JPS5075904A - - Google Patents
Info
- Publication number
- JPS5075904A JPS5075904A JP49089928A JP8992874A JPS5075904A JP S5075904 A JPS5075904 A JP S5075904A JP 49089928 A JP49089928 A JP 49089928A JP 8992874 A JP8992874 A JP 8992874A JP S5075904 A JPS5075904 A JP S5075904A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/14—Control devices for the reciprocating piston
-
- 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
-
- 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
- E21B1/38—Hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Actuator (AREA)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38645773A | 1973-08-07 | 1973-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5075904A true JPS5075904A (ja) | 1975-06-21 |
Family
ID=23525662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49089928A Pending JPS5075904A (ja) | 1973-08-07 | 1974-08-07 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5075904A (ja) |
| AU (1) | AU7195874A (ja) |
| CA (1) | CA1037325A (ja) |
| DE (1) | DE2437892A1 (ja) |
| FR (1) | FR2240085A1 (ja) |
| GB (1) | GB1478638A (ja) |
| SE (1) | SE419610B (ja) |
| ZA (1) | ZA744874B (ja) |
-
1974
- 1974-07-18 CA CA205,035A patent/CA1037325A/en not_active Expired
- 1974-07-29 GB GB33379/74A patent/GB1478638A/en not_active Expired
- 1974-07-30 ZA ZA00744874A patent/ZA744874B/xx unknown
- 1974-08-01 AU AU71958/74A patent/AU7195874A/en not_active Expired
- 1974-08-02 SE SE7410006A patent/SE419610B/xx unknown
- 1974-08-06 DE DE2437892A patent/DE2437892A1/de active Pending
- 1974-08-07 FR FR7427407A patent/FR2240085A1/fr not_active Withdrawn
- 1974-08-07 JP JP49089928A patent/JPS5075904A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1037325A (en) | 1978-08-29 |
| DE2437892A1 (de) | 1975-02-20 |
| SE7410006L (ja) | 1975-02-10 |
| SE419610B (sv) | 1981-08-17 |
| FR2240085A1 (ja) | 1975-03-07 |
| ZA744874B (en) | 1975-08-27 |
| GB1478638A (en) | 1977-07-06 |
| AU7195874A (en) | 1976-02-05 |