BE789314A - Ensemble de soutenement marchant a deplacement hydraulique - Google Patents

Ensemble de soutenement marchant a deplacement hydraulique

Info

Publication number
BE789314A
BE789314A BE789314DA BE789314A BE 789314 A BE789314 A BE 789314A BE 789314D A BE789314D A BE 789314DA BE 789314 A BE789314 A BE 789314A
Authority
BE
Belgium
Prior art keywords
support assembly
walking support
hydraulic displacement
displacement walking
hydraulic
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 BE789314A publication Critical patent/BE789314A/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
    • E21D23/04—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
    • E21D23/0418—Positioning devices and stabilizing means for the props

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)
BE789314D 1971-10-02 Ensemble de soutenement marchant a deplacement hydraulique BE789314A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7137476 1971-10-02

Publications (1)

Publication Number Publication Date
BE789314A true BE789314A (fr) 1973-01-15

Family

ID=6624254

Family Applications (1)

Application Number Title Priority Date Filing Date
BE789314D BE789314A (fr) 1971-10-02 Ensemble de soutenement marchant a deplacement hydraulique

Country Status (2)

Country Link
BE (1) BE789314A (show.php)
FR (1) FR2156602B1 (show.php)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1276658A (en) * 1968-10-03 1972-06-07 Gullick Dobson Ltd Improvements in or relating to means for directing or manoeuvring mineral working or like equipment in relation to a mineral face or terrain to be mined or worked with the aid of such equipment

Also Published As

Publication number Publication date
FR2156602A1 (show.php) 1973-06-01
FR2156602B1 (show.php) 1976-10-29

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