FR1250928A - Châssis de soutènement hydraulique avec étançons interchangeables - Google Patents

Châssis de soutènement hydraulique avec étançons interchangeables

Info

Publication number
FR1250928A
FR1250928A FR820362A FR820362A FR1250928A FR 1250928 A FR1250928 A FR 1250928A FR 820362 A FR820362 A FR 820362A FR 820362 A FR820362 A FR 820362A FR 1250928 A FR1250928 A FR 1250928A
Authority
FR
France
Prior art keywords
props
interchangeable
support frame
hydraulic support
hydraulic
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
FR820362A
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
Priority to FR820362A priority Critical patent/FR1250928A/fr
Application granted granted Critical
Publication of FR1250928A publication Critical patent/FR1250928A/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)
FR820362A 1960-03-04 1960-03-04 Châssis de soutènement hydraulique avec étançons interchangeables Expired FR1250928A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR820362A FR1250928A (fr) 1960-03-04 1960-03-04 Châssis de soutènement hydraulique avec étançons interchangeables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR820362A FR1250928A (fr) 1960-03-04 1960-03-04 Châssis de soutènement hydraulique avec étançons interchangeables

Publications (1)

Publication Number Publication Date
FR1250928A true FR1250928A (fr) 1961-01-13

Family

ID=8726361

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820362A Expired FR1250928A (fr) 1960-03-04 1960-03-04 Châssis de soutènement hydraulique avec étançons interchangeables

Country Status (1)

Country Link
FR (1) FR1250928A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310197A (en) * 1980-05-01 1982-01-12 Lee-Norse Company Mining and bolting method and apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310197A (en) * 1980-05-01 1982-01-12 Lee-Norse Company Mining and bolting method and apparatus

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