BE474431A - - Google Patents
Info
- Publication number
- BE474431A BE474431A BE474431DA BE474431A BE 474431 A BE474431 A BE 474431A BE 474431D A BE474431D A BE 474431DA BE 474431 A BE474431 A BE 474431A
- Authority
- BE
- Belgium
- Prior art keywords
- axis
- prop
- lever
- articulated
- levers
- Prior art date
Links
- 230000000284 resting effect Effects 0.000 claims description 3
- 241001310494 Ammodytes marinus Species 0.000 claims 1
- 238000010276 construction Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 3
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 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
-
- 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
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
- E04G25/066—Shores or struts; Chocks telescopic with parts held together by positive means by a wedge
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Clamps And Clips (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474431A true BE474431A (enrdf_load_stackoverflow) |
Family
ID=123444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474431D BE474431A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE474431A (enrdf_load_stackoverflow) |
-
0
- BE BE474431D patent/BE474431A/fr unknown
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