FR1247838A - Système de soutènement hydraulique - Google Patents

Système de soutènement hydraulique

Info

Publication number
FR1247838A
FR1247838A FR818300A FR818300A FR1247838A FR 1247838 A FR1247838 A FR 1247838A FR 818300 A FR818300 A FR 818300A FR 818300 A FR818300 A FR 818300A FR 1247838 A FR1247838 A FR 1247838A
Authority
FR
France
Prior art keywords
support system
hydraulic support
hydraulic
support
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR818300A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Application granted granted Critical
Publication of FR1247838A publication Critical patent/FR1247838A/fr
Expired legal-status Critical Current

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
    • E21D23/0069—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 without essential advancing shifting devices
    • 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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
FR818300A 1959-03-02 1960-02-12 Système de soutènement hydraulique Expired FR1247838A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0026518 1959-03-02

Publications (1)

Publication Number Publication Date
FR1247838A true FR1247838A (fr) 1960-12-02

Family

ID=7122951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818300A Expired FR1247838A (fr) 1959-03-02 1960-02-12 Système de soutènement hydraulique

Country Status (3)

Country Link
BE (1) BE588124A (fr)
FR (1) FR1247838A (fr)
GB (1) GB932009A (fr)

Also Published As

Publication number Publication date
GB932009A (en) 1963-07-24
BE588124A (fr) 1960-08-29

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