FR2048236A5 - - Google Patents

Info

Publication number
FR2048236A5
FR2048236A5 FR6935681A FR6935681A FR2048236A5 FR 2048236 A5 FR2048236 A5 FR 2048236A5 FR 6935681 A FR6935681 A FR 6935681A FR 6935681 A FR6935681 A FR 6935681A FR 2048236 A5 FR2048236 A5 FR 2048236A5
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
FR6935681A
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 FR6935681A priority Critical patent/FR2048236A5/fr
Application granted granted Critical
Publication of FR2048236A5 publication Critical patent/FR2048236A5/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)
FR6935681A 1969-10-17 1969-10-17 Expired FR2048236A5 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6935681A FR2048236A5 (enExample) 1969-10-17 1969-10-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6935681A FR2048236A5 (enExample) 1969-10-17 1969-10-17

Publications (1)

Publication Number Publication Date
FR2048236A5 true FR2048236A5 (enExample) 1971-03-19

Family

ID=9041702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6935681A Expired FR2048236A5 (enExample) 1969-10-17 1969-10-17

Country Status (1)

Country Link
FR (1) FR2048236A5 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2349000A1 (fr) * 1976-04-21 1977-11-18 Helvoirt C Dispositif pour perforer un trou dans une digue ou un autre element du meme type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2349000A1 (fr) * 1976-04-21 1977-11-18 Helvoirt C Dispositif pour perforer un trou dans une digue ou un autre element du meme type

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Legal Events

Date Code Title Description
ST Notification of lapse