FR373395A - Perfectionnements apportés aux perforatrices à percussion - Google Patents
Perfectionnements apportés aux perforatrices à percussionInfo
- Publication number
- FR373395A FR373395A FR373395A FR373395DA FR373395A FR 373395 A FR373395 A FR 373395A FR 373395 A FR373395 A FR 373395A FR 373395D A FR373395D A FR 373395DA FR 373395 A FR373395 A FR 373395A
- Authority
- FR
- France
- Prior art keywords
- percussion drills
- percussion
- drills
- 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
- 238000009527 percussion Methods 0.000 title 1
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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR373395T | 1907-01-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR373395A true FR373395A (fr) | 1907-05-13 |
Family
ID=1420102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR373395A Expired FR373395A (fr) | 1907-01-08 | 1907-01-08 | Perfectionnements apportés aux perforatrices à percussion |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR373395A (fr) |
-
1907
- 1907-01-08 FR FR373395A patent/FR373395A/fr not_active Expired
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