FR1211137A - Device for removing coal and other minerals - Google Patents

Device for removing coal and other minerals

Info

Publication number
FR1211137A
FR1211137A FR1211137DA FR1211137A FR 1211137 A FR1211137 A FR 1211137A FR 1211137D A FR1211137D A FR 1211137DA FR 1211137 A FR1211137 A FR 1211137A
Authority
FR
France
Prior art keywords
minerals
removing coal
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)
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.)
Gelsenkirchener Bergwerks AG
Original Assignee
Gelsenkirchener Bergwerks AG
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 Gelsenkirchener Bergwerks AG filed Critical Gelsenkirchener Bergwerks AG
Application granted granted Critical
Publication of FR1211137A publication Critical patent/FR1211137A/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

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)
FR1211137D 1957-10-21 1958-10-08 Device for removing coal and other minerals Expired FR1211137A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1211137X 1957-10-21

Publications (1)

Publication Number Publication Date
FR1211137A true FR1211137A (en) 1960-03-14

Family

ID=7733133

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1211137D Expired FR1211137A (en) 1957-10-21 1958-10-08 Device for removing coal and other minerals

Country Status (1)

Country Link
FR (1) FR1211137A (en)

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