FR2282529B3 - - Google Patents

Info

Publication number
FR2282529B3
FR2282529B3 FR7521042A FR7521042A FR2282529B3 FR 2282529 B3 FR2282529 B3 FR 2282529B3 FR 7521042 A FR7521042 A FR 7521042A FR 7521042 A FR7521042 A FR 7521042A FR 2282529 B3 FR2282529 B3 FR 2282529B3
Authority
FR
France
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
FR7521042A
Other languages
French (fr)
Other versions
FR2282529A1 (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.)
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 FR2282529A1 publication Critical patent/FR2282529A1/fr
Application granted granted Critical
Publication of FR2282529B3 publication Critical patent/FR2282529B3/fr
Granted 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)
FR7521042A 1974-08-20 1975-07-04 Moyens de commande perfectionnes pour soutenements marchants de toit de mine Granted FR2282529A1 (fr)

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 (2)

Publication Number Publication Date
FR2282529A1 FR2282529A1 (fr) 1976-03-19
FR2282529B3 true FR2282529B3 (cs) 1979-03-16

Family

ID=10388642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521042A Granted FR2282529A1 (fr) 1974-08-20 1975-07-04 Moyens de commande perfectionnes pour soutenements marchants de toit de mine

Country Status (5)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2640185C3 (de) * 1976-09-07 1986-07-10 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Mehrfachsteuergerät für hydraulischen Schreitausbau
DE2700829C2 (de) * 1977-01-11 1986-04-17 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulische Ausbausteuerung
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 (de) * 1983-09-24 1984-05-10 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Signalgeber für Steuersignale zur Steuerung eines hydraulischen Schreitausbaus
DE3608181C2 (de) * 1986-03-12 1995-01-05 Westfalia Becorit Ind Tech Versorgungsblock für den Anschluß hydraulischer Ausbaugestelle an die Versorgungsleitungen eines zentralen hydraulischen Versorgungssystems
DE3700470A1 (de) * 1987-01-09 1988-07-21 Bochumer Eisen Heintzmann Hydraulische fernbetaetigung

Also Published As

Publication number Publication date
DE2507106B2 (de) 1977-02-24
JPS5135601A (cs) 1976-03-26
FR2282529A1 (fr) 1976-03-19
ZA754137B (en) 1976-06-30
AU8305175A (en) 1977-01-20
GB1517711A (en) 1978-07-12
DE2507106A1 (de) 1976-03-04

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