DE7800027U1 - Bodenbohrrakete mit druckluftantrieb - Google Patents
Bodenbohrrakete mit druckluftantriebInfo
- Publication number
- DE7800027U1 DE7800027U1 DE7800027U DE7800027U DE7800027U1 DE 7800027 U1 DE7800027 U1 DE 7800027U1 DE 7800027 U DE7800027 U DE 7800027U DE 7800027 U DE7800027 U DE 7800027U DE 7800027 U1 DE7800027 U1 DE 7800027U1
- Authority
- DE
- Germany
- Prior art keywords
- slide
- rocket
- compressed air
- chambers
- air
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 title claims description 7
- 239000002689 soil Substances 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
- E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole
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)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT790877 | 1977-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE7800027U1 true DE7800027U1 (de) | 1978-04-20 |
Family
ID=3600635
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE7800027U Expired DE7800027U1 (de) | 1977-11-04 | 1978-01-02 | Bodenbohrrakete mit druckluftantrieb |
| DE19782800050 Pending DE2800050A1 (de) | 1977-11-04 | 1978-01-02 | Bodenbohrrakete mit druckluftantrieb |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782800050 Pending DE2800050A1 (de) | 1977-11-04 | 1978-01-02 | Bodenbohrrakete mit druckluftantrieb |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE861182A (fr) |
| DE (2) | DE7800027U1 (fr) |
| ES (1) | ES466320A1 (fr) |
| FR (1) | FR2408016A1 (fr) |
| IT (1) | IT1091744B (fr) |
| NL (1) | NL7714592A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1250619A1 (ru) * | 1984-03-06 | 1986-08-15 | Институт Горного Дела Со Ан Ссср | Пневматическое реверсивное устройство дл образовани скважин в грунте |
| CH680937A5 (fr) * | 1989-01-12 | 1992-12-15 | Terra Ag Tiefbautechnik | |
| US5172771A (en) * | 1990-11-06 | 1992-12-22 | Charles Machine Works, Inc. | Reversible impact-operated boring tool |
-
1977
- 1977-11-25 BE BE2056459A patent/BE861182A/xx unknown
- 1977-12-30 NL NL7714592A patent/NL7714592A/xx not_active Application Discontinuation
-
1978
- 1978-01-02 DE DE7800027U patent/DE7800027U1/de not_active Expired
- 1978-01-02 DE DE19782800050 patent/DE2800050A1/de active Pending
- 1978-01-09 FR FR7800451A patent/FR2408016A1/fr not_active Withdrawn
- 1978-01-11 IT IT19162/78A patent/IT1091744B/it active
- 1978-01-25 ES ES466320A patent/ES466320A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1091744B (it) | 1985-07-06 |
| NL7714592A (nl) | 1979-05-08 |
| BE861182A (nl) | 1978-05-25 |
| FR2408016A1 (fr) | 1979-06-01 |
| DE2800050A1 (de) | 1979-05-10 |
| ES466320A1 (es) | 1979-01-16 |
| IT7819162A0 (it) | 1978-01-11 |
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