BE483764A - - Google Patents
Info
- Publication number
- BE483764A BE483764A BE483764DA BE483764A BE 483764 A BE483764 A BE 483764A BE 483764D A BE483764D A BE 483764DA BE 483764 A BE483764 A BE 483764A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- friction
- profile
- lock
- members
- Prior art date
Links
- 230000033001 locomotion Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 229920001342 Bakelite® Polymers 0.000 claims description 5
- 239000004637 bakelite Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000004904 shortening Methods 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 210000000056 organ Anatomy 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005303 weighing 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
- E21D15/36—Telescopic props with parts held relatively to each other by friction or gripping by a tiltable collar surrounding one or both parts
-
- 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 |
|---|---|
| BE483764A true BE483764A (de) |
Family
ID=130087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE483764D BE483764A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE483764A (de) |
-
0
- BE BE483764D patent/BE483764A/fr unknown
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