BE499169A - - Google Patents
Info
- Publication number
- BE499169A BE499169A BE499169DA BE499169A BE 499169 A BE499169 A BE 499169A BE 499169D A BE499169D A BE 499169DA BE 499169 A BE499169 A BE 499169A
- Authority
- BE
- Belgium
- Prior art keywords
- clamp
- prop
- outer element
- collar
- clamping collar
- Prior art date
Links
- 238000009413 insulation Methods 0.000 claims description 7
- 238000005065 mining Methods 0.000 claims description 5
- 210000000078 claw Anatomy 0.000 claims description 3
- 238000009422 external insulation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 3
- 210000002683 foot Anatomy 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000003466 welding Methods 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
- E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
- E21D15/325—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring by a clamping ring
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 |
|---|---|
| BE499169A true BE499169A (OSRAM) |
Family
ID=141640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE499169D BE499169A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE499169A (OSRAM) |
-
0
- BE BE499169D patent/BE499169A/fr unknown
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