BE558943A - - Google Patents
Info
- Publication number
- BE558943A BE558943A BE558943DA BE558943A BE 558943 A BE558943 A BE 558943A BE 558943D A BE558943D A BE 558943DA BE 558943 A BE558943 A BE 558943A
- Authority
- BE
- Belgium
- Prior art keywords
- lock
- intermediate element
- cylinder
- clamping
- spring
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000000926 separation method 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
- E21D15/58—Devices for setting props or chocks
- E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
- E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
- E21D15/588—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded the lock also being activated
-
- 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
- E21D15/581—Devices for setting props or chocks in which the props are pre- loaded
- E21D15/5817—Devices for setting props or chocks in which the props are pre- loaded in which the lock is also activated
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 |
|---|---|
| BE558943A true BE558943A (enrdf_load_html_response) |
Family
ID=181826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE558943D BE558943A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE558943A (enrdf_load_html_response) |
-
0
- BE BE558943D patent/BE558943A/fr unknown
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