BE374383A - - Google Patents
Info
- Publication number
- BE374383A BE374383A BE374383DA BE374383A BE 374383 A BE374383 A BE 374383A BE 374383D A BE374383D A BE 374383DA BE 374383 A BE374383 A BE 374383A
- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
- E21B44/08—Automatic control of the tool feed in response to the amplitude of the movement of the percussion tool, e.g. jump or recoil
-
- 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
- E21B19/086—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 with a fluid-actuated cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US423066A US1868294A (en) | 1930-01-24 | 1930-01-24 | Feeding device for rock drills |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE374383A true BE374383A (it) |
Family
ID=23677549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE374383D BE374383A (it) | 1930-01-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1868294A (it) |
| BE (1) | BE374383A (it) |
| DE (1) | DE568527C (it) |
| FR (1) | FR704669A (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1006369B (de) * | 1953-10-28 | 1957-04-18 | Salzgitter Maschinen Ag | Vorrichtung zur Beeinflussung der Vorschubgeschwindigkeit des Bohrers einer Gesteinsbohrmaschine |
| NL211829A (it) * | 1955-10-31 | |||
| US3870279A (en) * | 1972-09-11 | 1975-03-11 | Allied Steel Tractor Prod Inc | Stepper carriage advancement system |
-
0
- BE BE374383D patent/BE374383A/xx unknown
-
1930
- 1930-01-24 US US423066A patent/US1868294A/en not_active Expired - Lifetime
- 1930-10-22 FR FR704669D patent/FR704669A/fr not_active Expired
- 1930-10-29 DE DE1930568527D patent/DE568527C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE568527C (de) | 1933-01-21 |
| US1868294A (en) | 1932-07-19 |
| FR704669A (fr) | 1931-05-23 |