FR2182762B3 - - Google Patents

Info

Publication number
FR2182762B3
FR2182762B3 FR7216911A FR7216911A FR2182762B3 FR 2182762 B3 FR2182762 B3 FR 2182762B3 FR 7216911 A FR7216911 A FR 7216911A FR 7216911 A FR7216911 A FR 7216911A FR 2182762 B3 FR2182762 B3 FR 2182762B3
Authority
FR
France
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
FR7216911A
Other languages
French (fr)
Other versions
FR2182762A1 (OSRAM
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.)
Bennes Marrel SA
Original Assignee
Bennes Marrel SA
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 Bennes Marrel SA filed Critical Bennes Marrel SA
Priority to FR7216911A priority Critical patent/FR2182762B3/fr
Publication of FR2182762A1 publication Critical patent/FR2182762A1/fr
Application granted granted Critical
Publication of FR2182762B3 publication Critical patent/FR2182762B3/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
    • E21D23/0418—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)
FR7216911A 1972-05-02 1972-05-02 Expired FR2182762B3 (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7216911A FR2182762B3 (OSRAM) 1972-05-02 1972-05-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7216911A FR2182762B3 (OSRAM) 1972-05-02 1972-05-02

Publications (2)

Publication Number Publication Date
FR2182762A1 FR2182762A1 (OSRAM) 1973-12-14
FR2182762B3 true FR2182762B3 (OSRAM) 1974-10-31

Family

ID=9098369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7216911A Expired FR2182762B3 (OSRAM) 1972-05-02 1972-05-02

Country Status (1)

Country Link
FR (1) FR2182762B3 (OSRAM)

Also Published As

Publication number Publication date
FR2182762A1 (OSRAM) 1973-12-14

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