FR1475989A - Tunnel digging machine - Google Patents

Tunnel digging machine

Info

Publication number
FR1475989A
FR1475989A FR52504A FR52504A FR1475989A FR 1475989 A FR1475989 A FR 1475989A FR 52504 A FR52504 A FR 52504A FR 52504 A FR52504 A FR 52504A FR 1475989 A FR1475989 A FR 1475989A
Authority
FR
France
Prior art keywords
digging machine
tunnel digging
tunnel
machine
digging
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
FR52504A
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.)
Beteiligungs und Patentverwaltungs GmbH
Original Assignee
Beteiligungs und Patentverwaltungs GmbH
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 Beteiligungs und Patentverwaltungs GmbH filed Critical Beteiligungs und Patentverwaltungs GmbH
Priority to FR52504A priority Critical patent/FR1475989A/en
Application granted granted Critical
Publication of FR1475989A publication Critical patent/FR1475989A/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
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
    • E21D9/112—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of one single rotary head or of concentric rotary heads
    • E21D9/113—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of one single rotary head or of concentric rotary heads having a central part for making a pilot tunnel and a follow-up part for enlarging the pilot tunnel

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)
FR52504A 1966-03-08 1966-03-08 Tunnel digging machine Expired FR1475989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR52504A FR1475989A (en) 1966-03-08 1966-03-08 Tunnel digging machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR52504A FR1475989A (en) 1966-03-08 1966-03-08 Tunnel digging machine

Publications (1)

Publication Number Publication Date
FR1475989A true FR1475989A (en) 1967-04-07

Family

ID=8603202

Family Applications (1)

Application Number Title Priority Date Filing Date
FR52504A Expired FR1475989A (en) 1966-03-08 1966-03-08 Tunnel digging machine

Country Status (1)

Country Link
FR (1) FR1475989A (en)

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