BE685547A - - Google Patents
Info
- Publication number
- BE685547A BE685547A BE685547DA BE685547A BE 685547 A BE685547 A BE 685547A BE 685547D A BE685547D A BE 685547DA BE 685547 A BE685547 A BE 685547A
- Authority
- BE
- Belgium
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)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB51544/66A GB1152249A (en) | 1966-11-17 | 1966-11-17 | Improvements in or relating to a Self-Propelled Pneumatic device for Driving Holes in Ground |
Publications (1)
Publication Number | Publication Date |
---|---|
BE685547A true BE685547A (he) | 1967-02-01 |
Family
ID=10460428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE685547D BE685547A (he) | 1966-11-17 | 1966-08-16 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE685547A (he) |
DE (1) | DE1634579B1 (he) |
GB (1) | GB1152249A (he) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2401114C3 (de) * | 1974-01-10 | 1982-02-18 | Institut gornogo dela Sibirskogo otdelenija Akademii Nauk SSSR, Novosibirsk | Schlagvorrichtung zum Herstellen von Erdbohrungen |
AT501933A1 (de) * | 2004-07-26 | 2006-12-15 | Albrecht Walter | Vortriebseinrichtung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL111540C (he) * | 1958-01-24 |
-
1966
- 1966-08-10 DE DE19661634579D patent/DE1634579B1/de active Pending
- 1966-08-16 BE BE685547D patent/BE685547A/xx not_active IP Right Cessation
- 1966-11-17 GB GB51544/66A patent/GB1152249A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1634579B1 (de) | 1970-09-24 |
GB1152249A (en) | 1969-05-14 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: INSTITUT GORNOGO DELA SIBIRSKOGO OTDELENIA AN USS Effective date: 19860816 |