BE522293A - - Google Patents
Info
- Publication number
- BE522293A BE522293A BE522293DA BE522293A BE 522293 A BE522293 A BE 522293A BE 522293D A BE522293D A BE 522293DA BE 522293 A BE522293 A BE 522293A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- pressure
- friction
- mine
- mounting
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 210000005069 ears Anatomy 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 2
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating 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
- E21D15/58—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)
- Mutual Connection Of Rods And Tubes (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE522293A true BE522293A (enrdf_load_html_response) |
Family
ID=157608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE522293D BE522293A (enrdf_load_html_response) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE522293A (enrdf_load_html_response) |
-
0
- BE BE522293D patent/BE522293A/fr unknown
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