PL117265B1 - Variable height filling screen in particular for use with blown in fillingsazom dlja ehkspluatacii s pnevmaticheskojj zakladkojj - Google Patents

Variable height filling screen in particular for use with blown in fillingsazom dlja ehkspluatacii s pnevmaticheskojj zakladkojj Download PDF

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Publication number
PL117265B1
PL117265B1 PL21054678A PL21054678A PL117265B1 PL 117265 B1 PL117265 B1 PL 117265B1 PL 21054678 A PL21054678 A PL 21054678A PL 21054678 A PL21054678 A PL 21054678A PL 117265 B1 PL117265 B1 PL 117265B1
Authority
PL
Poland
Prior art keywords
cover according
lever
proppant
height
guard
Prior art date
Application number
PL21054678A
Other languages
English (en)
Polish (pl)
Other versions
PL210546A1 (pl
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.)
Filing date
Publication date
Application filed by Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Publication of PL210546A1 publication Critical patent/PL210546A1/xx
Publication of PL117265B1 publication Critical patent/PL117265B1/pl

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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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
    • 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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0427—Shield operating devices; Hinges therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Tents Or Canopies (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
PL21054678A 1977-10-28 1978-10-27 Variable height filling screen in particular for use with blown in fillingsazom dlja ehkspluatacii s pnevmaticheskojj zakladkojj PL117265B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772748396 DE2748396C2 (de) 1977-10-28 1977-10-28 Höhenveränderliche Versatzabschirmung, insbesondere für Blasversatzbetriebe

Publications (2)

Publication Number Publication Date
PL210546A1 PL210546A1 (pl) 1979-07-02
PL117265B1 true PL117265B1 (en) 1981-07-31

Family

ID=6022515

Family Applications (1)

Application Number Title Priority Date Filing Date
PL21054678A PL117265B1 (en) 1977-10-28 1978-10-27 Variable height filling screen in particular for use with blown in fillingsazom dlja ehkspluatacii s pnevmaticheskojj zakladkojj

Country Status (4)

Country Link
CS (1) CS208742B2 (cs)
DE (1) DE2748396C2 (cs)
FR (1) FR2407340A1 (cs)
PL (1) PL117265B1 (cs)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012605A1 (de) * 1980-04-01 1981-10-15 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitendes hydraulisches ausbaugestell, insbesondere ausbaubock, mit lemniskatengetriebe
DE3023282A1 (de) * 1980-06-21 1982-01-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schildbock, insbesondere fuer den einsatz beim abbau maechtiger lagerstaetten im scheibenbau
PL143149B1 (en) * 1983-01-05 1988-01-30 Gewerk Eisenhuette Westfalia Apparatus for supporting roofs in steep deposits in particular in coal seams
GB2143882B (en) * 1983-07-23 1986-11-05 Dowty Mining Equipment Ltd Shield supports suitable for use in mines
CN105971607A (zh) * 2016-05-20 2016-09-28 河南理工大学 一种中厚煤层沿空留巷方法
CN110985117B (zh) * 2019-11-20 2021-03-09 淮南创大实业有限责任公司 一种矸石充填捣实装置
CN114233359B (zh) * 2022-01-24 2024-03-01 中煤能源研究院有限责任公司 一种放顶式矸石充填液压支架及填充方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1520313A (fr) * 1967-04-25 1968-04-05 Gullick Ltd Perfectionnements relatifs aux soutènements de mine
BE789390A (fr) * 1971-10-02 1973-01-15 Gewerk Eisenhuette Westfalia Chassis de soutenement a boucliers
US3996753A (en) * 1973-02-27 1976-12-14 Becorit Grubenausbau Gmbh Mine roof support

Also Published As

Publication number Publication date
DE2748396C2 (de) 1985-08-08
DE2748396A1 (de) 1979-05-03
FR2407340B1 (cs) 1983-01-28
PL210546A1 (pl) 1979-07-02
CS208742B2 (en) 1981-09-15
FR2407340A1 (fr) 1979-05-25

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