FR2352161B1 - - Google Patents
Info
- Publication number
- FR2352161B1 FR2352161B1 FR7715108A FR7715108A FR2352161B1 FR 2352161 B1 FR2352161 B1 FR 2352161B1 FR 7715108 A FR7715108 A FR 7715108A FR 7715108 A FR7715108 A FR 7715108A FR 2352161 B1 FR2352161 B1 FR 2352161B1
- Authority
- FR
- France
- 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
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
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2362865 | 1976-05-17 | ||
| SU2416534 | 1976-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2352161A1 FR2352161A1 (en) | 1977-12-16 |
| FR2352161B1 true FR2352161B1 (en) | 1980-03-14 |
Family
ID=26665582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7715108A Granted FR2352161A1 (en) | 1976-05-17 | 1977-05-17 | REVERSAL DEVICE USING THE PUNCHING EFFECT TO MAKE HOLES IN THE GROUND |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT347359B (en) |
| CH (1) | CH621172A5 (en) |
| DE (1) | DE2722298C3 (en) |
| DK (1) | DK147714C (en) |
| FI (1) | FI57159C (en) |
| FR (1) | FR2352161A1 (en) |
| GB (1) | GB1540344A (en) |
| IT (1) | IT1118028B (en) |
| NL (1) | NL168579C (en) |
| NO (1) | NO151630C (en) |
| SE (1) | SE423923B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2820785C2 (en) * | 1978-05-12 | 1986-10-02 | Paul 5940 Lennestadt Schmidt | Valve control for ram drilling rigs |
| GB2111565B (en) * | 1981-12-15 | 1985-10-02 | British Telecomm | Self propelled reversible boring ram |
| SU1250619A1 (en) * | 1984-03-06 | 1986-08-15 | Институт Горного Дела Со Ан Ссср | Reversible pneumatic device for making holes in soil |
| GB2165279B (en) * | 1984-10-03 | 1987-12-23 | Inst Gornogo Dela Sibirskogo O | Air-operated reversible percussive action machine |
| DE19617603C1 (en) * | 1996-05-02 | 1997-09-18 | Tracto Technik | Reversible ram boring machine |
| EP1951984A1 (en) | 2005-11-16 | 2008-08-06 | Tracto-Technik GmbH | Hammer drilling device with a pneumatic reversing gear |
| DE102005055032B4 (en) * | 2005-11-16 | 2011-04-21 | Tracto-Technik Gmbh | Rammbohrgerät with pneumatic reversal |
-
1977
- 1977-05-17 FI FI771563A patent/FI57159C/en not_active IP Right Cessation
- 1977-05-17 DE DE2722298A patent/DE2722298C3/en not_active Expired
- 1977-05-17 DK DK215877A patent/DK147714C/en not_active IP Right Cessation
- 1977-05-17 NL NLAANVRAGE7705462,A patent/NL168579C/en not_active IP Right Cessation
- 1977-05-17 CH CH615177A patent/CH621172A5/en not_active IP Right Cessation
- 1977-05-17 AT AT353577A patent/AT347359B/en not_active IP Right Cessation
- 1977-05-17 IT IT23683/77A patent/IT1118028B/en active
- 1977-05-17 SE SE7705846A patent/SE423923B/en not_active IP Right Cessation
- 1977-05-17 FR FR7715108A patent/FR2352161A1/en active Granted
- 1977-05-17 GB GB20586/77A patent/GB1540344A/en not_active Expired
- 1977-05-18 NO NO771741A patent/NO151630C/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2722298C3 (en) | 1980-06-19 |
| DK215877A (en) | 1977-11-18 |
| DE2722298A1 (en) | 1978-04-06 |
| NL168579C (en) | 1982-04-16 |
| FI771563A (en) | 1977-11-18 |
| FR2352161A1 (en) | 1977-12-16 |
| NO151630C (en) | 1985-05-08 |
| SE423923B (en) | 1982-06-14 |
| CH621172A5 (en) | 1981-01-15 |
| IT1118028B (en) | 1986-02-24 |
| NL168579B (en) | 1981-11-16 |
| DK147714C (en) | 1985-08-26 |
| GB1540344A (en) | 1979-02-07 |
| NL7705462A (en) | 1977-11-21 |
| SE7705846L (en) | 1977-11-18 |
| DE2722298B2 (en) | 1979-10-11 |
| NO151630B (en) | 1985-01-28 |
| FI57159B (en) | 1980-02-29 |
| AT347359B (en) | 1978-12-27 |
| FI57159C (en) | 1980-06-10 |
| ATA353577A (en) | 1978-04-15 |
| DK147714B (en) | 1984-11-19 |
| NO771741L (en) | 1977-11-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |