BE496645A - - Google Patents
Info
- Publication number
- BE496645A BE496645A BE496645DA BE496645A BE 496645 A BE496645 A BE 496645A BE 496645D A BE496645D A BE 496645DA BE 496645 A BE496645 A BE 496645A
- Authority
- BE
- Belgium
- Prior art keywords
- ring
- clamping ring
- wedge
- mining
- prop
- Prior art date
Links
- 238000005065 mining Methods 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035515 penetration 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
- E21D15/32—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 |
|---|---|
| BE496645A true BE496645A (enrdf_load_stackoverflow) |
Family
ID=139807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496645D BE496645A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE496645A (enrdf_load_stackoverflow) |
-
0
- BE BE496645D patent/BE496645A/fr unknown
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