FR627108 A FR 627108A FR 627108D A FR627108D A FR 627108DA FR 627108 A FR627108 A FR 627108A
Authority
FR
France
Prior art keywords
rock
coal mining
mining
coal
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
Paul Guerre
Francois-Jacques-Bar Berry
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 FR627108A publication Critical patent/FR627108A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/006—Means for anchoring the drilling machine to the ground

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR627108D 1927-01-05 1927-01-05 Improvements in rock or coal mining Expired FR627108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR627108T 1927-01-05

Publications (1)

Publication Number Publication Date
FR627108A true FR627108A (en) 1927-09-27

Family

ID=8988822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR627108D Expired FR627108A (en) 1927-01-05 1927-01-05 Improvements in rock or coal mining

Country Status (1)

Country Link
FR (1) FR627108A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125861B (en) * 1954-01-22 1962-03-22 Beien Maschfab Method and device for driving mining roads, especially in steep terrain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125861B (en) * 1954-01-22 1962-03-22 Beien Maschfab Method and device for driving mining roads, especially in steep terrain

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