CS210321B1 - Manual pneumatic tool operating by impact - Google Patents
Manual pneumatic tool operating by impact Download PDFInfo
- Publication number
- CS210321B1 CS210321B1 CS8778A CS8778A CS210321B1 CS 210321 B1 CS210321 B1 CS 210321B1 CS 8778 A CS8778 A CS 8778A CS 8778 A CS8778 A CS 8778A CS 210321 B1 CS210321 B1 CS 210321B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- compressed air
- working chambers
- cavity
- valve
- impact
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
- E02D3/061—Tampers with directly acting explosion chambers
-
- 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
- B25D9/20—Valve arrangements therefor involving a tubular-type slide valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D2209/005—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is coaxial with the piston
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Soil Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Percussive Tools And Related Accessories (AREA)
- Road Paving Machines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772440929A SU745670A1 (ru) | 1977-01-04 | 1977-01-04 | Воздухораспределительное устройство пневматических машин ударного действи |
Publications (1)
Publication Number | Publication Date |
---|---|
CS210321B1 true CS210321B1 (en) | 1982-01-29 |
Family
ID=20690943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS8778A CS210321B1 (en) | 1977-01-04 | 1978-01-03 | Manual pneumatic tool operating by impact |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS53108606A (de) |
AT (1) | AT361417B (de) |
CS (1) | CS210321B1 (de) |
DD (1) | DD135589A1 (de) |
DE (1) | DE2758621C2 (de) |
FR (1) | FR2375959A1 (de) |
SE (1) | SE428895B (de) |
SU (1) | SU745670A1 (de) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE225920C (de) * | ||||
FR583873A (fr) * | 1923-08-07 | 1925-01-23 | Marteau pneumatique à river, buriner, etc. | |
US1665046A (en) * | 1924-10-29 | 1928-04-03 | Ralph H Tucker | Pneumatic hammer |
US2070299A (en) * | 1934-05-16 | 1937-02-09 | Chicago Pneumatic Tool Co | Valve for percussive tools |
US2887989A (en) * | 1958-07-03 | 1959-05-26 | Richard O Dulaney | Pneumatic rotary drill hammer |
US3453657A (en) * | 1967-04-17 | 1969-07-01 | Maston C Bolton | Fluid actuated percussion tool |
US3616865A (en) * | 1969-02-26 | 1971-11-02 | Boris Vasilievich Sudnishnikov | Pneumatic percussion device for making holes in the ground by packing the latter |
JPS4720353U (de) * | 1971-02-12 | 1972-11-07 | ||
RO74260A (ro) * | 1974-04-25 | 1980-10-30 | Oy Tampella Ab,Fi | Perforator percutant actionat cu lichid sub presiune |
-
1977
- 1977-01-04 SU SU772440929A patent/SU745670A1/ru active
- 1977-12-28 JP JP15757377A patent/JPS53108606A/ja active Granted
- 1977-12-29 SE SE7714910A patent/SE428895B/sv not_active IP Right Cessation
- 1977-12-29 DE DE19772758621 patent/DE2758621C2/de not_active Expired
- 1977-12-29 AT AT941077A patent/AT361417B/de not_active IP Right Cessation
-
1978
- 1978-01-02 DD DD20306978A patent/DD135589A1/de not_active IP Right Cessation
- 1978-01-03 CS CS8778A patent/CS210321B1/cs unknown
- 1978-01-03 FR FR7800056A patent/FR2375959A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
SE428895B (sv) | 1983-08-01 |
FR2375959A1 (fr) | 1978-07-28 |
DD135589A1 (de) | 1979-05-16 |
DE2758621A1 (de) | 1978-07-13 |
JPS5745843B2 (de) | 1982-09-30 |
DE2758621C2 (de) | 1982-04-01 |
FR2375959B1 (de) | 1980-10-17 |
SE7714910L (sv) | 1978-07-05 |
AT361417B (de) | 1981-03-10 |
ATA941077A (de) | 1980-07-15 |
SU745670A1 (ru) | 1980-07-07 |
JPS53108606A (en) | 1978-09-21 |
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