FR2454548B1 - - Google Patents
Info
- Publication number
- FR2454548B1 FR2454548B1 FR8009060A FR8009060A FR2454548B1 FR 2454548 B1 FR2454548 B1 FR 2454548B1 FR 8009060 A FR8009060 A FR 8009060A FR 8009060 A FR8009060 A FR 8009060A FR 2454548 B1 FR2454548 B1 FR 2454548B1
- 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
- B25D9/06—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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/163—Control arrangements for fluid-driven presses for accumulator-driven presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/165—Control arrangements for fluid-driven presses for pneumatically-hydraulically driven presses
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Fluid-Pressure Circuits (AREA)
- Press Drives And Press Lines (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792916191 DE2916191A1 (en) | 1979-04-21 | 1979-04-21 | POWER UNIT AS A DRIVE DEVICE, e.g. FOR FORMING, DEFORMING, COMPRESSING, HITING AND DRIVING |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2454548A1 FR2454548A1 (en) | 1980-11-14 |
FR2454548B1 true FR2454548B1 (en) | 1984-06-29 |
Family
ID=6068918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8009060A Granted FR2454548A1 (en) | 1979-04-21 | 1980-04-21 | DRIVE UNIT, FOR EXAMPLE TO SHAPE, DEFORM, COMPRESS, DRIVE, ROTATE DRIVE, ETC. |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT368922B (en) |
BE (1) | BE882786A (en) |
DE (1) | DE2916191A1 (en) |
FR (1) | FR2454548A1 (en) |
GB (1) | GB2047794B (en) |
IT (1) | IT1128516B (en) |
SE (1) | SE8002791L (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3226468A1 (en) * | 1982-07-15 | 1984-01-19 | Horst Ing.(grad.) 4005 Meerbusch Knäbel | DEVICE FOR GENERATING A WORKER, ESPECIALLY FOR RAMMS, PRESSES AND THE LIKE |
SE445434B (en) * | 1983-08-01 | 1986-06-23 | Atlas Copco Ab | VIBRATION DUMP PRESSURE FLUID DRIVES |
DE3436946C2 (en) * | 1984-10-09 | 1994-06-09 | Mannesmann Ag | linear actuator |
SE528859C2 (en) | 2005-05-23 | 2007-02-27 | Atlas Copco Rock Drills Ab | control device |
SE529036C2 (en) * | 2005-05-23 | 2007-04-17 | Atlas Copco Rock Drills Ab | Method and apparatus |
SE528654C2 (en) | 2005-05-23 | 2007-01-09 | Atlas Copco Rock Drills Ab | Impulse generator for rock drill, comprises impulse piston housed inside chamber containing compressible liquid |
SE528650C2 (en) | 2005-05-23 | 2007-01-09 | Atlas Copco Rock Drills Ab | Pulse generator and method of pulse generation |
SE530467C2 (en) | 2006-09-21 | 2008-06-17 | Atlas Copco Rock Drills Ab | Method and device for rock drilling |
SE531860C2 (en) | 2007-12-21 | 2009-08-25 | Atlas Copco Rock Drills Ab | Pulse generating device for inducing a shock wave in a tool and rock drilling rig including such device |
CN107672222B (en) * | 2017-11-02 | 2023-07-25 | 中科聚信洁能热锻装备研发股份有限公司 | Efficient energy-saving return cylinder of hydraulic machine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1703727A1 (en) * | 1968-07-03 | 1972-03-02 | Orenstein & Koppel Ag | Hydraulic impact device |
US3892279A (en) * | 1971-07-23 | 1975-07-01 | Chicago Pneumatic Tool Co | Reciprocating hydraulic hammer |
DE2600948C3 (en) * | 1976-01-13 | 1984-04-19 | Knäbel, Horst, Ing.(grad.), 4005 Meerbusch | Unit of force as a working organ, e.g. for presses for forming, compacting, etc. |
-
1979
- 1979-04-21 DE DE19792916191 patent/DE2916191A1/en active Granted
-
1980
- 1980-03-26 AT AT0162080A patent/AT368922B/en not_active IP Right Cessation
- 1980-04-14 SE SE8002791A patent/SE8002791L/en not_active Application Discontinuation
- 1980-04-15 BE BE0/200223A patent/BE882786A/en not_active IP Right Cessation
- 1980-04-17 IT IT48442/80A patent/IT1128516B/en active
- 1980-04-21 FR FR8009060A patent/FR2454548A1/en active Granted
- 1980-04-21 GB GB8013047A patent/GB2047794B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE8002791L (en) | 1980-10-22 |
DE2916191A1 (en) | 1980-10-23 |
GB2047794A (en) | 1980-12-03 |
BE882786A (en) | 1980-07-31 |
IT1128516B (en) | 1986-05-28 |
FR2454548A1 (en) | 1980-11-14 |
AT368922B (en) | 1982-11-25 |
GB2047794B (en) | 1983-11-23 |
ATA162080A (en) | 1982-04-15 |
DE2916191C2 (en) | 1987-09-10 |
IT8048442A0 (en) | 1980-04-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |