DE3971C - Earth auger - Google Patents
Earth augerInfo
- Publication number
- DE3971C DE3971C DENDAT3971D DE3971DA DE3971C DE 3971 C DE3971 C DE 3971C DE NDAT3971 D DENDAT3971 D DE NDAT3971D DE 3971D A DE3971D A DE 3971DA DE 3971 C DE3971 C DE 3971C
- Authority
- DE
- Germany
- Prior art keywords
- earth auger
- pipe
- drill
- auger
- earth
- 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
- 239000004927 clay Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
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)
Description
1878.1878.
Klasse 5.Class 5.
H. GÖTZE in NEUMÜNSTER (Holstein). Erdbohrer. H. GÖTZE in NEUMÜNSTER (Holstein). Earth auger.
Patentirt im Deutschen Reiche vom 31. Januar 1878 ab.Patented in the German Empire on January 31, 1878.
In beiliegender Zeichnung bezeichnet b das Rohr, worin der Bohrer befestigt ist, durch welches mittelst einer Druckpumpe die losgebohrte Sand- oder Thonschicht zwischen dem Bohrer und der Bohrwand herausgetrieben wird.In the accompanying drawing, b denotes the pipe in which the drill is attached, through which the loosened sand or clay layer is driven out between the drill and the drilling wall by means of a pressure pump.
C ist der Erdbohrer, welcher mit dem Rohr b fest verbunden wird. Sobald dieser Bohrer senkrecht auf einen Gegenstand gesetzt wird, geht er infolge der abgeschrägten Seiten / durch den Druck des auf ihm ruhenden Rohrs aus einander und schneidet oder schabt, indem das Rohr herum gedreht wird, das Loch reichlich so grofs als der Durchmesser des nachzubringenden Rohrs ist. Man braucht infolge dessen dieses Rohr nur nachsinken zu lassen, statt des sonst erforderlich werdenden schweren und zeitraubenden Rammens; sobald man das Bohrrohr b hochzieht, klappt der Bohrer zusammen. C is the auger, which is firmly connected to pipe b. As soon as this drill bit is placed perpendicularly on an object, it comes apart as a result of the bevelled sides / due to the pressure of the pipe resting on it and, by turning the pipe around, cuts or scrapes the hole about as large as the diameter of the pipe to be made later is. As a result, one only needs to let this pipe sink, instead of the heavy and time-consuming ramming that would otherwise be necessary; as soon as the drill pipe b is pulled up, the drill collapses.
Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.
■Ι'«!.■ Ι '«!.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3971C true DE3971C (en) |
Family
ID=282831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT3971D Active DE3971C (en) | Earth auger |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3971C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004674A2 (en) * | 1978-04-06 | 1979-10-17 | Ferdinand Panzer Gesellschaft m.b.h. | Drill bit for making bore holes in earth and rock |
-
0
- DE DENDAT3971D patent/DE3971C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004674A2 (en) * | 1978-04-06 | 1979-10-17 | Ferdinand Panzer Gesellschaft m.b.h. | Drill bit for making bore holes in earth and rock |
| EP0004674A3 (en) * | 1978-04-06 | 1979-10-31 | Ferdinand Panzer Gesellschaft m.b.h. | Drill bit for making bore holes in earth and rock |
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