FR891420A - Improvement in self-compressing hammers - Google Patents
Improvement in self-compressing hammersInfo
- Publication number
- FR891420A FR891420A FR891420DA FR891420A FR 891420 A FR891420 A FR 891420A FR 891420D A FR891420D A FR 891420DA FR 891420 A FR891420 A FR 891420A
- Authority
- FR
- France
- Prior art keywords
- hammers
- compressing
- self
- improvement
- compressing hammers
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR891420T | 1943-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR891420A true FR891420A (en) | 1944-03-07 |
Family
ID=9386906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR891420D Expired FR891420A (en) | 1943-02-22 | 1943-02-22 | Improvement in self-compressing hammers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR891420A (en) |
-
1943
- 1943-02-22 FR FR891420D patent/FR891420A/en not_active Expired
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