FR2406064B1 - - Google Patents
Info
- Publication number
- FR2406064B1 FR2406064B1 FR7821250A FR7821250A FR2406064B1 FR 2406064 B1 FR2406064 B1 FR 2406064B1 FR 7821250 A FR7821250 A FR 7821250A FR 7821250 A FR7821250 A FR 7821250A FR 2406064 B1 FR2406064 B1 FR 2406064B1
- 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.)
- Expired
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)
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 FR2406064A1 (fr) | 1979-05-11 |
FR2406064B1 true 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) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1158588A (en) * | 1965-12-17 | 1969-07-16 | Zeta Nelly Jacqueline Colley | Improvements in Tunnelling apparatus |
JPS5715278B2 (enrdf_load_stackoverflow) * | 1973-07-14 | 1982-03-29 | ||
US3861748A (en) * | 1974-02-08 | 1975-01-21 | Robbins Co | Earth boring machine and method |
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 |
DE2615264C2 (de) * | 1976-04-08 | 1985-01-03 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Richtungssteuerungseinrichtung für eine Vortriebseinrichtung für das Auffahren von Tunneln, Stollen u.dgl. |
-
1977
- 1977-10-15 DE DE19772746487 patent/DE2746487C2/de not_active Expired
-
1978
- 1978-06-29 AT AT475378A patent/AT353825B/de not_active IP Right Cessation
- 1978-07-18 FR FR7821250A patent/FR2406064A1/fr active Granted
- 1978-10-09 GB GB7839874A patent/GB2009814B/en not_active Expired
- 1978-10-13 JP JP12522778A patent/JPS5477428A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2406064A1 (fr) | 1979-05-11 |
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 |
JPS5477428A (en) | 1979-06-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |