NL173719C - PNEUMATIC IMPACT MACHINE. - Google Patents
PNEUMATIC IMPACT MACHINE.Info
- Publication number
- NL173719C NL173719C NL7700457A NL7700457A NL173719C NL 173719 C NL173719 C NL 173719C NL 7700457 A NL7700457 A NL 7700457A NL 7700457 A NL7700457 A NL 7700457A NL 173719 C NL173719 C NL 173719C
- Authority
- NL
- Netherlands
- Prior art keywords
- pneumatic impact
- impact machine
- machine
- pneumatic
- impact
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B11/00—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
- F01B11/04—Engines combined with reciprocatory driven devices, e.g. hammers
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7700457A NL173719C (en) | 1977-01-17 | 1977-01-17 | PNEUMATIC IMPACT MACHINE. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7700457A NL173719C (en) | 1977-01-17 | 1977-01-17 | PNEUMATIC IMPACT MACHINE. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7700457A NL7700457A (en) | 1978-07-19 |
NL173719B NL173719B (en) | 1983-10-03 |
NL173719C true NL173719C (en) | 1984-03-01 |
Family
ID=19827788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7700457A NL173719C (en) | 1977-01-17 | 1977-01-17 | PNEUMATIC IMPACT MACHINE. |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL173719C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0183874B1 (en) * | 1984-12-07 | 1989-10-25 | Friedhelm Schwarz | Hydraulic percussion tool |
-
1977
- 1977-01-17 NL NL7700457A patent/NL173719C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7700457A (en) | 1978-07-19 |
NL173719B (en) | 1983-10-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |