FR2151486A6 - - Google Patents
Info
- Publication number
- FR2151486A6 FR2151486A6 FR7131380A FR7131380A FR2151486A6 FR 2151486 A6 FR2151486 A6 FR 2151486A6 FR 7131380 A FR7131380 A FR 7131380A FR 7131380 A FR7131380 A FR 7131380A FR 2151486 A6 FR2151486 A6 FR 2151486A6
- 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
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/34—Joints between vertical props and horizontal top bars
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7131380A FR2151486A6 (https=) | 1971-08-30 | 1971-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7131380A FR2151486A6 (https=) | 1971-08-30 | 1971-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2151486A6 true FR2151486A6 (https=) | 1973-04-20 |
Family
ID=9082331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7131380A Expired FR2151486A6 (https=) | 1971-08-30 | 1971-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2151486A6 (https=) |
-
1971
- 1971-08-30 FR FR7131380A patent/FR2151486A6/fr not_active Expired