BE492245A - - Google Patents
Info
- Publication number
- BE492245A BE492245A BE492245DA BE492245A BE 492245 A BE492245 A BE 492245A BE 492245D A BE492245D A BE 492245DA BE 492245 A BE492245 A BE 492245A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/26—Methods of surface mining; Layouts therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
- E21F13/047—Transport of mined material in gravity inclines; in staple or inclined shafts comprising helically running channels
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)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG176A DE844733C (de) | 1949-10-27 | 1949-10-27 | Verfahren zum Zutagefoerdern des gewonnenen Gutes im Bergbau |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE492245A true BE492245A (es) |
Family
ID=7115681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE492245D BE492245A (es) | 1949-10-27 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE492245A (es) |
| DE (1) | DE844733C (es) |
-
0
- BE BE492245D patent/BE492245A/xx unknown
-
1949
- 1949-10-27 DE DEG176A patent/DE844733C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE844733C (de) | 1952-07-24 |