BE509749A - - Google Patents
Info
- Publication number
- BE509749A BE509749A BE509749DA BE509749A BE 509749 A BE509749 A BE 509749A BE 509749D A BE509749D A BE 509749DA BE 509749 A BE509749 A BE 509749A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- key
- parts
- rolling
- transverse
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 claims description 26
- 230000033001 locomotion Effects 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 3
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007665 sagging Methods 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
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted
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)
- Pivots And Pivotal Connections (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE509749A true BE509749A (enrdf_load_html_response) |
Family
ID=149072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509749D BE509749A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE509749A (enrdf_load_html_response) |
-
0
- BE BE509749D patent/BE509749A/fr unknown
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