DE138301C - - Google Patents
Info
- Publication number
- DE138301C DE138301C DENDAT138301D DE138301DA DE138301C DE 138301 C DE138301 C DE 138301C DE NDAT138301 D DENDAT138301 D DE NDAT138301D DE 138301D A DE138301D A DE 138301DA DE 138301 C DE138301 C DE 138301C
- Authority
- DE
- Germany
- Prior art keywords
- chisel
- cutting edge
- stone
- hole
- approaches
- 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
- 238000013459 approach Methods 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 239000011435 rock Substances 0.000 description 3
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE138301C true DE138301C (cg-RX-API-DMAC7.html) |
Family
ID=406123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT138301D Active DE138301C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE138301C (cg-RX-API-DMAC7.html) |
-
0
- DE DENDAT138301D patent/DE138301C/de active Active
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