CS210321B1 - Manual pneumatic tool operating by impact - Google Patents

Manual pneumatic tool operating by impact Download PDF

Info

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
Application number
CS8778A
Other languages
Czech (cs)
English (en)
Inventor
Petr A Maslakov
Nikolaj A Klusin
Leonid A Jurijev
Vladimir I Kokarev
Viktor J Kilin
Anas G Galimov
Oleg A Jankovskij
Original Assignee
Petr A Maslakov
Nikolaj A Klusin
Leonid A Jurijev
Vladimir I Kokarev
Viktor J Kilin
Anas G Galimov
Oleg A Jankovskij
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Petr A Maslakov, Nikolaj A Klusin, Leonid A Jurijev, Vladimir I Kokarev, Viktor J Kilin, Anas G Galimov, Oleg A Jankovskij filed Critical Petr A Maslakov
Publication of CS210321B1 publication Critical patent/CS210321B1/cs

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)
CS8778A 1977-01-04 1978-01-03 Manual pneumatic tool operating by impact CS210321B1 (en)

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)

* Cited by examiner, † Cited by third party
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

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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