BE532796A - - Google Patents
Info
- Publication number
- BE532796A BE532796A BE532796DA BE532796A BE 532796 A BE532796 A BE 532796A BE 532796D A BE532796D A BE 532796DA BE 532796 A BE532796 A BE 532796A
- Authority
- BE
- Belgium
- Prior art keywords
- cylinders
- piston
- support
- prop
- liquid
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 description 4
- 238000007665 sagging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE532796A true BE532796A (enrdf_load_html_response) |
Family
ID=164695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE532796D BE532796A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE532796A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3371901A (en) * | 1963-08-29 | 1968-03-05 | Karl M. Groetschel | Support |
-
0
- BE BE532796D patent/BE532796A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3371901A (en) * | 1963-08-29 | 1968-03-05 | Karl M. Groetschel | Support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1165933B1 (fr) | Dispositif d'obturation d'un puits de forage | |
| FR2897098A1 (fr) | Dispositif de liaison pour colonne de forage | |
| NO319635B1 (no) | Anordning for sammenkopling av ror. | |
| FR2958966A1 (fr) | Procede et dispositif d'obturation d'un puits au moyen d'un bouchon expansible, bouchon pour la mise en oeuvre du procede, et outil extracteur adapte pour le retirer | |
| FR2509831A1 (fr) | Commande de remise en position pour soutenement a etancons hydrauliques, ainsi qu'une vanne de non-retour a commande hydraulique | |
| FR2479322A1 (enrdf_load_html_response) | ||
| NO148288B (no) | Mekanisk holdeanordning for en hydraulisk donkraft | |
| BE532796A (enrdf_load_html_response) | ||
| FR2927650A1 (fr) | Procede et dispositif de tubage d'une portion de puits foree | |
| CA1301637C (fr) | Systeme d'accrochage et de tensionement a distance d'un element allonge | |
| CN108425693A (zh) | 一种机械式恒阻单体支柱连续升柱预紧装置及方法 | |
| BE493811A (enrdf_load_html_response) | ||
| FR2640897A1 (enrdf_load_html_response) | ||
| EP3061871B1 (fr) | Structure gravitaire destinee a une construction maritime de genie civil et procede de fabrication associe | |
| FR2903435A1 (fr) | Dispositif de mesure de resistance de micropieu | |
| FR2524030A1 (fr) | Tete d'ancrage pour tirant composite precomprime a raccourcissement progressif | |
| CN220248117U (zh) | 一种围岩体变形的可变预应力支护装置 | |
| BE494572A (enrdf_load_html_response) | ||
| CN205572306U (zh) | 泵头压盖取出装置 | |
| EP1797245B1 (fr) | Plate-forme d'exploitation en mer | |
| FR2553687A1 (fr) | Machine d'intervention en charge sur conduites sous pression | |
| FR3148733A1 (fr) | Outil et procédé d’accostage et de vissage d’un écrou et de mise en tension d’une vis | |
| CN105221102B (zh) | 一种环空底部加压器 | |
| BE520223A (enrdf_load_html_response) | ||
| BE529204A (enrdf_load_html_response) |