FR2165598A5 - - Google Patents
Info
- Publication number
- FR2165598A5 FR2165598A5 FR7245121A FR7245121A FR2165598A5 FR 2165598 A5 FR2165598 A5 FR 2165598A5 FR 7245121 A FR7245121 A FR 7245121A FR 7245121 A FR7245121 A FR 7245121A FR 2165598 A5 FR2165598 A5 FR 2165598A5
- 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
-
- 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
- B25D9/16—Valve arrangements therefor
- B25D9/22—Valve arrangements therefor involving a rotary-type slide valve
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1886171A CH559088A5 (es) | 1971-12-23 | 1971-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2165598A5 true FR2165598A5 (es) | 1973-08-03 |
Family
ID=4435741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7245121A Expired FR2165598A5 (es) | 1971-12-23 | 1972-12-18 |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH559088A5 (es) |
DE (1) | DE2206014A1 (es) |
FR (1) | FR2165598A5 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8720602B2 (en) | 2007-12-21 | 2014-05-13 | Atlas Copco Rock Drills Ab | Pulse generating device and a rock drilling rig comprising such a device |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU676301B2 (en) * | 1993-04-21 | 1997-03-06 | Roger Robarts Briggs | Rock percussion mechanism |
DE4419499A1 (de) * | 1994-06-03 | 1995-12-07 | Interoc Vertriebsgesellschaft | Hydraulisches Schlaggerät mit stufenlos regelbarer Schlagzahl und Schlagenergie |
DE19836389C1 (de) | 1998-08-12 | 2000-04-13 | Deilmamm Haniel Maschinen Und | Bohrvorrichtung mit Doppelschlagsystem |
FI116513B (fi) * | 2003-02-21 | 2005-12-15 | Sandvik Tamrock Oy | Iskulaite |
-
1971
- 1971-12-23 CH CH1886171A patent/CH559088A5/xx not_active IP Right Cessation
-
1972
- 1972-02-09 DE DE19722206014 patent/DE2206014A1/de active Pending
- 1972-12-18 FR FR7245121A patent/FR2165598A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8720602B2 (en) | 2007-12-21 | 2014-05-13 | Atlas Copco Rock Drills Ab | Pulse generating device and a rock drilling rig comprising such a device |
Also Published As
Publication number | Publication date |
---|---|
CH559088A5 (es) | 1975-02-28 |
DE2206014A1 (de) | 1973-08-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |