DE273409C - - Google Patents
Info
- Publication number
- DE273409C DE273409C DENDAT273409D DE273409DA DE273409C DE 273409 C DE273409 C DE 273409C DE NDAT273409 D DENDAT273409 D DE NDAT273409D DE 273409D A DE273409D A DE 273409DA DE 273409 C DE273409 C DE 273409C
- Authority
- DE
- Germany
- Prior art keywords
- boreholes
- widenings
- gravity
- created
- production
- 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
- 238000000034 method Methods 0.000 claims 2
- 230000008014 freezing Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/10—Preparation of the ground
- E21D1/12—Preparation of the ground by freezing
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE273409C true DE273409C (OSRAM) |
Family
ID=529865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT273409D Active DE273409C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE273409C (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11486789B2 (en) | 2018-04-30 | 2022-11-01 | Tna Australia Pty Limited | Bag engaging device |
-
0
- DE DENDAT273409D patent/DE273409C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11486789B2 (en) | 2018-04-30 | 2022-11-01 | Tna Australia Pty Limited | Bag engaging device |
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