FR348743A - Compressed air shield system for tunneling, etc. - Google Patents

Compressed air shield system for tunneling, etc.

Info

Publication number
FR348743A
FR348743A FR348743DA FR348743A FR 348743 A FR348743 A FR 348743A FR 348743D A FR348743D A FR 348743DA FR 348743 A FR348743 A FR 348743A
Authority
FR
France
Prior art keywords
tunneling
compressed air
shield system
air shield
compressed
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
French (fr)
Inventor
Jean Sillard
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.)
JEAN SILLARD
Original Assignee
JEAN SILLARD
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 JEAN SILLARD filed Critical JEAN SILLARD
Application granted granted Critical
Publication of FR348743A publication Critical patent/FR348743A/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

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)
FR348743D 1904-12-10 1904-12-10 Compressed air shield system for tunneling, etc. Expired FR348743A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR348743T 1904-12-10

Publications (1)

Publication Number Publication Date
FR348743A true FR348743A (en) 1905-04-25

Family

ID=1397298

Family Applications (1)

Application Number Title Priority Date Filing Date
FR348743D Expired FR348743A (en) 1904-12-10 1904-12-10 Compressed air shield system for tunneling, etc.

Country Status (1)

Country Link
FR (1) FR348743A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266257A (en) * 1963-05-31 1966-08-16 Robbins & Assoc James S Shield tunneling method and mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266257A (en) * 1963-05-31 1966-08-16 Robbins & Assoc James S Shield tunneling method and mechanism

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