BE662728A - - Google Patents
Info
- Publication number
- BE662728A BE662728A BE662728DA BE662728A BE 662728 A BE662728 A BE 662728A BE 662728D A BE662728D A BE 662728DA BE 662728 A BE662728 A BE 662728A
- Authority
- BE
- Belgium
- Prior art keywords
- cylinder
- piston
- boss
- jack
- jack according
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims description 34
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 17
- 239000004567 concrete Substances 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000011513 prestressed concrete Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
- B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
- B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
- B66F1/08—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being operated by fluid pressure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/121—Construction of stressing jacks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Actuator (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE662728A true BE662728A (enrdf_load_stackoverflow) |
Family
ID=207418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE662728D BE662728A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE662728A (enrdf_load_stackoverflow) |
-
0
- BE BE662728D patent/BE662728A/fr unknown
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