BE553945A - - Google Patents
Info
- Publication number
- BE553945A BE553945A BE553945DA BE553945A BE 553945 A BE553945 A BE 553945A BE 553945D A BE553945D A BE 553945DA BE 553945 A BE553945 A BE 553945A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- clamping elements
- mine prop
- clamping
- mine
- Prior art date
Links
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
-
- 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
- E21D15/58—Devices for setting props or chocks
- E21D15/584—Devices for setting props or chocks in which a series of similarly shaped props obtain an almost equal load capacity by removable devices
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 |
|---|---|
| BE553945A true BE553945A (en(2012)) |
Family
ID=178564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE553945D BE553945A (en(2012)) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE553945A (en(2012)) |
-
0
- BE BE553945D patent/BE553945A/fr unknown
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