BE510777A - - Google Patents
Info
- Publication number
- BE510777A BE510777A BE510777DA BE510777A BE 510777 A BE510777 A BE 510777A BE 510777D A BE510777D A BE 510777DA BE 510777 A BE510777 A BE 510777A
- Authority
- BE
- Belgium
- Prior art keywords
- blades
- barrel
- parts
- lock
- blade
- Prior art date
Links
- 239000000126 substance Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 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
- E21D15/38—Telescopic props with parts held relatively to each other by friction or gripping with longitudinally-divided upper or lower prop parts, e.g. interfitting laminations
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)
- Braking Arrangements (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE510777A true BE510777A (enrdf_load_stackoverflow) |
Family
ID=149765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE510777D BE510777A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE510777A (enrdf_load_stackoverflow) |
-
0
- BE BE510777D patent/BE510777A/fr unknown
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