ES421128A1 - Perfeccionamientos en maquinas de avance frontal por escu- do para la construccion de tuneles. - Google Patents
Perfeccionamientos en maquinas de avance frontal por escu- do para la construccion de tuneles.Info
- Publication number
- ES421128A1 ES421128A1 ES421128A ES421128A ES421128A1 ES 421128 A1 ES421128 A1 ES 421128A1 ES 421128 A ES421128 A ES 421128A ES 421128 A ES421128 A ES 421128A ES 421128 A1 ES421128 A1 ES 421128A1
- Authority
- ES
- Spain
- Prior art keywords
- shield
- group
- support beams
- support
- cutting head
- 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
Links
- 238000010276 construction Methods 0.000 abstract 1
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
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
- E21D9/0879—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722259249 DE2259249C3 (de) | 1972-12-04 | Schildvortriebsmaschine |
Publications (1)
Publication Number | Publication Date |
---|---|
ES421128A1 true ES421128A1 (es) | 1976-04-16 |
Family
ID=5863437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES421128A Expired ES421128A1 (es) | 1972-12-04 | 1973-12-04 | Perfeccionamientos en maquinas de avance frontal por escu- do para la construccion de tuneles. |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT329621B (he) |
BE (1) | BE801222A (he) |
CH (1) | CH568472A5 (he) |
ES (1) | ES421128A1 (he) |
FR (1) | FR2209012B1 (he) |
GB (1) | GB1450116A (he) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2736398C2 (de) * | 1977-08-12 | 1985-11-21 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Steuervorrichtung für einen Messerschild |
DE4002669A1 (de) * | 1990-01-30 | 1991-08-01 | Walbroehl H T | Selbstschreitende stuetz- und gleitschaltung zum einbringen einer ortbetonauskleidung |
-
1973
- 1973-05-17 FR FR7317928A patent/FR2209012B1/fr not_active Expired
- 1973-06-07 CH CH827773A patent/CH568472A5/xx not_active IP Right Cessation
- 1973-06-13 AT AT517873A patent/AT329621B/de not_active IP Right Cessation
- 1973-06-21 BE BE132527A patent/BE801222A/xx not_active IP Right Cessation
- 1973-12-03 GB GB5587073A patent/GB1450116A/en not_active Expired
- 1973-12-04 ES ES421128A patent/ES421128A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1450116A (en) | 1976-09-22 |
FR2209012A1 (he) | 1974-06-28 |
FR2209012B1 (he) | 1980-07-25 |
BE801222A (fr) | 1973-10-15 |
DE2259249B2 (de) | 1977-06-02 |
ATA517873A (de) | 1975-08-15 |
CH568472A5 (he) | 1975-10-31 |
AT329621B (de) | 1976-05-25 |
DE2259249A1 (de) | 1974-06-06 |
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