BE422947A - - Google Patents
Info
- Publication number
- BE422947A BE422947A BE422947DA BE422947A BE 422947 A BE422947 A BE 422947A BE 422947D A BE422947D A BE 422947DA BE 422947 A BE422947 A BE 422947A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- compression
- pieces
- wedge
- piece
- Prior art date
Links
- 230000006835 compression Effects 0.000 claims description 32
- 238000007906 compression Methods 0.000 claims description 32
- 230000033001 locomotion Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 235000000396 iron Nutrition 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 5
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 4
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001131 transforming effect 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)
- Mutual Connection Of Rods And Tubes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE422947A true BE422947A (de) |
Family
ID=84512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE422947D BE422947A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE422947A (de) |
-
0
- BE BE422947D patent/BE422947A/fr unknown
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