FR593458A - Machine for mining coal - Google Patents

Machine for mining coal

Info

Publication number
FR593458A
FR593458A FR593458DA FR593458A FR 593458 A FR593458 A FR 593458A FR 593458D A FR593458D A FR 593458DA FR 593458 A FR593458 A FR 593458A
Authority
FR
France
Prior art keywords
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)
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.)
Jeffrey Manufacturing Co
Original Assignee
Jeffrey Manufacturing Co
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 Jeffrey Manufacturing Co filed Critical Jeffrey Manufacturing Co
Application granted granted Critical
Publication of FR593458A publication Critical patent/FR593458A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/22—Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like
    • E21C29/24—Trucks carrying the machine while working

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)
FR593458D 1924-04-07 1925-02-17 Machine for mining coal Expired FR593458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB593458X 1924-04-07

Publications (1)

Publication Number Publication Date
FR593458A true FR593458A (en) 1925-08-24

Family

ID=10483590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR593458D Expired FR593458A (en) 1924-04-07 1925-02-17 Machine for mining coal

Country Status (1)

Country Link
FR (1) FR593458A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE929361C (en) * 1953-05-28 1955-06-27 Gewerk Auguste Victoria Device for removing the cutting machine from the path of the conveyor during the removal of the cut coal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE929361C (en) * 1953-05-28 1955-06-27 Gewerk Auguste Victoria Device for removing the cutting machine from the path of the conveyor during the removal of the cut coal

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