BE553771A - - Google Patents
Info
- Publication number
- BE553771A BE553771A BE553771DA BE553771A BE 553771 A BE553771 A BE 553771A BE 553771D A BE553771D A BE 553771DA BE 553771 A BE553771 A BE 553771A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- cylinder
- pressurized fluid
- oil
- piston
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims description 36
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000005489 elastic deformation Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 claims 1
- 108700017836 Prophet of Pit-1 Proteins 0.000 claims 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture 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
- E21D15/585—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
-
- 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
- E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
- E21D15/325—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring by a clamping ring
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)
- Actuator (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE553771A true BE553771A (enrdf_load_html_response) |
Family
ID=178447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE553771D BE553771A (enrdf_load_html_response) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE553771A (enrdf_load_html_response) |
-
0
- BE BE553771D patent/BE553771A/fr unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2588325A1 (fr) | Reservoir de pression | |
EP0883731B1 (fr) | Carottier | |
FR2700601A1 (fr) | Dispositif de remplissage et de vidange d'une bouteille de gaz. | |
BE553771A (enrdf_load_html_response) | ||
FR2779186A1 (fr) | Structure de pompe a air de bicyclette | |
EP0494019B1 (fr) | Dispositif d'éjection hydraulique par poussoirs avec système de ravalage pneumatique | |
FR2634817A1 (fr) | Dispositif pour commander des moyens hydrauliques d'actionnement dans une fleche de forage de roche et une structure de fleche analogue | |
EP0018464B1 (fr) | Dispositif de commande du gonflage d'un joint d'étanchéité placé entre deux tubes coulissant l'un dans l'autre | |
FR2776305A1 (fr) | Porte-lance comportant une tete de serrage multifonctions | |
FR2465110A1 (fr) | Verin a simple effet, a verrouillage hydraulique de position | |
FR2483018A1 (fr) | Pompe de fond a double effet et systeme et procede de pompage d'un puits | |
CA2335897C (fr) | Systeme pour soulever et deplacer une charge | |
EP0709614B1 (fr) | Dispositif de perçage d'un corps cylindrique d'un amortisseur de véhicule automobile | |
FR2696436A1 (fr) | Procédé et dispositif de perforation d'un réservoir. | |
FR2522635A1 (fr) | Verin hydraulique pour soulever des vehicules automobiles ou, en general, des charges pouvant etre saisies par le cote | |
BE392134A (enrdf_load_html_response) | ||
FR2638153A1 (fr) | Dispositif de remplissage d'un reservoir de liquide comportant un orifice de trop-plein | |
FR2836221A1 (fr) | Dispositif portable de controle de la pression d'un ressort a gaz | |
BE462760A (enrdf_load_html_response) | ||
CH274446A (fr) | Transporteur à flèche articulée. | |
BE557774A (enrdf_load_html_response) | ||
FR2833546A1 (fr) | Dispositif hydraulique a verin telescopique basculant | |
FR2634257A1 (fr) | Verin a fluide telescopique a double effet | |
FR2819209A1 (fr) | Poincon hydraulique | |
BE554463A (enrdf_load_html_response) |