BE504908A - - Google Patents
Info
- Publication number
- BE504908A BE504908A BE504908DA BE504908A BE 504908 A BE504908 A BE 504908A BE 504908D A BE504908D A BE 504908DA BE 504908 A BE504908 A BE 504908A
- Authority
- BE
- Belgium
- Prior art keywords
- sliding
- frame
- pressure
- desc
- screws
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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)
- Sealing With Elastic Sealing Lips (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504908A true BE504908A (OSRAM) |
Family
ID=145601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504908D BE504908A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE504908A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE973030C (de) * | 1953-11-25 | 1959-11-19 | Thyssen Huette Ag | Zerlegbares Fussstueck eines Ausbaurahmens |
-
0
- BE BE504908D patent/BE504908A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE973030C (de) * | 1953-11-25 | 1959-11-19 | Thyssen Huette Ag | Zerlegbares Fussstueck eines Ausbaurahmens |
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