FR379956A - Perfectionnements apportés aux perforatrices électro-pneumatiques à percussion - Google Patents
Perfectionnements apportés aux perforatrices électro-pneumatiques à percussionInfo
- Publication number
- FR379956A FR379956A FR379956A FR379956DA FR379956A FR 379956 A FR379956 A FR 379956A FR 379956 A FR379956 A FR 379956A FR 379956D A FR379956D A FR 379956DA FR 379956 A FR379956 A FR 379956A
- Authority
- FR
- France
- Prior art keywords
- electro
- pneumatic percussion
- percussion drills
- drills
- 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
- 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
- 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 |
|---|---|---|---|
| FR379956T | 1907-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR379956A true FR379956A (fr) | 1907-11-26 |
Family
ID=1426205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR379956A Expired FR379956A (fr) | 1907-07-16 | 1907-07-16 | Perfectionnements apportés aux perforatrices électro-pneumatiques à percussion |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR379956A (fr) |
-
1907
- 1907-07-16 FR FR379956A patent/FR379956A/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR379956A (fr) | Perfectionnements apportés aux perforatrices électro-pneumatiques à percussion | |
| FR373395A (fr) | Perfectionnements apportés aux perforatrices à percussion | |
| FR7387E (fr) | Perfectionnements aux métiers à tisser | |
| FR394284A (fr) | Perfectionnements apportés aux perforatrices à percussion | |
| FR394285A (fr) | Perfectionnements apportés aux perforatrices à percussion | |
| FR394286A (fr) | Perfectionnements apportés aux perforatrices à percussion | |
| FR403554A (fr) | Perfectionnements apportés aux perforatrices à percussion | |
| FR381033A (fr) | Perfectionnements apportés aux mandrins porte-outils | |
| FR365553A (fr) | Perfectionnements apportés aux perforatrices à percussion | |
| FR399892A (fr) | Perfectionnements aux perforatrices à percussion | |
| FR377633A (fr) | Perfectionnements apportés aux machines à forer | |
| FR407617A (fr) | Instrument percuteur à main | |
| FR368060A (fr) | Foreuse à percussion | |
| FR413066A (fr) | Perfectionnements aux clés à écrous | |
| FR388065A (fr) | Perfectionnements aux machines à écrire | |
| FR391154A (fr) | Perceuse à main | |
| FR398694A (fr) | Perfectionnements aux serrures à combinaisons | |
| FR379281A (fr) | Perfectionnements aux machines à percer | |
| FR394841A (fr) | Clé à écrous | |
| FR389531A (fr) | Clé à écrous | |
| FR374923A (fr) | Marteau perforateur | |
| CH38950A (de) | Perkussionshammer | |
| FR404262A (fr) | Clé à écrous | |
| FR379317A (fr) | Foret pneumatique | |
| FR374850A (fr) | Perceuse pneumatique portative |