FR371891A - Perforatrice pneumatique - Google Patents
Perforatrice pneumatiqueInfo
- Publication number
- FR371891A FR371891A FR371891A FR371891DA FR371891A FR 371891 A FR371891 A FR 371891A FR 371891 A FR371891 A FR 371891A FR 371891D A FR371891D A FR 371891DA FR 371891 A FR371891 A FR 371891A
- Authority
- FR
- France
- Prior art keywords
- pneumatic punch
- punch
- pneumatic
- 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
- E21B1/00—Percussion drilling
- E21B1/12—Percussion drilling with a reciprocating impulse member
- E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
- E21B1/30—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR371891T | 1906-10-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR371891A true FR371891A (fr) | 1907-03-18 |
Family
ID=1418704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR371891A Expired FR371891A (fr) | 1906-10-01 | 1906-10-01 | Perforatrice pneumatique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR371891A (fr) |
-
1906
- 1906-10-01 FR FR371891A patent/FR371891A/fr not_active Expired
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