DE124204C - - Google Patents
Info
- Publication number
- DE124204C DE124204C DENDAT124204D DE124204DA DE124204C DE 124204 C DE124204 C DE 124204C DE NDAT124204 D DENDAT124204 D DE NDAT124204D DE 124204D A DE124204D A DE 124204DA DE 124204 C DE124204 C DE 124204C
- Authority
- DE
- Germany
- Prior art keywords
- groups
- chain
- tunnels
- drill
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005553 drilling Methods 0.000 claims 1
- 230000000750 progressive effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1053—Making by using boring or cutting machines for making a slit along the perimeter of the tunnel profile, the remaining core being removed subsequently, e.g. by blasting
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE124204C true DE124204C (enrdf_load_stackoverflow) |
Family
ID=393010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT124204D Active DE124204C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE124204C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT124204D patent/DE124204C/de active Active
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