FR1346986A - Châssis de soutènement hydraulique mobile pour exploitations minières - Google Patents

Châssis de soutènement hydraulique mobile pour exploitations minières

Info

Publication number
FR1346986A
FR1346986A FR899579A FR899579A FR1346986A FR 1346986 A FR1346986 A FR 1346986A FR 899579 A FR899579 A FR 899579A FR 899579 A FR899579 A FR 899579A FR 1346986 A FR1346986 A FR 1346986A
Authority
FR
France
Prior art keywords
support frame
hydraulic support
mining operations
mobile hydraulic
mobile
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
FR899579A
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 FR899579A priority Critical patent/FR1346986A/fr
Application granted granted Critical
Publication of FR1346986A publication Critical patent/FR1346986A/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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/082—Advancing mechanisms forming parts of the roof supports acting solely on the elements of the supports

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)
FR899579A 1962-06-04 1962-06-04 Châssis de soutènement hydraulique mobile pour exploitations minières Expired FR1346986A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR899579A FR1346986A (fr) 1962-06-04 1962-06-04 Châssis de soutènement hydraulique mobile pour exploitations minières

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR899579A FR1346986A (fr) 1962-06-04 1962-06-04 Châssis de soutènement hydraulique mobile pour exploitations minières

Publications (1)

Publication Number Publication Date
FR1346986A true FR1346986A (fr) 1963-12-27

Family

ID=8780257

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899579A Expired FR1346986A (fr) 1962-06-04 1962-06-04 Châssis de soutènement hydraulique mobile pour exploitations minières

Country Status (1)

Country Link
FR (1) FR1346986A (fr)

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