LU56825A1 - - Google Patents

Info

Publication number
LU56825A1
LU56825A1 LU56825DA LU56825A1 LU 56825 A1 LU56825 A1 LU 56825A1 LU 56825D A LU56825D A LU 56825DA LU 56825 A1 LU56825 A1 LU 56825A1
Authority
LU
Luxembourg
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 LU56825A1 publication Critical patent/LU56825A1/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
    • E21D23/0078—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 individual 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)
  • Actuator (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Fluid-Pressure Circuits (AREA)
LU56825D 1968-09-05 1968-09-05 LU56825A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU56825 1968-09-05

Publications (1)

Publication Number Publication Date
LU56825A1 true LU56825A1 (enrdf_load_stackoverflow) 1970-03-05

Family

ID=19725711

Family Applications (1)

Application Number Title Priority Date Filing Date
LU56825D LU56825A1 (enrdf_load_stackoverflow) 1968-09-05 1968-09-05

Country Status (6)

Country Link
US (1) US3590586A (enrdf_load_stackoverflow)
JP (1) JPS493603B1 (enrdf_load_stackoverflow)
CS (1) CS170140B2 (enrdf_load_stackoverflow)
DE (1) DE1801564B1 (enrdf_load_stackoverflow)
GB (1) GB1225349A (enrdf_load_stackoverflow)
LU (1) LU56825A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924380A1 (de) * 1979-06-16 1981-01-08 Gewerk Eisenhuette Westfalia Hubbegrenzungsvorrichtung fuer schubkolbengetriebe, insbesondere fuer schreitund rueckzylinder fuer das ruecken eines foerderers und/oder eines schreitausbaus in bergbau-untertagebetrieben
DE102013107305B4 (de) 2013-07-10 2022-11-24 Herrmann Ag Hubeinrichtung und Hebebühne mit einer solchen Hubeinrichtung
CN113638753B (zh) * 2021-08-16 2024-01-05 哈尔滨学院 一种土木工程施工用支护结构

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714505A (en) * 1948-05-01 1955-08-02 Joy Mfg Co Apparatus for mine roof control
US2859022A (en) * 1955-04-04 1958-11-04 Dowty Mining Equipment Ltd Hydraulic roof supports and conveyor feed jacks
DE1792610U (de) * 1956-01-27 1959-07-30 Gewerk Eisenhuette Westfalia Schreitender ausbau fuer bergmaennische gewinnungsbetriebe.
DE1146829B (de) * 1960-04-27 1963-04-11 Gewerk Eisenhuette Westfalia Wanderndes hydraulisches Ausbaugestell
GB934062A (en) * 1960-09-09 1963-08-14 Gullick Ltd Improvements in or relating to roof supports for mines
GB1001411A (en) * 1960-09-15 1965-08-18 Dowty Mining Equipment Ltd Roof supports suitable for use in mines
GB985401A (en) * 1961-05-13 1965-03-10 Rheinstahl Wanheim Gmbh Improvements in advanceable mine roof support assemblies
DE1126821B (de) * 1961-07-19 1962-04-05 Hemscheidt Maschf Hermann Ausbaugespann fuer die steile Lagerung
GB1036663A (en) * 1964-04-03 1966-07-20 Gullick Ltd Improvements in or relating to mine roof and like supports
DE1257720B (de) * 1966-02-17 1968-01-04 Bergwerksverband Gmbh Steuerung fuer einen wandernden Ausbaurahmen
US3437010A (en) * 1966-02-17 1969-04-08 Oskar Jacobi Mine roof support means

Also Published As

Publication number Publication date
GB1225349A (enrdf_load_stackoverflow) 1971-03-17
JPS493603B1 (enrdf_load_stackoverflow) 1974-01-28
DE1801564B1 (de) 1970-07-30
CS170140B2 (enrdf_load_stackoverflow) 1976-08-27
US3590586A (en) 1971-07-06

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