FR1244176A - Mechanical mine support - Google Patents

Mechanical mine support

Info

Publication number
FR1244176A
FR1244176A FR814650A FR814650A FR1244176A FR 1244176 A FR1244176 A FR 1244176A FR 814650 A FR814650 A FR 814650A FR 814650 A FR814650 A FR 814650A FR 1244176 A FR1244176 A FR 1244176A
Authority
FR
France
Prior art keywords
mine support
mechanical mine
mechanical
support
mine
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
FR814650A
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.)
Gutehoffnungshutte Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade AG
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 Gutehoffnungshutte Sterkrade AG filed Critical Gutehoffnungshutte Sterkrade AG
Application granted granted Critical
Publication of FR1244176A publication Critical patent/FR1244176A/en
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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors shifting devices

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)
  • Mechanical Engineering (AREA)
FR814650A 1959-01-08 1959-12-31 Mechanical mine support Expired FR1244176A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1244176X 1959-01-08

Publications (1)

Publication Number Publication Date
FR1244176A true FR1244176A (en) 1960-10-21

Family

ID=7736355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814650A Expired FR1244176A (en) 1959-01-08 1959-12-31 Mechanical mine support

Country Status (1)

Country Link
FR (1) FR1244176A (en)

Similar Documents

Publication Publication Date Title
CH370133A (en) Support channel
BE749955Q (en) VORMMACHINE
FR1256156A (en) Getter support
FR1229772A (en) Standard support profile
BE580613A (en) Mechanical mine support.
FR1229804A (en) Breaker support
BE607453Q (en) Centrifugaalschakelaar
FR1244176A (en) Mechanical mine support
FR1229479A (en) Mechanical mine support
CH381025A (en) Support bearing
FR1198866A (en) Mine support
CH372207A (en) Plansifter
FR1252123A (en) Mechanical razor
FR1232437A (en) Mechanical pencil
FR1248101A (en) Mechanical oscillator
FR1203283A (en) Mine support
FR1234863A (en) Mechanical broom
ES74936Y (en) Support
AT213554B (en) Splayfoot support
FR1234221A (en) Mechanical hie
FR1252110A (en) Mechanical divider
FR1237874A (en) Advanced mechanical hie
ES72405Y (en) Mechanical pencil
FR1261713A (en) Mechanical pencil
ES76425Y (en) Candlestick