FR548148A - - Google Patents
Info
- Publication number
- FR548148A FR548148A FR548148DA FR548148A FR 548148 A FR548148 A FR 548148A FR 548148D A FR548148D A FR 548148DA FR 548148 A FR548148 A FR 548148A
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/02—Special design or construction
- B21J7/10—Special design or construction with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers
- B21J7/12—Special design or construction with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers the lever being a spring, i.e. spring hammers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR548148A true FR548148A (en) | 1923-01-05 |
Family
ID=1538132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR548148D Expired FR548148A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR548148A (en) |
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0
- FR FR548148D patent/FR548148A/fr not_active Expired