DE8801012U1 - Rammbohrgerät - Google Patents
RammbohrgerätInfo
- Publication number
- DE8801012U1 DE8801012U1 DE8801012U DE8801012U DE8801012U1 DE 8801012 U1 DE8801012 U1 DE 8801012U1 DE 8801012 U DE8801012 U DE 8801012U DE 8801012 U DE8801012 U DE 8801012U DE 8801012 U1 DE8801012 U1 DE 8801012U1
- Authority
- DE
- Germany
- Prior art keywords
- percussion piston
- drive pressure
- pressure chamber
- piston
- housing
- 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 12
- 238000009527 percussion Methods 0.000 claims description 43
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims 3
- 101100286286 Dictyostelium discoideum ipi gene Proteins 0.000 claims 1
- 238000005744 Teer Meer reaction Methods 0.000 claims 1
- 244000309464 bull Species 0.000 description 3
- 230000002028 premature Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 239000007787 solid Substances 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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8801012U DE8801012U1 (de) | 1988-01-28 | 1988-01-28 | Rammbohrgerät |
EP88118941A EP0325715A3 (fr) | 1988-01-28 | 1988-11-14 | Mouton de forage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8801012U DE8801012U1 (de) | 1988-01-28 | 1988-01-28 | Rammbohrgerät |
Publications (1)
Publication Number | Publication Date |
---|---|
DE8801012U1 true DE8801012U1 (de) | 1988-03-10 |
Family
ID=6820047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8801012U Expired DE8801012U1 (de) | 1988-01-28 | 1988-01-28 | Rammbohrgerät |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0325715A3 (fr) |
DE (1) | DE8801012U1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5337837A (en) * | 1993-06-17 | 1994-08-16 | Earth Tool Corporation | Dual-diameter pneumatic ground piercing tool |
WO2002044511A1 (fr) | 2000-12-02 | 2002-06-06 | Tracto-Technik Gmbh | Appareil pneumatique de forage de roches et procede pour mettre en marche cet appareil |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT337763B (de) * | 1974-06-14 | 1977-07-25 | Inst Gornogo Dela Sibirskogo O | Pneumatische schlagvorrichtung |
DE2750603A1 (de) * | 1977-11-14 | 1979-05-17 | Inst Gornogo Dela Sibirskogo O | Schlagwerk |
GB8611289D0 (en) * | 1986-05-09 | 1986-06-18 | Fuller J D | Percussive pneumatic apparatus |
-
1988
- 1988-01-28 DE DE8801012U patent/DE8801012U1/de not_active Expired
- 1988-11-14 EP EP88118941A patent/EP0325715A3/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0325715A2 (fr) | 1989-08-02 |
EP0325715A3 (fr) | 1990-05-09 |
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