BE522294A - - Google Patents
Info
- Publication number
- BE522294A BE522294A BE522294DA BE522294A BE 522294 A BE522294 A BE 522294A BE 522294D A BE522294D A BE 522294DA BE 522294 A BE522294 A BE 522294A
- Authority
- BE
- Belgium
- Prior art keywords
- wedge
- friction
- rod
- extendable
- locking device
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 2
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000010959 steel 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
- E21D15/58—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 |
|---|---|
| BE522294A true BE522294A (OSRAM) |
Family
ID=157609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE522294D BE522294A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE522294A (OSRAM) |
-
0
- BE BE522294D patent/BE522294A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2518640A1 (fr) | Etancon telescopique hydraulique, en particulier pour soutenement marchant souterrain, et surtout pour pile-bouclier de soutenement | |
| BE415622A (fr) | étançon pour mine | |
| BE522294A (OSRAM) | ||
| EP0525142B1 (fr) | Dispositif d'ecartement ou de levage | |
| BE897190A (fr) | Dispositif de verrouillage pour un outil comportant des parties pouvant coulisser de maniere telescopique | |
| BE534653A (OSRAM) | ||
| BE522293A (OSRAM) | ||
| BE522665A (OSRAM) | ||
| BE509011A (OSRAM) | ||
| BE512580A (OSRAM) | ||
| BE484780A (OSRAM) | ||
| BE544937A (OSRAM) | ||
| BE459378A (fr) | Etançon metallique | |
| CH170707A (fr) | Etai pour travaux de construction et de terrassement. | |
| BE491569A (OSRAM) | ||
| CH620009A5 (en) | Anchoring method and device | |
| BE491087A (OSRAM) | ||
| WO2013153289A1 (fr) | Dispositif d'ouverture de porte par traction | |
| BE365330A (OSRAM) | ||
| BE389137A (OSRAM) | ||
| BE467026A (OSRAM) | ||
| BE487243A (OSRAM) | ||
| BE559152A (OSRAM) | ||
| BE516408A (OSRAM) | ||
| BE554189A (OSRAM) |