FR1340748A - Perfectionnements aux perforatrices à percussion - Google Patents
Perfectionnements aux perforatrices à percussionInfo
- Publication number
- FR1340748A FR1340748A FR918228A FR918228A FR1340748A FR 1340748 A FR1340748 A FR 1340748A FR 918228 A FR918228 A FR 918228A FR 918228 A FR918228 A FR 918228A FR 1340748 A FR1340748 A FR 1340748A
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/02—Swivel joints in hose-lines
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR918228A FR1340748A (fr) | 1962-12-11 | 1962-12-11 | Perfectionnements aux perforatrices à percussion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR918228A FR1340748A (fr) | 1962-12-11 | 1962-12-11 | Perfectionnements aux perforatrices à percussion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1340748A true FR1340748A (fr) | 1963-10-18 |
Family
ID=8792584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR918228A Expired FR1340748A (fr) | 1962-12-11 | 1962-12-11 | Perfectionnements aux perforatrices à percussion |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1340748A (fr) |
-
1962
- 1962-12-11 FR FR918228A patent/FR1340748A/fr not_active Expired
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