FR59752E - Automatic coal extraction and / or loading device in mines - Google Patents

Automatic coal extraction and / or loading device in mines

Info

Publication number
FR59752E
FR59752E FR59752DA FR59752E FR 59752 E FR59752 E FR 59752E FR 59752D A FR59752D A FR 59752DA FR 59752 E FR59752 E FR 59752E
Authority
FR
France
Prior art keywords
mines
loading device
automatic coal
coal extraction
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.)
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 FR59752E publication Critical patent/FR59752E/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
    • E21C29/14—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains by haulage cable or chain pulling the machine along the working face
    • E21C29/16—Winches or other means for pulling cable or chain

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)
FR59752D 1949-11-07 1949-11-07 Automatic coal extraction and / or loading device in mines Expired FR59752E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR59752T 1949-11-07

Publications (1)

Publication Number Publication Date
FR59752E true FR59752E (en) 1954-07-19

Family

ID=8693535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR59752D Expired FR59752E (en) 1949-11-07 1949-11-07 Automatic coal extraction and / or loading device in mines

Country Status (1)

Country Link
FR (1) FR59752E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033542A (en) * 1958-08-06 1962-05-08 Gewerk Eisenhuette Westfalia Overload arrangement for mining planer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033542A (en) * 1958-08-06 1962-05-08 Gewerk Eisenhuette Westfalia Overload arrangement for mining planer

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