BE496361A - - Google Patents
Info
- Publication number
- BE496361A BE496361A BE496361DA BE496361A BE 496361 A BE496361 A BE 496361A BE 496361D A BE496361D A BE 496361DA BE 496361 A BE496361 A BE 496361A
- Authority
- BE
- Belgium
- Prior art keywords
- articulation
- levers
- prop
- wedge
- articulated
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000005065 mining Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000284 resting effect Effects 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 1
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000126 substance 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
- E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted
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)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE496361A true BE496361A (sv) |
Family
ID=139610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496361D BE496361A (sv) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE496361A (sv) |
-
0
- BE BE496361D patent/BE496361A/fr unknown
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