FR823443A - Shield for the execution of underground works - Google Patents

Shield for the execution of underground works

Info

Publication number
FR823443A
FR823443A FR823443DA FR823443A FR 823443 A FR823443 A FR 823443A FR 823443D A FR823443D A FR 823443DA FR 823443 A FR823443 A FR 823443A
Authority
FR
France
Prior art keywords
shield
execution
underground works
underground
works
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
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 filed Critical
Application granted granted Critical
Publication of FR823443A publication Critical patent/FR823443A/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
    • 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)
FR823443D 1936-10-02 1936-10-02 Shield for the execution of underground works Expired FR823443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR823443T 1936-10-02

Publications (1)

Publication Number Publication Date
FR823443A true FR823443A (en) 1938-01-20

Family

ID=9281375

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823443D Expired FR823443A (en) 1936-10-02 1936-10-02 Shield for the execution of underground works

Country Status (1)

Country Link
FR (1) FR823443A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404098A1 (en) * 1977-09-21 1979-04-20 Borie Entr Travaux Publics And Shield for driving semicircular section tunnels - has rams to push shield forward on slides after relieving weight on side pads (PT 25.5.79)
DE3930963A1 (en) * 1989-09-15 1991-03-28 Licentia Gmbh MODULAR CONVEYOR

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404098A1 (en) * 1977-09-21 1979-04-20 Borie Entr Travaux Publics And Shield for driving semicircular section tunnels - has rams to push shield forward on slides after relieving weight on side pads (PT 25.5.79)
DE3930963A1 (en) * 1989-09-15 1991-03-28 Licentia Gmbh MODULAR CONVEYOR

Similar Documents

Publication Publication Date Title
FR823443A (en) Shield for the execution of underground works
FR48779E (en) Shield for the execution of underground works
FR815777A (en) Clockwork mechanism
FR829295A (en) Improvements to the excitation circuits of electro-magnetic devices
FR806525A (en) New pipe joint
FR817123A (en) Improvements to pedestrian barriers
FR810833A (en) Advanced walk called <second hand> for children
FR825824A (en) Improvements to the sealing of containers
FR826665A (en) Shoe ventilation device
FR807678A (en) Special espadrille braid
FR819723A (en) Spiral slide for underground work
FR805240A (en) Improvements to bagging facilities
FR825885A (en) Case for striking clocks
FR831135A (en) Removable coupling for tubing
FR48645E (en) Transformation from oscillations to relaxations
FR814637A (en) Improvements to the establishment of aircraft garages
FR833440A (en) Attachment device for wristwatches
FR818735A (en) Coupling sleeve for concentric cables
FR814151A (en) Pipe connection
FR839280A (en) Hydrocarbon alkylation improvements
FR815099A (en) Improvements made to coupling sleeves for scaffolding
FR825156A (en) Coupling device for pipes
FR820560A (en) Watchmaking frame
FR811677A (en) Shoe case
FR830449A (en) Hanging device insensitive to shocks