FR63660E - Assembly part for mine frames - Google Patents

Assembly part for mine frames

Info

Publication number
FR63660E
FR63660E FR63660DA FR63660E FR 63660 E FR63660 E FR 63660E FR 63660D A FR63660D A FR 63660DA FR 63660 E FR63660 E FR 63660E
Authority
FR
France
Prior art keywords
mine
frames
assembly part
assembly
mine frames
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.)
& Rech S Ind & Scient E R I S
Original Assignee
& Rech S Ind & Scient E R I S
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 & Rech S Ind & Scient E R I S filed Critical & Rech S Ind & Scient E R I S
Application granted granted Critical
Publication of FR63660E publication Critical patent/FR63660E/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
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure

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)
FR63660D 1953-01-08 1953-01-08 Assembly part for mine frames Expired FR63660E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR63660T 1953-01-08

Publications (1)

Publication Number Publication Date
FR63660E true FR63660E (en) 1955-09-30

Family

ID=8696865

Family Applications (1)

Application Number Title Priority Date Filing Date
FR63660D Expired FR63660E (en) 1953-01-08 1953-01-08 Assembly part for mine frames

Country Status (1)

Country Link
FR (1) FR63660E (en)

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