FR878048A - Marteau pneumatique, notamment marteau-piqueur - Google Patents
Marteau pneumatique, notamment marteau-piqueurInfo
- Publication number
- FR878048A FR878048A FR878048DA FR878048A FR 878048 A FR878048 A FR 878048A FR 878048D A FR878048D A FR 878048DA FR 878048 A FR878048 A FR 878048A
- Authority
- FR
- France
- Prior art keywords
- jackhammer
- pneumatic hammer
- hammer
- pneumatic
- especially jackhammer
- Prior art date
- 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
- B25D9/16—Valve arrangements therefor
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE878048X | 1941-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR878048A true FR878048A (fr) | 1943-01-08 |
Family
ID=6818347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR878048D Expired FR878048A (fr) | 1941-06-24 | 1941-12-29 | Marteau pneumatique, notamment marteau-piqueur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR878048A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4446773A (en) * | 1980-11-07 | 1984-05-08 | Maco-Meuden | Compressed air distributor for a reciprocating concrete breaking type machine |
US5775196A (en) * | 1994-02-28 | 1998-07-07 | Atlas Copco Berema Ab | Valve arrangement in compressed air driven motors |
-
1941
- 1941-12-29 FR FR878048D patent/FR878048A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4446773A (en) * | 1980-11-07 | 1984-05-08 | Maco-Meuden | Compressed air distributor for a reciprocating concrete breaking type machine |
US5775196A (en) * | 1994-02-28 | 1998-07-07 | Atlas Copco Berema Ab | Valve arrangement in compressed air driven motors |
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