FR350408A - Bouclier circulaire à direction réglable - Google Patents

Bouclier circulaire à direction réglable

Info

Publication number
FR350408A
FR350408A FR350408DA FR350408A FR 350408 A FR350408 A FR 350408A FR 350408D A FR350408D A FR 350408DA FR 350408 A FR350408 A FR 350408A
Authority
FR
France
Prior art keywords
adjustable direction
circular shield
shield
circular
adjustable
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
English (en)
Inventor
Jules-Adrien Raguet
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.)
JULES ADRIEN RAGUET
Original Assignee
JULES ADRIEN RAGUET
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 JULES ADRIEN RAGUET filed Critical JULES ADRIEN RAGUET
Application granted granted Critical
Publication of FR350408A publication Critical patent/FR350408A/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
    • E21D9/0621—Shield advancing devices

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)
FR350408D 1904-12-17 1904-12-17 Bouclier circulaire à direction réglable Expired FR350408A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR350408T 1904-12-17

Publications (1)

Publication Number Publication Date
FR350408A true FR350408A (fr) 1906-02-01

Family

ID=1398834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR350408D Expired FR350408A (fr) 1904-12-17 1904-12-17 Bouclier circulaire à direction réglable

Country Status (1)

Country Link
FR (1) FR350408A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216345B (de) * 1961-02-02 1966-05-12 Wayss & Freytag Ag Auskleidung fuer einen in Schildbauweise herzustellenden Tunnel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216345B (de) * 1961-02-02 1966-05-12 Wayss & Freytag Ag Auskleidung fuer einen in Schildbauweise herzustellenden Tunnel

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