BE795481A - Pile de soutenement pour exploitation minieres, comportant un bloc de commande hydraulique - Google Patents

Pile de soutenement pour exploitation minieres, comportant un bloc de commande hydraulique

Info

Publication number
BE795481A
BE795481A BE795481DA BE795481A BE 795481 A BE795481 A BE 795481A BE 795481D A BE795481D A BE 795481DA BE 795481 A BE795481 A BE 795481A
Authority
BE
Belgium
Prior art keywords
featuring
mining
pile
backup
hydraulic control
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Gewerk Eisenhuette Westfalia
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.)
Publication date
Publication of BE795481A publication Critical patent/BE795481A/xx

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
    • E21D23/006—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

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)
  • Lifting Devices For Agricultural Implements (AREA)
BE795481D 1972-09-14 Pile de soutenement pour exploitation minieres, comportant un bloc de commande hydraulique BE795481A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7233815 1972-09-14

Publications (1)

Publication Number Publication Date
BE795481A true BE795481A (fr) 1973-05-29

Family

ID=6632663

Family Applications (1)

Application Number Title Priority Date Filing Date
BE795481D BE795481A (fr) 1972-09-14 Pile de soutenement pour exploitation minieres, comportant un bloc de commande hydraulique

Country Status (4)

Country Link
US (1) US3889481A (enExample)
BE (1) BE795481A (enExample)
FR (1) FR2200437B1 (enExample)
GB (1) GB1437449A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2700829C2 (de) * 1977-01-11 1986-04-17 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulische Ausbausteuerung
US4483644A (en) * 1982-09-15 1984-11-20 Johnson Thomas P Cantilevered mobile marine rig with hydraulic load equalizer
CN102661161B (zh) * 2012-04-10 2014-04-16 重庆友诚自动化工程技术有限公司 用于矿用液压支架控制器的编址系统及其编址方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1087098B (de) * 1956-01-27 1960-08-18 Gewerk Eisenhuette Westfalia Schreitender Ausbau fuer bergmaennische Gewinnungsbetriebe
US3143862A (en) * 1958-08-11 1964-08-11 Dobson Ltd W E & F Support of roofs in mines
US3295331A (en) * 1963-04-05 1967-01-03 Gewerk Eisenhuette Westfalia Movable mining support
GB1228381A (enExample) * 1967-11-08 1971-04-15

Also Published As

Publication number Publication date
AU6004873A (en) 1975-03-06
GB1437449A (en) 1976-05-26
US3889481A (en) 1975-06-17
FR2200437B1 (enExample) 1982-07-30
FR2200437A1 (enExample) 1974-04-19

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEWERKSCHAFT EISENHUTTE WESTFALIA

Effective date: 19900228