FR1328611A - automatic equipment for the advancement of roof rack supports and their control means - Google Patents

automatic equipment for the advancement of roof rack supports and their control means

Info

Publication number
FR1328611A
FR1328611A FR900485A FR900485A FR1328611A FR 1328611 A FR1328611 A FR 1328611A FR 900485 A FR900485 A FR 900485A FR 900485 A FR900485 A FR 900485A FR 1328611 A FR1328611 A FR 1328611A
Authority
FR
France
Prior art keywords
advancement
control means
roof rack
automatic equipment
rack supports
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
FR900485A
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.)
Electro Hydraulics Ltd
Original Assignee
Electro Hydraulics Ltd
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
Priority claimed from GB21175/61A external-priority patent/GB961225A/en
Application filed by Electro Hydraulics Ltd filed Critical Electro Hydraulics Ltd
Priority to FR900485A priority Critical patent/FR1328611A/en
Application granted granted Critical
Publication of FR1328611A publication Critical patent/FR1328611A/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
    • E21D23/12—Control, e.g. using remote control
    • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
    • 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
    • E21D23/12—Control, e.g. using remote control

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)
FR900485A 1961-06-12 1962-06-12 automatic equipment for the advancement of roof rack supports and their control means Expired FR1328611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR900485A FR1328611A (en) 1961-06-12 1962-06-12 automatic equipment for the advancement of roof rack supports and their control means

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB21175/61A GB961225A (en) 1961-06-12 1961-06-12 Hydraulically operated advancing roof support systems
FR900485A FR1328611A (en) 1961-06-12 1962-06-12 automatic equipment for the advancement of roof rack supports and their control means

Publications (1)

Publication Number Publication Date
FR1328611A true FR1328611A (en) 1963-05-31

Family

ID=26196130

Family Applications (1)

Application Number Title Priority Date Filing Date
FR900485A Expired FR1328611A (en) 1961-06-12 1962-06-12 automatic equipment for the advancement of roof rack supports and their control means

Country Status (1)

Country Link
FR (1) FR1328611A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1254563B (en) * 1963-09-03 1967-11-23 Dowty Mining Equipment Ltd Wandering longwall mining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1254563B (en) * 1963-09-03 1967-11-23 Dowty Mining Equipment Ltd Wandering longwall mining

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