DE261225C - - Google Patents
Info
- Publication number
- DE261225C DE261225C DENDAT261225D DE261225DA DE261225C DE 261225 C DE261225 C DE 261225C DE NDAT261225 D DENDAT261225 D DE NDAT261225D DE 261225D A DE261225D A DE 261225DA DE 261225 C DE261225 C DE 261225C
- Authority
- DE
- Germany
- Prior art keywords
- hollow cone
- valve body
- conical
- valve
- air inlet
- 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 4
- 239000011435 rock Substances 0.000 claims description 4
- 239000003380 propellant Substances 0.000 claims description 3
- 210000003127 knee Anatomy 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE261225C true DE261225C (cs) |
Family
ID=518800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT261225D Active DE261225C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE261225C (cs) |
-
0
- DE DENDAT261225D patent/DE261225C/de active Active
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