FR2433395B1 - - Google Patents
Info
- Publication number
- FR2433395B1 FR2433395B1 FR7823903A FR7823903A FR2433395B1 FR 2433395 B1 FR2433395 B1 FR 2433395B1 FR 7823903 A FR7823903 A FR 7823903A FR 7823903 A FR7823903 A FR 7823903A FR 2433395 B1 FR2433395 B1 FR 2433395B1
- 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 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)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7827195A GB2026572A (en) | 1978-06-17 | 1978-06-17 | Pneumatic percussion tool |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2433395A1 FR2433395A1 (en) | 1980-03-14 |
FR2433395B1 true FR2433395B1 (en) | 1981-02-06 |
Family
ID=10498014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7823903A Granted FR2433395A1 (en) | 1978-06-17 | 1978-08-16 | PERCUSSION PNEUMATIC DEVICE |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT353185B (en) |
DE (1) | DE2825732A1 (en) |
FR (1) | FR2433395A1 (en) |
GB (1) | GB2026572A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3008219A1 (en) * | 1980-03-04 | 1981-09-17 | Gustav Dr.-Ing. 4300 Essen Jenne | Small compressed air driven pile-driver - has clamp on base plate hammered by piston with narrow accelerating cross=section |
DE4003189A1 (en) * | 1990-02-03 | 1991-08-08 | Roemer Helmuth | RAMM DEVICE |
DE19508542A1 (en) * | 1995-03-10 | 1996-09-12 | Tracto Technik | Impact device |
RU208325U1 (en) * | 2021-06-24 | 2021-12-14 | Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук (ИГД СО РАН) | Impact device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE156600C (en) * | ||||
GB274418A (en) * | 1926-07-15 | 1927-08-04 | Ingersoll Rand Co | Improvement in pneumatic coal picks |
AT334831B (en) * | 1975-07-08 | 1976-02-10 | Inst Gornogo Dela Sibirskogo O | REVERSIBLE COMPRESSED AIR IMPACT DEVICE FOR THE FORMATION OF DRILLING HOLES IN THE SOIL BY COMPRESSING THE DESSELS |
SU655824A1 (en) * | 1976-07-07 | 1979-04-05 | Институт Горного Дела Со Ан Ссср | Pneumatic percussion device for drilling boreholes |
-
0
- AT AT353185D patent/AT353185B/en active
-
1978
- 1978-06-12 DE DE19782825732 patent/DE2825732A1/en not_active Ceased
- 1978-06-17 GB GB7827195A patent/GB2026572A/en not_active Withdrawn
- 1978-08-16 FR FR7823903A patent/FR2433395A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2825732A1 (en) | 1979-12-13 |
GB2026572A (en) | 1980-02-06 |
FR2433395A1 (en) | 1980-03-14 |
AT353185B (en) | 1979-10-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |