BE401790A - - Google Patents
Info
- Publication number
- BE401790A BE401790A BE401790DA BE401790A BE 401790 A BE401790 A BE 401790A BE 401790D A BE401790D A BE 401790DA BE 401790 A BE401790 A BE 401790A
- Authority
- BE
- Belgium
- Prior art keywords
- wedge
- stone
- tool
- interchangeable
- astellae
- Prior art date
Links
- 239000004575 stone Substances 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/04—Other methods or devices for dislodging with or without loading by devices with parts pressed mechanically against the wall of a borehole or a slit
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE401790A true BE401790A (enrdf_load_stackoverflow) |
Family
ID=67656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE401790D BE401790A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE401790A (enrdf_load_stackoverflow) |
-
0
- BE BE401790D patent/BE401790A/fr unknown
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