FR660430A - Hydraulic apparatus for straightening mine frames - Google Patents

Hydraulic apparatus for straightening mine frames

Info

Publication number
FR660430A
FR660430A FR660430DA FR660430A FR 660430 A FR660430 A FR 660430A FR 660430D A FR660430D A FR 660430DA FR 660430 A FR660430 A FR 660430A
Authority
FR
France
Prior art keywords
straightening
mine
frames
hydraulic apparatus
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
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.)
Preparation Industrielle des Combustibles SA
Original Assignee
Preparation Industrielle des Combustibles 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 Preparation Industrielle des Combustibles SA filed Critical Preparation Industrielle des Combustibles SA
Application granted granted Critical
Publication of FR660430A publication Critical patent/FR660430A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR660430D 1927-12-31 1927-12-31 Hydraulic apparatus for straightening mine frames Expired FR660430A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR660430T 1927-12-31

Publications (1)

Publication Number Publication Date
FR660430A true FR660430A (en) 1929-07-11

Family

ID=9010262

Family Applications (1)

Application Number Title Priority Date Filing Date
FR660430D Expired FR660430A (en) 1927-12-31 1927-12-31 Hydraulic apparatus for straightening mine frames

Country Status (1)

Country Link
FR (1) FR660430A (en)

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