BE466337A - - Google Patents
Info
- Publication number
- BE466337A BE466337A BE466337DA BE466337A BE 466337 A BE466337 A BE 466337A BE 466337D A BE466337D A BE 466337DA BE 466337 A BE466337 A BE 466337A
- Authority
- BE
- Belgium
- Prior art keywords
- locking device
- wedge
- barrel
- orientable
- clamping
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Clamps And Clips (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE466337A true BE466337A (cs) |
Family
ID=117667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE466337D BE466337A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE466337A (cs) |
-
0
- BE BE466337D patent/BE466337A/fr unknown
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