AT277117B - Wandering longwall mining - Google Patents

Wandering longwall mining

Info

Publication number
AT277117B
AT277117B AT1060768A AT1060768A AT277117B AT 277117 B AT277117 B AT 277117B AT 1060768 A AT1060768 A AT 1060768A AT 1060768 A AT1060768 A AT 1060768A AT 277117 B AT277117 B AT 277117B
Authority
AT
Austria
Prior art keywords
wandering
longwall mining
longwall
mining
wandering longwall
Prior art date
Application number
AT1060768A
Other languages
German (de)
Original Assignee
Gullick 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 Ltd filed Critical Gullick Ltd
Application granted granted Critical
Publication of AT277117B publication Critical patent/AT277117B/en

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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0017—Pile type supports
    • E21D23/0021—Pile type supports comprising two walking elements
    • 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
    • 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

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)
  • Fluid-Pressure Circuits (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Lining And Supports For Tunnels (AREA)
AT1060768A 1967-11-08 1968-10-31 Wandering longwall mining AT277117B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5084767 1967-11-08

Publications (1)

Publication Number Publication Date
AT277117B true AT277117B (en) 1969-12-10

Family

ID=10457623

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1060768A AT277117B (en) 1967-11-08 1968-10-31 Wandering longwall mining

Country Status (5)

Country Link
US (1) US3530490A (en)
JP (1) JPS4839323B1 (en)
AT (1) AT277117B (en)
DE (1) DE1805229C3 (en)
GB (1) GB1228381A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702061A (en) * 1971-09-20 1972-11-07 Kloeckner Werke Ag Hydraulic support systems for mine workings
BE795481A (en) * 1972-09-14 1973-05-29 Gewerk Eisenhuette Westfalia BACKUP PILE FOR MINING, FEATURING A HYDRAULIC CONTROL BLOCK
US3996753A (en) * 1973-02-27 1976-12-14 Becorit Grubenausbau Gmbh Mine roof support
GB1546630A (en) * 1976-12-29 1979-05-23 Fletcher Sutcliffe Wild Ltd Mine roof supports
DE2733270C2 (en) * 1977-07-22 1984-07-19 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Expansion control for a progressive hydraulic expansion
DE3002818C2 (en) * 1980-01-26 1984-02-23 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Device for controlling hydraulic feed cylinders, in particular for the feed of sliding caps of a walking support
DE3212747A1 (en) * 1982-04-06 1983-10-06 Gewerk Eisenhuette Westfalia DEVICE FOR STROKE CONTROL OF A CYLINDER GROUP OF A HYDRAULIC REMOVAL SYSTEM, IN PARTICULAR FOR SETTING THE STAMP OF A SCREAM REMOVAL UNIT
GB9009859D0 (en) * 1990-05-02 1990-06-27 Meco Mining Equip A mine roof support

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE558976A (en) *
US2585297A (en) * 1949-05-23 1952-02-12 Rupert Diecasting Company Aluminum die-casting machine
US3198083A (en) * 1963-05-13 1965-08-03 Dowty Mining Equipment Ltd Control system for mine roof supports
GB1022469A (en) * 1964-02-11 1966-03-16 Dowty Mining Equipment Ltd Roof support assembly suitable for use in mines

Also Published As

Publication number Publication date
DE1805229C3 (en) 1974-08-15
JPS4839323B1 (en) 1973-11-22
DE1805229A1 (en) 1972-05-25
US3530490A (en) 1970-09-22
GB1228381A (en) 1971-04-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee