FR869459A - Machine d'extraction pour charbons et autres minerais - Google Patents

Machine d'extraction pour charbons et autres minerais

Info

Publication number
FR869459A
FR869459A FR869459DA FR869459A FR 869459 A FR869459 A FR 869459A FR 869459D A FR869459D A FR 869459DA FR 869459 A FR869459 A FR 869459A
Authority
FR
France
Prior art keywords
coals
minerals
extraction machine
extraction
machine
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
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia 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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Application granted granted Critical
Publication of FR869459A publication Critical patent/FR869459A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/18—Machines which completely free the mineral from the seam by both slitting and planing

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)
FR869459D 1939-01-27 1941-01-23 Machine d'extraction pour charbons et autres minerais Expired FR869459A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE869459X 1939-01-27

Publications (1)

Publication Number Publication Date
FR869459A true FR869459A (fr) 1942-02-03

Family

ID=6802933

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869459D Expired FR869459A (fr) 1939-01-27 1941-01-23 Machine d'extraction pour charbons et autres minerais

Country Status (1)

Country Link
FR (1) FR869459A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE904402C (de) * 1948-10-02 1954-02-18 Demag Ag Kohlegewinnungseinrichtung
DE1093763B (de) * 1957-09-26 1960-12-01 Gewerk Eisenhuette Westfalia Mit einem Foerderer zusammenwirkende Vorrichtung zum Verkleinern ueber den Foerderer hinausragender grosser Kohlenstuecke

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE904402C (de) * 1948-10-02 1954-02-18 Demag Ag Kohlegewinnungseinrichtung
DE1093763B (de) * 1957-09-26 1960-12-01 Gewerk Eisenhuette Westfalia Mit einem Foerderer zusammenwirkende Vorrichtung zum Verkleinern ueber den Foerderer hinausragender grosser Kohlenstuecke

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