FR2406064A1 - Bouclier a couteaux avec couteaux expansibles - Google Patents

Bouclier a couteaux avec couteaux expansibles

Info

Publication number
FR2406064A1
FR2406064A1 FR7821250A FR7821250A FR2406064A1 FR 2406064 A1 FR2406064 A1 FR 2406064A1 FR 7821250 A FR7821250 A FR 7821250A FR 7821250 A FR7821250 A FR 7821250A FR 2406064 A1 FR2406064 A1 FR 2406064A1
Authority
FR
France
Prior art keywords
knives
expandable
knife shield
jacks
support frame
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.)
Granted
Application number
FR7821250A
Other languages
English (en)
French (fr)
Other versions
FR2406064B1 (enrdf_load_stackoverflow
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia 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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of FR2406064A1 publication Critical patent/FR2406064A1/fr
Application granted granted Critical
Publication of FR2406064B1 publication Critical patent/FR2406064B1/fr
Granted 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
    • E21D9/0692—Cutter drive shields

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)
  • Excavating Of Shafts Or Tunnels (AREA)
FR7821250A 1977-10-15 1978-07-18 Bouclier a couteaux avec couteaux expansibles Granted FR2406064A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772746487 DE2746487C2 (de) 1977-10-15 1977-10-15 Messerschild mit spreizbaren Vortriebsmessern

Publications (2)

Publication Number Publication Date
FR2406064A1 true FR2406064A1 (fr) 1979-05-11
FR2406064B1 FR2406064B1 (enrdf_load_stackoverflow) 1982-06-11

Family

ID=6021541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7821250A Granted FR2406064A1 (fr) 1977-10-15 1978-07-18 Bouclier a couteaux avec couteaux expansibles

Country Status (5)

Country Link
JP (1) JPS5477428A (enrdf_load_stackoverflow)
AT (1) AT353825B (enrdf_load_stackoverflow)
DE (1) DE2746487C2 (enrdf_load_stackoverflow)
FR (1) FR2406064A1 (enrdf_load_stackoverflow)
GB (1) GB2009814B (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1506688A (fr) * 1965-12-17 1967-12-22 Machine pour le percement de tunnels
US3861748A (en) * 1974-02-08 1975-01-21 Robbins Co Earth boring machine and method
FR2241688A1 (enrdf_load_stackoverflow) * 1973-07-14 1975-03-21 Gewerk Eisenhuette Westfalia
DE2615264A1 (de) * 1976-04-08 1977-10-27 Gewerk Eisenhuette Westfalia Vortriebseinrichtung fuer das auffahren von tunneln, stollen u.dgl.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115535A (ja) * 1974-07-30 1976-02-07 Komatsu Mfg Co Ltd Tonnerukutsushinyoshiirudo
DE2547021C3 (de) * 1975-10-21 1984-11-15 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Verbauschild

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1506688A (fr) * 1965-12-17 1967-12-22 Machine pour le percement de tunnels
FR2241688A1 (enrdf_load_stackoverflow) * 1973-07-14 1975-03-21 Gewerk Eisenhuette Westfalia
US3861748A (en) * 1974-02-08 1975-01-21 Robbins Co Earth boring machine and method
DE2615264A1 (de) * 1976-04-08 1977-10-27 Gewerk Eisenhuette Westfalia Vortriebseinrichtung fuer das auffahren von tunneln, stollen u.dgl.

Also Published As

Publication number Publication date
JPH0215719B2 (enrdf_load_stackoverflow) 1990-04-12
AT353825B (de) 1979-12-10
ATA475378A (de) 1979-05-15
DE2746487A1 (de) 1979-04-19
GB2009814B (en) 1982-03-17
DE2746487C2 (de) 1985-11-21
GB2009814A (en) 1979-06-20
FR2406064B1 (enrdf_load_stackoverflow) 1982-06-11
JPS5477428A (en) 1979-06-20

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Legal Events

Date Code Title Description
ST Notification of lapse