DE241928C - - Google Patents
Info
- Publication number
- DE241928C DE241928C DENDAT241928D DE241928DA DE241928C DE 241928 C DE241928 C DE 241928C DE NDAT241928 D DENDAT241928 D DE NDAT241928D DE 241928D A DE241928D A DE 241928DA DE 241928 C DE241928 C DE 241928C
- Authority
- DE
- Germany
- Prior art keywords
- rotary hammer
- suspended
- hammer
- cross members
- slide guide
- 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
- 239000000969 carrier Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
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)
Publications (1)
Publication Number | Publication Date |
---|---|
DE241928C true DE241928C (enrdf_load_stackoverflow) |
Family
ID=501187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT241928D Active DE241928C (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE241928C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT241928D patent/DE241928C/de active Active
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