FR1250268A - Machine d'extraction de minerai - Google Patents

Machine d'extraction de minerai

Info

Publication number
FR1250268A
FR1250268A FR820516A FR820516A FR1250268A FR 1250268 A FR1250268 A FR 1250268A FR 820516 A FR820516 A FR 820516A FR 820516 A FR820516 A FR 820516A FR 1250268 A FR1250268 A FR 1250268A
Authority
FR
France
Prior art keywords
mining machine
ore mining
ore
machine
mining
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
FR820516A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to FR820516A priority Critical patent/FR1250268A/fr
Application granted granted Critical
Publication of FR1250268A publication Critical patent/FR1250268A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting
    • E21C27/04—Machines which completely free the mineral from the seam solely by slitting by a single chain guided on a frame with or without auxiliary slitting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR820516A 1960-03-05 1960-03-05 Machine d'extraction de minerai Expired FR1250268A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR820516A FR1250268A (fr) 1960-03-05 1960-03-05 Machine d'extraction de minerai

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR820516A FR1250268A (fr) 1960-03-05 1960-03-05 Machine d'extraction de minerai

Publications (1)

Publication Number Publication Date
FR1250268A true FR1250268A (fr) 1961-01-06

Family

ID=8726481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820516A Expired FR1250268A (fr) 1960-03-05 1960-03-05 Machine d'extraction de minerai

Country Status (1)

Country Link
FR (1) FR1250268A (fr)

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