DE80719C - - Google Patents
Info
- Publication number
- DE80719C DE80719C DENDAT80719D DE80719DA DE80719C DE 80719 C DE80719 C DE 80719C DE NDAT80719 D DENDAT80719 D DE NDAT80719D DE 80719D A DE80719D A DE 80719DA DE 80719 C DE80719 C DE 80719C
- Authority
- DE
- Germany
- Prior art keywords
- piston
- slide
- control
- channels
- channel
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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
- B25D9/16—Valve arrangements therefor
- B25D9/18—Valve arrangements therefor involving a piston-type slide valve
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE80719C true DE80719C (enrdf_load_stackoverflow) |
Family
ID=353249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT80719D Active DE80719C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE80719C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT80719D patent/DE80719C/de active Active
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