FR2138214A1 - - Google Patents

Info

Publication number
FR2138214A1
FR2138214A1 FR7118175A FR7118175A FR2138214A1 FR 2138214 A1 FR2138214 A1 FR 2138214A1 FR 7118175 A FR7118175 A FR 7118175A FR 7118175 A FR7118175 A FR 7118175A FR 2138214 A1 FR2138214 A1 FR 2138214A1
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.)
Granted
Application number
FR7118175A
Other languages
French (fr)
Other versions
FR2138214B1 (enExample
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7118175A priority Critical patent/FR2138214B1/fr
Publication of FR2138214A1 publication Critical patent/FR2138214A1/fr
Application granted granted Critical
Publication of FR2138214B1 publication Critical patent/FR2138214B1/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
    • E21D9/04—Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for
    • 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

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)
FR7118175A 1971-05-19 1971-05-19 Expired FR2138214B1 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7118175A FR2138214B1 (enExample) 1971-05-19 1971-05-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7118175A FR2138214B1 (enExample) 1971-05-19 1971-05-19

Publications (2)

Publication Number Publication Date
FR2138214A1 true FR2138214A1 (enExample) 1973-01-05
FR2138214B1 FR2138214B1 (enExample) 1973-05-11

Family

ID=9077313

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7118175A Expired FR2138214B1 (enExample) 1971-05-19 1971-05-19

Country Status (1)

Country Link
FR (1) FR2138214B1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394806A1 (en) * 1989-04-28 1990-10-31 TREVI S.p.A. Method and apparatus for tunnelling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394806A1 (en) * 1989-04-28 1990-10-31 TREVI S.p.A. Method and apparatus for tunnelling
US5104260A (en) * 1989-04-28 1992-04-14 Trevi S.P.A. Method and apparatus for tunnelling

Also Published As

Publication number Publication date
FR2138214B1 (enExample) 1973-05-11

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Legal Events

Date Code Title Description
AM Act modifying the rights related to an application or a patent
TP Transmission of property
ST Notification of lapse