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FR1386966A - Mine support kit - Google Patents

Mine support kit

Info

Publication number
FR1386966A
FR1386966A FR969615A FR969615A FR1386966A FR 1386966 A FR1386966 A FR 1386966A FR 969615 A FR969615 A FR 969615A FR 969615 A FR969615 A FR 969615A FR 1386966 A FR1386966 A FR 1386966A
Authority
FR
France
Prior art keywords
mine support
support kit
kit
mine
support
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
FR969615A
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment 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
Application filed by Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to FR969615A priority Critical patent/FR1386966A/en
Application granted granted Critical
Publication of FR1386966A publication Critical patent/FR1386966A/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
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
    • E21D23/20—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms for sequential movement, e.g. one behind the other

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)
FR969615A 1964-04-03 1964-04-03 Mine support kit Expired FR1386966A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR969615A FR1386966A (en) 1964-04-03 1964-04-03 Mine support kit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR969615A FR1386966A (en) 1964-04-03 1964-04-03 Mine support kit

Publications (1)

Publication Number Publication Date
FR1386966A true FR1386966A (en) 1965-01-22

Family

ID=8826943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR969615A Expired FR1386966A (en) 1964-04-03 1964-04-03 Mine support kit

Country Status (1)

Country Link
FR (1) FR1386966A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502689A1 (en) * 1981-03-26 1982-10-01 Gewerk Eisenhuette Westfalia ELECTRO-HYDRAULIC SUPPORT CONTROL FOR UNDERGROUND MINING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502689A1 (en) * 1981-03-26 1982-10-01 Gewerk Eisenhuette Westfalia ELECTRO-HYDRAULIC SUPPORT CONTROL FOR UNDERGROUND MINING

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