FR2208045B1 - - Google Patents

Info

Publication number
FR2208045B1
FR2208045B1 FR7314144A FR7314144A FR2208045B1 FR 2208045 B1 FR2208045 B1 FR 2208045B1 FR 7314144 A FR7314144 A FR 7314144A FR 7314144 A FR7314144 A FR 7314144A FR 2208045 B1 FR2208045 B1 FR 2208045B1
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
FR7314144A
Other languages
French (fr)
Other versions
FR2208045A1 (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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of FR2208045A1 publication Critical patent/FR2208045A1/fr
Application granted granted Critical
Publication of FR2208045B1 publication Critical patent/FR2208045B1/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/08—Guiding the machine
    • E21C35/12—Guiding the machine along a conveyor for the cut material
    • E21C35/14—Equipment for pressing the conveyor towards the working face
    • 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
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors shifting devices

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)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Control Of Conveyors (AREA)
FR7314144A 1972-11-29 1973-04-18 Expired FR2208045B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722258423 DE2258423C3 (en) 1972-11-29 1972-11-29 Device for backing the leadership of a mining machine or the like. for mining and extraction operations, with metered loading of the return cylinder

Publications (2)

Publication Number Publication Date
FR2208045A1 FR2208045A1 (en) 1974-06-21
FR2208045B1 true FR2208045B1 (en) 1977-02-11

Family

ID=5863023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7314144A Expired FR2208045B1 (en) 1972-11-29 1973-04-18

Country Status (7)

Country Link
BE (1) BE801901A (en)
CS (1) CS237305B2 (en)
DE (1) DE2258423C3 (en)
FR (1) FR2208045B1 (en)
GB (1) GB1454530A (en)
PL (1) PL91238B1 (en)
SU (1) SU730314A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2606394C2 (en) * 1976-02-18 1984-12-20 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Plane pressure control for a mining extraction plant
DE3110220A1 (en) * 1981-03-17 1982-10-07 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen HYDRAULIC, ESPECIALLY ELECTRO-HYDRAULIC EXTENSION CONTROL FOR UNDERGROUND PROFITING COMPANIES

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1160451A (en) 1966-02-22 1969-08-06 Coal Industry Patents Ltd Fixed Increment Advance of Face Conveyors
DE1483957C3 (en) 1966-06-18 1978-12-14 Gewerkschaft Eisenhuette Westfalia, 4628 Altluenen Rear device for a face conveyor or a guide rail with an extraction machine guided on it
DE2008287A1 (en) 1970-02-23 1971-09-09 Maschinenfabrik Gluckauf Günther Klerner, 4650 Gelsenkirchen Jerk device including control for a coal plow guide

Also Published As

Publication number Publication date
CS386073A2 (en) 1984-12-14
BE801901A (en) 1973-11-05
DE2258423C3 (en) 1980-11-13
DE2258423A1 (en) 1974-05-30
FR2208045A1 (en) 1974-06-21
DE2258423B2 (en) 1980-03-27
SU730314A3 (en) 1980-04-25
GB1454530A (en) 1976-11-03
CS237305B2 (en) 1985-07-16
PL91238B1 (en) 1977-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse