FR2102771A5 - - Google Patents

Info

Publication number
FR2102771A5
FR2102771A5 FR7030653A FR7030653A FR2102771A5 FR 2102771 A5 FR2102771 A5 FR 2102771A5 FR 7030653 A FR7030653 A FR 7030653A FR 7030653 A FR7030653 A FR 7030653A FR 2102771 A5 FR2102771 A5 FR 2102771A5
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
FR7030653A
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.)
MO MEKH
Original Assignee
MO MEKH
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 MO MEKH filed Critical MO MEKH
Priority to FR7030653A priority Critical patent/FR2102771A5/fr
Application granted granted Critical
Publication of FR2102771A5 publication Critical patent/FR2102771A5/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
    • E21D9/0879—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR7030653A 1970-08-20 1970-08-20 Expired FR2102771A5 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7030653A FR2102771A5 (enExample) 1970-08-20 1970-08-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7030653A FR2102771A5 (enExample) 1970-08-20 1970-08-20

Publications (1)

Publication Number Publication Date
FR2102771A5 true FR2102771A5 (enExample) 1972-04-07

Family

ID=9060421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7030653A Expired FR2102771A5 (enExample) 1970-08-20 1970-08-20

Country Status (1)

Country Link
FR (1) FR2102771A5 (enExample)

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Legal Events

Date Code Title Description
ST Notification of lapse