BE423396A - - Google Patents
Info
- Publication number
- BE423396A BE423396A BE423396DA BE423396A BE 423396 A BE423396 A BE 423396A BE 423396D A BE423396D A BE 423396DA BE 423396 A BE423396 A BE 423396A
- Authority
- BE
- Belgium
- Prior art keywords
- female element
- female
- telescopic
- integral
- mine frame
- Prior art date
Links
- 239000000126 substance Substances 0.000 claims 1
- 238000005096 rolling process 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)
- Supports For Pipes And Cables (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE423396A true BE423396A (enEXAMPLES) |
Family
ID=84856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE423396D BE423396A (enEXAMPLES) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE423396A (enEXAMPLES) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE976721C (de) * | 1942-11-05 | 1964-03-19 | Karl Maria Dipl-Ber Groetschel | Nachgiebiger eiserner Grubenausbau |
-
0
- BE BE423396D patent/BE423396A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE976721C (de) * | 1942-11-05 | 1964-03-19 | Karl Maria Dipl-Ber Groetschel | Nachgiebiger eiserner Grubenausbau |
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