BE493209A - - Google Patents
Info
- Publication number
- BE493209A BE493209A BE493209DA BE493209A BE 493209 A BE493209 A BE 493209A BE 493209D A BE493209D A BE 493209DA BE 493209 A BE493209 A BE 493209A
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/081—Screw-and-nut feed mechanisms
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1008111X | 1949-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE493209A true BE493209A (en]) |
Family
ID=10867748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE493209D BE493209A (en]) | 1949-01-12 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE493209A (en]) |
| DE (1) | DE809182C (en]) |
| FR (1) | FR1008111A (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5393175A (en) * | 1993-06-18 | 1995-02-28 | Courville; Leo | Diamond core drill |
-
0
- BE BE493209D patent/BE493209A/xx unknown
-
1950
- 1950-01-09 FR FR1008111D patent/FR1008111A/fr not_active Expired
- 1950-01-12 DE DEV335A patent/DE809182C/de not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5393175A (en) * | 1993-06-18 | 1995-02-28 | Courville; Leo | Diamond core drill |
| WO1996005407A1 (fr) * | 1993-06-18 | 1996-02-22 | Courville Leo | Foreuse au diamant |
Also Published As
| Publication number | Publication date |
|---|---|
| DE809182C (de) | 1951-07-23 |
| FR1008111A (fr) | 1952-05-14 |