DE308943C - - Google Patents
Info
- Publication number
- DE308943C DE308943C DENDAT308943D DE308943DA DE308943C DE 308943 C DE308943 C DE 308943C DE NDAT308943 D DENDAT308943 D DE NDAT308943D DE 308943D A DE308943D A DE 308943DA DE 308943 C DE308943 C DE 308943C
- Authority
- DE
- Germany
- Prior art keywords
- rings
- borehole
- pipe
- pressure
- flexible
- 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 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/12—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid
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)
- Lining Or Joining Of Plastics Or The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE308943C true DE308943C (enrdf_load_stackoverflow) |
Family
ID=562155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT308943D Active DE308943C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE308943C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090200304A1 (en) * | 2008-02-08 | 2009-08-13 | Wendle Todd B | Integrated container protection tab |
-
0
- DE DENDAT308943D patent/DE308943C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090200304A1 (en) * | 2008-02-08 | 2009-08-13 | Wendle Todd B | Integrated container protection tab |
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