FR2263398B1 - - Google Patents
Info
- Publication number
- FR2263398B1 FR2263398B1 FR7407263A FR7407263A FR2263398B1 FR 2263398 B1 FR2263398 B1 FR 2263398B1 FR 7407263 A FR7407263 A FR 7407263A FR 7407263 A FR7407263 A FR 7407263A FR 2263398 B1 FR2263398 B1 FR 2263398B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
- B06B1/183—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid operating with reciprocating masses
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- 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
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
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- 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
- B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L21/00—Use of working pistons or pistons-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines
- F01L21/02—Piston or piston-rod used as valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
- F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
- F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
- F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0011—Details of anvils, guide-sleeves or pistons
- B25D2217/0023—Pistons
- B25D2217/0026—Double pistons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Percussive Tools And Related Accessories (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7407263A FR2263398A1 (en) | 1974-03-04 | 1974-03-04 | Hydraulic percussive tool - has changeover valve for driving moving parts to and fro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7407263A FR2263398A1 (en) | 1974-03-04 | 1974-03-04 | Hydraulic percussive tool - has changeover valve for driving moving parts to and fro |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2263398A1 FR2263398A1 (en) | 1975-10-03 |
| FR2263398B1 true FR2263398B1 (US06811534-20041102-M00003.png) | 1979-05-25 |
Family
ID=9135773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7407263A Granted FR2263398A1 (en) | 1974-03-04 | 1974-03-04 | Hydraulic percussive tool - has changeover valve for driving moving parts to and fro |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2263398A1 (US06811534-20041102-M00003.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2341741A2 (fr) * | 1976-02-23 | 1977-09-16 | Koehring Gmbh Bomag Division | Generateur hydraulique de vibrations pour compresseurs vibrants |
| GB1584792A (en) * | 1976-06-09 | 1981-02-18 | Mitsui Shipbuilding Eng | Oscillator actuated hydraulic percussion device |
| EP0071655B1 (de) * | 1981-08-04 | 1985-12-18 | HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG | Pneumatisch betätigte Hydraulikpumpe |
| US4825960A (en) * | 1988-06-30 | 1989-05-02 | Molex Incorporated | Synchronized hydraulic hammer arrangement |
| FI115957B (fi) * | 2001-11-07 | 2005-08-31 | Sandvik Tamrock Oy | Kaksimäntäinen iskulaite |
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1974
- 1974-03-04 FR FR7407263A patent/FR2263398A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2263398A1 (en) | 1975-10-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |