FR1003195A - Perfectionnement aux avanceurs automatiques pour marteaux perforateurs - Google Patents
Perfectionnement aux avanceurs automatiques pour marteaux perforateursInfo
- Publication number
- FR1003195A FR1003195A FR1003195DA FR1003195A FR 1003195 A FR1003195 A FR 1003195A FR 1003195D A FR1003195D A FR 1003195DA FR 1003195 A FR1003195 A FR 1003195A
- Authority
- FR
- France
- Prior art keywords
- improvement
- hammer drills
- automatic feeders
- feeders
- automatic
- Prior art date
- 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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1003195T | 1946-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1003195A true FR1003195A (fr) | 1952-03-14 |
Family
ID=9562771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1003195D Expired FR1003195A (fr) | 1946-12-14 | 1946-12-14 | Perfectionnement aux avanceurs automatiques pour marteaux perforateurs |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1003195A (fr) |
-
1946
- 1946-12-14 FR FR1003195D patent/FR1003195A/fr not_active Expired
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