JPS5135601A - - Google Patents

Info

Publication number
JPS5135601A
JPS5135601A JP50088462A JP8846275A JPS5135601A JP S5135601 A JPS5135601 A JP S5135601A JP 50088462 A JP50088462 A JP 50088462A JP 8846275 A JP8846275 A JP 8846275A JP S5135601 A JPS5135601 A JP S5135601A
Authority
JP
Japan
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.)
Pending
Application number
JP50088462A
Other languages
Japanese (ja)
Inventor
Dooson Aren Aachireusu
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.)
Gullick Dobson Ltd
Original Assignee
Gullick Dobson 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 Gullick Dobson Ltd filed Critical Gullick Dobson Ltd
Publication of JPS5135601A publication Critical patent/JPS5135601A/ja
Pending 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
    • E21D23/26—Hydraulic or pneumatic control
    • 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
    • E21D23/148—Wireless transmission of signals or commands

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)
  • Computer Networks & Wireless Communication (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Earth Drilling (AREA)
JP50088462A 1974-08-20 1975-07-21 Pending JPS5135601A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB36490/74A GB1517711A (en) 1974-08-20 1974-08-20 Self-advancing mine roof supports

Publications (1)

Publication Number Publication Date
JPS5135601A true JPS5135601A (en) 1976-03-26

Family

ID=10388642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50088462A Pending JPS5135601A (en) 1974-08-20 1975-07-21

Country Status (5)

Country Link
JP (1) JPS5135601A (en)
DE (1) DE2507106B2 (en)
FR (1) FR2282529A1 (en)
GB (1) GB1517711A (en)
ZA (1) ZA754137B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2640185C3 (en) * 1976-09-07 1986-07-10 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Multiple control unit for hydraulic support
DE2700829C2 (en) * 1977-01-11 1986-04-17 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulic extension control
PL118233B1 (en) * 1978-04-14 1981-09-30 Centralny Osrodek Projektowo Kon Apparatus for winning thick deposits of useful minerals skopaemogo
GB2095425B (en) * 1981-02-25 1984-06-27 Dobson Park Ind Mine roof support control systems
DE3334607C1 (en) * 1983-09-24 1984-05-10 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Signal transmitter for control signals for controlling a hydraulic self-advancing powered support system
DE3608181C2 (en) * 1986-03-12 1995-01-05 Westfalia Becorit Ind Tech Supply block for connecting hydraulic expansion racks to the supply lines of a central hydraulic supply system
DE3700470A1 (en) * 1987-01-09 1988-07-21 Bochumer Eisen Heintzmann Hydraulic remote actuation system

Also Published As

Publication number Publication date
DE2507106B2 (en) 1977-02-24
AU8305175A (en) 1977-01-20
FR2282529B3 (en) 1979-03-16
ZA754137B (en) 1976-06-30
GB1517711A (en) 1978-07-12
FR2282529A1 (en) 1976-03-19
DE2507106A1 (en) 1976-03-04

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