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FR1371940A - Method and device for drilling underground - Google Patents

Method and device for drilling underground

Info

Publication number
FR1371940A
FR1371940A FR943132A FR943132A FR1371940A FR 1371940 A FR1371940 A FR 1371940A FR 943132 A FR943132 A FR 943132A FR 943132 A FR943132 A FR 943132A FR 1371940 A FR1371940 A FR 1371940A
Authority
FR
France
Prior art keywords
drilling underground
underground
drilling
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
FR943132A
Other languages
French (fr)
Inventor
R Oul Francois Fradet
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 filed Critical
Priority to FR943132A priority Critical patent/FR1371940A/en
Application granted granted Critical
Publication of FR1371940A publication Critical patent/FR1371940A/en
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
    • 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
    • E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
    • E21D9/065—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end with devices for provisionally supporting the front face

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)
FR943132A 1963-07-30 1963-07-30 Method and device for drilling underground Expired FR1371940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR943132A FR1371940A (en) 1963-07-30 1963-07-30 Method and device for drilling underground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR943132A FR1371940A (en) 1963-07-30 1963-07-30 Method and device for drilling underground

Publications (1)

Publication Number Publication Date
FR1371940A true FR1371940A (en) 1964-09-11

Family

ID=8809469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943132A Expired FR1371940A (en) 1963-07-30 1963-07-30 Method and device for drilling underground

Country Status (1)

Country Link
FR (1) FR1371940A (en)

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