FR2361978B1 - - Google Patents
Info
- Publication number
- FR2361978B1 FR2361978B1 FR7717140A FR7717140A FR2361978B1 FR 2361978 B1 FR2361978 B1 FR 2361978B1 FR 7717140 A FR7717140 A FR 7717140A FR 7717140 A FR7717140 A FR 7717140A FR 2361978 B1 FR2361978 B1 FR 2361978B1
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762637515 DE2637515A1 (de) | 1976-08-20 | 1976-08-20 | Hydraulische antriebsvorrichtung fuer ein schlagwerkzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2361978A1 FR2361978A1 (fr) | 1978-03-17 |
| FR2361978B1 true FR2361978B1 (pl) | 1983-01-28 |
Family
ID=5985928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7717140A Granted FR2361978A1 (fr) | 1976-08-20 | 1977-06-03 | Dispositif hydraulique d'entrainement pour outil a percussion |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2637515A1 (pl) |
| FR (1) | FR2361978A1 (pl) |
| GB (1) | GB1538637A (pl) |
| PL (1) | PL108372B1 (pl) |
| SU (1) | SU695578A3 (pl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59162984U (ja) * | 1983-04-15 | 1984-10-31 | 日東技研株式会社 | 空圧式多針剥離工具 |
| DE8715784U1 (de) * | 1987-11-28 | 1989-03-23 | Salzgitter Maschinenbau GmbH, 3320 Salzgitter | Steuervorrichtung für eine hydraulische Antriebsvorrichtung |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH94169A (fr) * | 1920-10-13 | 1922-04-17 | W H Dorman & Co Ltd | Perforatrice pour roche. |
| FR1518771A (fr) * | 1967-01-24 | 1968-03-29 | Meudon Forges Atel | Outil à percussions actionné par un fluide incompressible |
| FR1536768A (fr) * | 1967-09-13 | 1968-08-16 | Ingersoll Rand Co | Perforatrice |
| FR1578647A (pl) * | 1968-09-02 | 1969-08-14 | ||
| US3995700A (en) * | 1975-10-14 | 1976-12-07 | Gardner-Denver Company | Hydraulic rock drill system |
-
1976
- 1976-08-20 DE DE19762637515 patent/DE2637515A1/de not_active Withdrawn
-
1977
- 1977-06-03 FR FR7717140A patent/FR2361978A1/fr active Granted
- 1977-06-22 SU SU772500702A patent/SU695578A3/ru active
- 1977-07-12 GB GB2915677A patent/GB1538637A/en not_active Expired
- 1977-08-19 PL PL20036477A patent/PL108372B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1538637A (en) | 1979-01-24 |
| SU695578A3 (ru) | 1979-10-30 |
| DE2637515A1 (de) | 1978-02-23 |
| FR2361978A1 (fr) | 1978-03-17 |
| PL200364A1 (pl) | 1978-04-10 |
| PL108372B1 (en) | 1980-04-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |