NL99248C - - Google Patents
Info
- Publication number
- NL99248C NL99248C NL99248DA NL99248C NL 99248 C NL99248 C NL 99248C NL 99248D A NL99248D A NL 99248DA NL 99248 C NL99248 C NL 99248C
- Authority
- NL
- Netherlands
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
-
- 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
- E21D11/20—Special cross- sections, e.g. corrugated
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL99248C true NL99248C (cs) |
Family
ID=1839797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL99248D NL99248C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL99248C (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114386A (en) * | 1976-05-28 | 1978-09-19 | Ruhrkohle, A.G. | Method and device for removing resilient gallery lining frames in mining and tunnelling which consist of a number of section segments inserted one into another in a dissimilar manner |
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0
- NL NL99248D patent/NL99248C/xx active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114386A (en) * | 1976-05-28 | 1978-09-19 | Ruhrkohle, A.G. | Method and device for removing resilient gallery lining frames in mining and tunnelling which consist of a number of section segments inserted one into another in a dissimilar manner |
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