CA2024423C - Installation de creusage et d'etayage des parois des tunnels pendant l'excavation - Google Patents
Installation de creusage et d'etayage des parois des tunnels pendant l'excavationInfo
- Publication number
- CA2024423C CA2024423C CA 2024423 CA2024423A CA2024423C CA 2024423 C CA2024423 C CA 2024423C CA 2024423 CA2024423 CA 2024423 CA 2024423 A CA2024423 A CA 2024423A CA 2024423 C CA2024423 C CA 2024423C
- Authority
- CA
- Canada
- Prior art keywords
- ring
- plant
- tunnel
- excavation
- cylinders
- 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 - Lifetime
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2024423 CA2024423C (fr) | 1990-08-31 | 1990-08-31 | Installation de creusage et d'etayage des parois des tunnels pendant l'excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2024423 CA2024423C (fr) | 1990-08-31 | 1990-08-31 | Installation de creusage et d'etayage des parois des tunnels pendant l'excavation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2024423A1 CA2024423A1 (fr) | 1992-03-01 |
| CA2024423C true CA2024423C (fr) | 1997-10-28 |
Family
ID=4145868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2024423 Expired - Lifetime CA2024423C (fr) | 1990-08-31 | 1990-08-31 | Installation de creusage et d'etayage des parois des tunnels pendant l'excavation |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2024423C (fr) |
-
1990
- 1990-08-31 CA CA 2024423 patent/CA2024423C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2024423A1 (fr) | 1992-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |