GB1517711A - Self-advancing mine roof supports - Google Patents

Self-advancing mine roof supports

Info

Publication number
GB1517711A
GB1517711A GB36490/74A GB3649074A GB1517711A GB 1517711 A GB1517711 A GB 1517711A GB 36490/74 A GB36490/74 A GB 36490/74A GB 3649074 A GB3649074 A GB 3649074A GB 1517711 A GB1517711 A GB 1517711A
Authority
GB
United Kingdom
Prior art keywords
automatic
support
valve
control valve
control
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
GB36490/74A
Other languages
English (en)
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
Priority to GB36490/74A priority Critical patent/GB1517711A/en
Priority to DE19752507106 priority patent/DE2507106B2/de
Priority to ZA00754137A priority patent/ZA754137B/xx
Priority to FR7521042A priority patent/FR2282529A1/fr
Priority to AU83051/75A priority patent/AU492358B2/en
Priority to JP50088462A priority patent/JPS5135601A/ja
Priority to US05/857,016 priority patent/US4159671A/en
Publication of GB1517711A publication Critical patent/GB1517711A/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
    • E21D23/26—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)
GB36490/74A 1974-08-20 1974-08-20 Self-advancing mine roof supports Expired GB1517711A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB36490/74A GB1517711A (en) 1974-08-20 1974-08-20 Self-advancing mine roof supports
DE19752507106 DE2507106B2 (de) 1974-08-20 1975-02-19 Steuervorrichtung fuer den rueck- setzvorgang der ausbaugestelle eines selbstvorrueckenden strebausbaues
ZA00754137A ZA754137B (en) 1974-08-20 1975-06-27 Improvements in or relating to selfadvancing mine roof supports
FR7521042A FR2282529A1 (fr) 1974-08-20 1975-07-04 Moyens de commande perfectionnes pour soutenements marchants de toit de mine
AU83051/75A AU492358B2 (en) 1975-07-15 Improvements in or relating to self-advancing mine roof supports
JP50088462A JPS5135601A (ko) 1974-08-20 1975-07-21
US05/857,016 US4159671A (en) 1974-08-20 1977-12-02 Self-advancing mine roof supports

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
GB1517711A true GB1517711A (en) 1978-07-12

Family

ID=10388642

Family Applications (1)

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

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200523A1 (de) * 1981-02-25 1982-10-14 Dobson Park Industries Ltd., Nottingham, Nottinghamshire Vorrichtung zur auswahl einer betrieblichen funktion eines druckmittelbetaetigbaren ausbaugestells im untertaegigen bergbau

Families Citing this family (6)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200523A1 (de) * 1981-02-25 1982-10-14 Dobson Park Industries Ltd., Nottingham, Nottinghamshire Vorrichtung zur auswahl einer betrieblichen funktion eines druckmittelbetaetigbaren ausbaugestells im untertaegigen bergbau

Also Published As

Publication number Publication date
ZA754137B (en) 1976-06-30
FR2282529B3 (ko) 1979-03-16
DE2507106A1 (de) 1976-03-04
DE2507106B2 (de) 1977-02-24
AU8305175A (en) 1977-01-20
FR2282529A1 (fr) 1976-03-19
JPS5135601A (ko) 1976-03-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee