IT1091744B - Punta di perforazione sotteranea a comando pneumatico - Google Patents
Punta di perforazione sotteranea a comando pneumaticoInfo
- Publication number
- IT1091744B IT1091744B IT19162/78A IT1916278A IT1091744B IT 1091744 B IT1091744 B IT 1091744B IT 19162/78 A IT19162/78 A IT 19162/78A IT 1916278 A IT1916278 A IT 1916278A IT 1091744 B IT1091744 B IT 1091744B
- Authority
- IT
- Italy
- Prior art keywords
- pneumatic control
- drilling point
- underground drilling
- control underground
- point
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 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 (2)
Publication Number | Publication Date |
---|---|
IT7819162A0 IT7819162A0 (it) | 1978-01-11 |
IT1091744B true IT1091744B (it) | 1985-07-06 |
Family
ID=3600635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19162/78A IT1091744B (it) | 1977-11-04 | 1978-01-11 | Punta di perforazione sotteranea a comando pneumatico |
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 |
---|---|
NL7714592A (nl) | 1979-05-08 |
BE861182A (nl) | 1978-05-25 |
IT7819162A0 (it) | 1978-01-11 |
DE2800050A1 (de) | 1979-05-10 |
ES466320A1 (es) | 1979-01-16 |
FR2408016A1 (fr) | 1979-06-01 |
DE7800027U1 (de) | 1978-04-20 |
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