DE235146C - - Google Patents
Info
- Publication number
- DE235146C DE235146C DENDAT235146D DE235146DA DE235146C DE 235146 C DE235146 C DE 235146C DE NDAT235146 D DENDAT235146 D DE NDAT235146D DE 235146D A DE235146D A DE 235146DA DE 235146 C DE235146 C DE 235146C
- Authority
- DE
- Germany
- Prior art keywords
- drill head
- chisels
- drill
- rock
- tunnel boring
- 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
- 239000011435 rock Substances 0.000 claims description 9
- 210000000779 thoracic wall Anatomy 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 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
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 |
|---|---|
| DE235146C true DE235146C (US20080094685A1-20080424-C00004.png) |
Family
ID=494952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT235146D Active DE235146C (US20080094685A1-20080424-C00004.png) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE235146C (US20080094685A1-20080424-C00004.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0066156A1 (en) * | 1981-05-20 | 1982-12-08 | Oy Tampella Ab | Method for cutting a tunnel in rock by means of a rock drilling machine |
-
0
- DE DENDAT235146D patent/DE235146C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0066156A1 (en) * | 1981-05-20 | 1982-12-08 | Oy Tampella Ab | Method for cutting a tunnel in rock by means of a rock drilling machine |
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