FR1312030A - Pile marchante pour mines - Google Patents

Pile marchante pour mines

Info

Publication number
FR1312030A
FR1312030A FR877844A FR877844A FR1312030A FR 1312030 A FR1312030 A FR 1312030A FR 877844 A FR877844 A FR 877844A FR 877844 A FR877844 A FR 877844A FR 1312030 A FR1312030 A FR 1312030A
Authority
FR
France
Prior art keywords
mines
walking pile
pile
walking
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
FR877844A
Other languages
English (en)
Inventor
Gustave Noyon
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.)
LORRAINE ANCIENS ETS DIETRICH
Original Assignee
LORRAINE ANCIENS ETS DIETRICH
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 LORRAINE ANCIENS ETS DIETRICH filed Critical LORRAINE ANCIENS ETS DIETRICH
Priority to FR877844A priority Critical patent/FR1312030A/fr
Application granted granted Critical
Publication of FR1312030A publication Critical patent/FR1312030A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/082—Advancing mechanisms forming parts of the roof supports acting solely on the elements of the supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR877844A 1961-11-03 1961-11-03 Pile marchante pour mines Expired FR1312030A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR877844A FR1312030A (fr) 1961-11-03 1961-11-03 Pile marchante pour mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR877844A FR1312030A (fr) 1961-11-03 1961-11-03 Pile marchante pour mines

Publications (1)

Publication Number Publication Date
FR1312030A true FR1312030A (fr) 1962-12-14

Family

ID=8765952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877844A Expired FR1312030A (fr) 1961-11-03 1961-11-03 Pile marchante pour mines

Country Status (1)

Country Link
FR (1) FR1312030A (fr)

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