FR1191358A - Method and device for the extraction of coal and other minerals - Google Patents

Method and device for the extraction of coal and other minerals

Info

Publication number
FR1191358A
FR1191358A FR1191358DA FR1191358A FR 1191358 A FR1191358 A FR 1191358A FR 1191358D A FR1191358D A FR 1191358DA FR 1191358 A FR1191358 A FR 1191358A
Authority
FR
France
Prior art keywords
minerals
coal
extraction
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.)
Stahlwerke Brueninghaus GmbH
Original Assignee
Stahlwerke Brueninghaus GmbH
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 Stahlwerke Brueninghaus GmbH filed Critical Stahlwerke Brueninghaus GmbH
Application granted granted Critical
Publication of FR1191358A publication Critical patent/FR1191358A/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
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/38—Machine stationary while planing in an arc

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)
FR1191358D 1956-12-20 1957-12-20 Method and device for the extraction of coal and other minerals Expired FR1191358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1191358X 1956-12-20

Publications (1)

Publication Number Publication Date
FR1191358A true FR1191358A (en) 1959-10-19

Family

ID=7731264

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1191358D Expired FR1191358A (en) 1956-12-20 1957-12-20 Method and device for the extraction of coal and other minerals

Country Status (1)

Country Link
FR (1) FR1191358A (en)

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