CS171215B2 - - Google Patents
Info
- Publication number
- CS171215B2 CS171215B2 CS4713A CS471370A CS171215B2 CS 171215 B2 CS171215 B2 CS 171215B2 CS 4713 A CS4713 A CS 4713A CS 471370 A CS471370 A CS 471370A CS 171215 B2 CS171215 B2 CS 171215B2
- Authority
- CS
- Czechoslovakia
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
- E21B1/32—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure working with pulses
- E21B1/34—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure working with pulses the impulse member being a piston of an internal-combustion engine
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Percussive Tools And Related Accessories (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Portable Nailing Machines And Staplers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE09589/69A SE340260B (enrdf_load_stackoverflow) | 1969-07-07 | 1969-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS171215B2 true CS171215B2 (enrdf_load_stackoverflow) | 1976-10-29 |
Family
ID=20277037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS4713A CS171215B2 (enrdf_load_stackoverflow) | 1969-07-07 | 1970-07-06 |
Country Status (7)
| Country | Link |
|---|---|
| CS (1) | CS171215B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2033381A1 (enrdf_load_stackoverflow) |
| ES (1) | ES192366Y (enrdf_load_stackoverflow) |
| FR (1) | FR2054221A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1295142A (enrdf_load_stackoverflow) |
| NO (1) | NO128455B (enrdf_load_stackoverflow) |
| SE (1) | SE340260B (enrdf_load_stackoverflow) |
-
1969
- 1969-07-07 SE SE09589/69A patent/SE340260B/xx unknown
-
1970
- 1970-07-06 NO NO02650/70A patent/NO128455B/no unknown
- 1970-07-06 FR FR7025002A patent/FR2054221A5/fr not_active Expired
- 1970-07-06 GB GB1295142D patent/GB1295142A/en not_active Expired
- 1970-07-06 ES ES1970192366U patent/ES192366Y/es not_active Expired
- 1970-07-06 DE DE19702033381 patent/DE2033381A1/de active Pending
- 1970-07-06 CS CS4713A patent/CS171215B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2054221A5 (enrdf_load_stackoverflow) | 1971-04-16 |
| NO128455B (enrdf_load_stackoverflow) | 1973-11-19 |
| ES192366Y (es) | 1975-02-16 |
| DE2033381A1 (de) | 1971-01-14 |
| ES192366U (es) | 1974-11-01 |
| GB1295142A (enrdf_load_stackoverflow) | 1972-11-01 |
| SE340260B (enrdf_load_stackoverflow) | 1971-11-15 |