FR1277237A - Perfectionnements aux châssis de soutènement hydrauliques - Google Patents

Perfectionnements aux châssis de soutènement hydrauliques

Info

Publication number
FR1277237A
FR1277237A FR848946A FR848946A FR1277237A FR 1277237 A FR1277237 A FR 1277237A FR 848946 A FR848946 A FR 848946A FR 848946 A FR848946 A FR 848946A FR 1277237 A FR1277237 A FR 1277237A
Authority
FR
France
Prior art keywords
support frames
hydraulic support
hydraulic
frames
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
FR848946A
Other languages
English (en)
Inventor
Waldemar Tomeczek
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.)
Hoesch Bergbautechnik GmbH
Original Assignee
Hoesch Bergbautechnik 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 Hoesch Bergbautechnik GmbH filed Critical Hoesch Bergbautechnik GmbH
Priority to FR848946A priority Critical patent/FR1277237A/fr
Application granted granted Critical
Publication of FR1277237A publication Critical patent/FR1277237A/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
    • E21D23/04—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
    • 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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential 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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
FR848946A 1961-01-06 1961-01-06 Perfectionnements aux châssis de soutènement hydrauliques Expired FR1277237A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR848946A FR1277237A (fr) 1961-01-06 1961-01-06 Perfectionnements aux châssis de soutènement hydrauliques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR848946A FR1277237A (fr) 1961-01-06 1961-01-06 Perfectionnements aux châssis de soutènement hydrauliques

Publications (1)

Publication Number Publication Date
FR1277237A true FR1277237A (fr) 1961-11-24

Family

ID=8746180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848946A Expired FR1277237A (fr) 1961-01-06 1961-01-06 Perfectionnements aux châssis de soutènement hydrauliques

Country Status (1)

Country Link
FR (1) FR1277237A (fr)

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