FR554451A - - Google Patents
Info
- Publication number
- FR554451A FR554451A FR554451DA FR554451A FR 554451 A FR554451 A FR 554451A FR 554451D A FR554451D A FR 554451DA FR 554451 A FR554451 A FR 554451A
- 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
- 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
- B21J7/20—Drives for hammers; Transmission means therefor
- B21J7/22—Drives for hammers; Transmission means therefor for power hammers
- B21J7/24—Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR554451A true FR554451A (en:Method) | 1923-06-12 |
Family
ID=1538593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR554451D Expired FR554451A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR554451A (en:Method) |
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0
- FR FR554451D patent/FR554451A/fr not_active Expired