DE253290C - - Google Patents
Info
- Publication number
- DE253290C DE253290C DENDAT253290D DE253290DA DE253290C DE 253290 C DE253290 C DE 253290C DE NDAT253290 D DENDAT253290 D DE NDAT253290D DE 253290D A DE253290D A DE 253290DA DE 253290 C DE253290 C DE 253290C
- Authority
- DE
- Germany
- Prior art keywords
- drill
- channels
- flushing
- rotation
- main
- 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
- 238000011010 flushing procedure Methods 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
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)
- Treatment Of Fiber Materials (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE253290C true DE253290C (show.php) |
Family
ID=511582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT253290D Active DE253290C (show.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE253290C (show.php) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1017114B (de) * | 1956-06-05 | 1957-10-10 | Ludwig Kissling Fa | Bohrstange mit abnehmbarer Bohrkrone |
| DE1027608B (de) * | 1952-09-06 | 1958-04-10 | Boehler & Co Ag Geb | Bohrkrone mit in Nuten an der Bohrermantelflaeche muendenden Spuelkanaelen |
| EP0141117A1 (de) * | 1983-08-31 | 1985-05-15 | Schwarz, Günter | Verfahren zum Bohren von Gesteins- und Kiesböden sowie Gesteinsbohrer zur Ausführung des Verfahrens |
-
0
- DE DENDAT253290D patent/DE253290C/de active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1027608B (de) * | 1952-09-06 | 1958-04-10 | Boehler & Co Ag Geb | Bohrkrone mit in Nuten an der Bohrermantelflaeche muendenden Spuelkanaelen |
| DE1017114B (de) * | 1956-06-05 | 1957-10-10 | Ludwig Kissling Fa | Bohrstange mit abnehmbarer Bohrkrone |
| EP0141117A1 (de) * | 1983-08-31 | 1985-05-15 | Schwarz, Günter | Verfahren zum Bohren von Gesteins- und Kiesböden sowie Gesteinsbohrer zur Ausführung des Verfahrens |
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