BE732099A - - Google Patents

Info

Publication number
BE732099A
BE732099A BE732099DA BE732099A BE 732099 A BE732099 A BE 732099A BE 732099D A BE732099D A BE 732099DA BE 732099 A BE732099 A BE 732099A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE732099A publication Critical patent/BE732099A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409Aligning or guiding means for the supports or for the constitutive parts of the supports
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/006Mine 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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Actuator (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
BE732099D 1968-06-01 1969-04-25 BE732099A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681758448 DE1758448A1 (de) 1968-06-01 1968-06-01 Hydraulischer Strebausbau

Publications (1)

Publication Number Publication Date
BE732099A true BE732099A (de) 1969-10-27

Family

ID=5695039

Family Applications (1)

Application Number Title Priority Date Filing Date
BE732099D BE732099A (de) 1968-06-01 1969-04-25

Country Status (5)

Country Link
US (1) US3592011A (de)
BE (1) BE732099A (de)
DE (1) DE1758448A1 (de)
FR (1) FR2010003A1 (de)
GB (1) GB1261118A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744992C2 (de) * 1977-10-06 1989-09-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk für einen Schild- oder Bockausbau u.dgl.
DE2808844C2 (de) * 1978-03-01 1983-04-14 Gosudarstvennyj proektno-konstruktorskij i technologičeskij institut pod"emno-transportnogo mašinostroenija, Novomoskovsk, Tul'skaja oblast' Hilfsausbau zur Sicherung des Streb/Streckenüberganges bei mäßig geneigter Lagerung des Flözes
GB8328281D0 (en) * 1983-10-22 1983-11-23 Dobson Park Ind Mine roof supports
DE3410973C2 (de) * 1984-03-24 1986-06-05 Festo KG, 7300 Esslingen Druckmittelbetätigte schlittenartige Vorschubeinrichtung
DE3544349A1 (de) * 1985-12-14 1987-06-19 Gewerk Eisenhuette Westfalia Hydraulische richtstuetze fuer schreitausbaugestelle
US5584611A (en) * 1994-11-22 1996-12-17 Long-Airdox Roof support for underground excavations
CN102678140B (zh) * 2012-05-30 2014-06-18 山西东华机械有限公司 液压支架回撤机中的旋转装置
US10774642B1 (en) * 2019-05-05 2020-09-15 Liaoning University Hydraulic support unit and hydraulic support for anti-rock burst roadway
CN112963181B (zh) * 2021-02-24 2023-02-14 中国矿业大学 一种超前支架顶梁支撑装置及其使用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766537A (en) * 1953-02-25 1957-01-23 Coal Industry Patents Ltd Improvements in mine roof supports
DE1028516B (de) * 1955-07-22 1958-04-24 Arnold Haarmann Dr Ing Wandernder Grubenausbau fuer bergmaennische Gewinnungsbetriebe
DE1169399B (de) * 1956-06-18 1964-05-06 Gewerk Eisenhuette Westfalia Rueckbarer Ausbau fuer bergmaennische Gewinnungsbetriebe
GB874435A (en) * 1956-12-12 1961-08-10 Arnold Haarmann Advancing mine roof support structure for mine working faces
US3120105A (en) * 1959-09-25 1964-02-04 Coal Industry Patents Ltd Self-advancing mine roof supports
GB1223284A (en) * 1967-07-19 1971-02-24 Kloeckner Werke Ag A hydraulic roof support system for longwall faces

Also Published As

Publication number Publication date
GB1261118A (en) 1972-01-19
DE1758448A1 (de) 1971-01-28
US3592011A (en) 1971-07-13
FR2010003A1 (de) 1970-02-13

Similar Documents

Publication Publication Date Title
AU428130B2 (de)
AU5184069A (de)
FR2010003A1 (de)
AU6168869A (de)
AU6171569A (de)
AU416157B2 (de)
AU429879B2 (de)
AU4811568A (de)
AU421558B1 (de)
AU4744468A (de)
AU3789668A (de)
BE708951A (de)
AU4503667A (de)
BE709415A (de)
BE709320A (de)
BE709319A (de)
BE709301A (de)
BE709274A (de)
BE709138A (de)
BE709119A (de)
BE709095A (de)
BE709479A (de)
BE709484A (de)
BE708888A (de)
BE642636A (de)