FR1296997A - Improvements to hydraulic support devices, more specifically for underground mining works - Google Patents

Improvements to hydraulic support devices, more specifically for underground mining works

Info

Publication number
FR1296997A
FR1296997A FR870246A FR870246A FR1296997A FR 1296997 A FR1296997 A FR 1296997A FR 870246 A FR870246 A FR 870246A FR 870246 A FR870246 A FR 870246A FR 1296997 A FR1296997 A FR 1296997A
Authority
FR
France
Prior art keywords
specifically
hydraulic support
support devices
underground mining
mining works
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
FR870246A
Other languages
French (fr)
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.)
BOCHUMER
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
BOCHUMER
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 BOCHUMER, Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical BOCHUMER
Priority to FR870246A priority Critical patent/FR1296997A/en
Application granted granted Critical
Publication of FR1296997A publication Critical patent/FR1296997A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/48—Chocks or the like
    • E21D15/486—Chocks or the like with essential hydraulic or pneumatic details

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR870246A 1961-08-07 1961-08-07 Improvements to hydraulic support devices, more specifically for underground mining works Expired FR1296997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR870246A FR1296997A (en) 1961-08-07 1961-08-07 Improvements to hydraulic support devices, more specifically for underground mining works

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR870246A FR1296997A (en) 1961-08-07 1961-08-07 Improvements to hydraulic support devices, more specifically for underground mining works

Publications (1)

Publication Number Publication Date
FR1296997A true FR1296997A (en) 1962-06-22

Family

ID=8760876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870246A Expired FR1296997A (en) 1961-08-07 1961-08-07 Improvements to hydraulic support devices, more specifically for underground mining works

Country Status (1)

Country Link
FR (1) FR1296997A (en)

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