IT500003A - - Google Patents
Info
- Publication number
- IT500003A IT500003A IT500003DA IT500003A IT 500003 A IT500003 A IT 500003A IT 500003D A IT500003D A IT 500003DA IT 500003 A IT500003 A IT 500003A
- Authority
- IT
- Italy
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
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1008457T | 1950-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT500003A true IT500003A (it) |
Family
ID=9567355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT500003D IT500003A (it) | 1950-01-17 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1008457A (it) |
| IT (1) | IT500003A (it) |
-
0
- IT IT500003D patent/IT500003A/it unknown
-
1950
- 1950-01-17 FR FR1008457D patent/FR1008457A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1008457A (fr) | 1952-05-19 |