BE502812A - - Google Patents
Info
- Publication number
- BE502812A BE502812A BE502812DA BE502812A BE 502812 A BE502812 A BE 502812A BE 502812D A BE502812D A BE 502812DA BE 502812 A BE502812 A BE 502812A
- Authority
- BE
- Belgium
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
- 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
- E21B19/083—Cam, rack or like feed mechanisms
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1031050A GB686409A (en) | 1950-04-26 | 1950-04-26 | Improvements relating to equipment for rotary rock drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE502812A true BE502812A (en) |
Family
ID=9965513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE502812D BE502812A (en) | 1950-04-26 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE502812A (en) |
| FR (1) | FR1045665A (en) |
| GB (1) | GB686409A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3005681B1 (en) * | 2013-05-15 | 2015-05-15 | Christian Charnay | TARIERE |
| CN113216828B (en) * | 2021-06-21 | 2022-06-10 | 桂林航天工业学院 | Supporting leg type full-hydraulic rock drill |
| CN116752902B (en) * | 2023-08-10 | 2023-10-20 | 山东省地矿工程集团有限公司 | Horizontal directional drilling equipment for improving drilling precision |
-
0
- BE BE502812D patent/BE502812A/xx unknown
-
1950
- 1950-04-26 GB GB1031050A patent/GB686409A/en not_active Expired
-
1951
- 1951-04-13 FR FR1045665D patent/FR1045665A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB686409A (en) | 1953-01-21 |
| FR1045665A (en) | 1953-11-30 |