GB1039314A - A walking roof support system for longwall workings in coal mines - Google Patents

A walking roof support system for longwall workings in coal mines

Info

Publication number
GB1039314A
GB1039314A GB1198864A GB1198864A GB1039314A GB 1039314 A GB1039314 A GB 1039314A GB 1198864 A GB1198864 A GB 1198864A GB 1198864 A GB1198864 A GB 1198864A GB 1039314 A GB1039314 A GB 1039314A
Authority
GB
United Kingdom
Prior art keywords
control unit
hydraulic
assembly
roof support
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
GB1198864A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1039314A publication Critical patent/GB1039314A/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
    • 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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith

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)
  • Excavating Of Shafts Or Tunnels (AREA)
GB1198864A 1963-03-22 1964-03-20 A walking roof support system for longwall workings in coal mines Expired GB1039314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0037332 1963-03-22

Publications (1)

Publication Number Publication Date
GB1039314A true GB1039314A (en) 1966-08-17

Family

ID=7125611

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1198864A Expired GB1039314A (en) 1963-03-22 1964-03-20 A walking roof support system for longwall workings in coal mines

Country Status (2)

Country Link
BE (1) BE645521A (sl)
GB (1) GB1039314A (sl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450942A1 (fr) * 1979-03-08 1980-10-03 Gewerk Eisenhuette Westfalia Dispositif pour le raccordement d'un soutenement marchant hydraulique au systeme d'alimentation d'une exploitation miniere au fond
GB2164987A (en) * 1984-09-26 1986-04-03 Dowty Mining Equipment Ltd Mine roof supports

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450942A1 (fr) * 1979-03-08 1980-10-03 Gewerk Eisenhuette Westfalia Dispositif pour le raccordement d'un soutenement marchant hydraulique au systeme d'alimentation d'une exploitation miniere au fond
GB2164987A (en) * 1984-09-26 1986-04-03 Dowty Mining Equipment Ltd Mine roof supports

Also Published As

Publication number Publication date
BE645521A (sl) 1964-07-16

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