DE192209C - - Google Patents
Info
- Publication number
- DE192209C DE192209C DENDAT192209D DE192209DA DE192209C DE 192209 C DE192209 C DE 192209C DE NDAT192209 D DENDAT192209 D DE NDAT192209D DE 192209D A DE192209D A DE 192209DA DE 192209 C DE192209 C DE 192209C
- Authority
- DE
- Germany
- Prior art keywords
- suspension
- recognizable
- nut
- correct
- drilling
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
- E21B1/04—Devices for reversing the movement of the rod or cable at the surface
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE192209C true DE192209C (cs) |
Family
ID=455542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT192209D Active DE192209C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE192209C (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378134A (en) * | 1992-08-20 | 1995-01-03 | Acb | Press for forming an article of composite material comprising reinforcing fibers in a polymer matrix |
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0
- DE DENDAT192209D patent/DE192209C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378134A (en) * | 1992-08-20 | 1995-01-03 | Acb | Press for forming an article of composite material comprising reinforcing fibers in a polymer matrix |
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