FR1125676A - Improved machine for mining coal and other minerals - Google Patents

Improved machine for mining coal and other minerals

Info

Publication number
FR1125676A
FR1125676A FR1125676DA FR1125676A FR 1125676 A FR1125676 A FR 1125676A FR 1125676D A FR1125676D A FR 1125676DA FR 1125676 A FR1125676 A FR 1125676A
Authority
FR
France
Prior art keywords
minerals
improved machine
mining coal
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
David Jackson
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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson 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 Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Application granted granted Critical
Publication of FR1125676A publication Critical patent/FR1125676A/en
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)
FR1125676D 1955-06-01 1955-06-01 Improved machine for mining coal and other minerals Expired FR1125676A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1125676T 1955-06-01

Publications (1)

Publication Number Publication Date
FR1125676A true FR1125676A (en) 1956-11-05

Family

ID=9634639

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1125676D Expired FR1125676A (en) 1955-06-01 1955-06-01 Improved machine for mining coal and other minerals

Country Status (1)

Country Link
FR (1) FR1125676A (en)

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