FR482697A - Mechanical hammer drill - Google Patents
Mechanical hammer drillInfo
- Publication number
- FR482697A FR482697A FR482697DA FR482697A FR 482697 A FR482697 A FR 482697A FR 482697D A FR482697D A FR 482697DA FR 482697 A FR482697 A FR 482697A
- Authority
- FR
- France
- Prior art keywords
- hammer drill
- mechanical hammer
- mechanical
- drill
- hammer
- 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
- B21J7/02—Special design or construction
-
- 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
- B21J7/14—Forging machines working with several hammers
- B21J7/16—Forging machines working with several hammers in rotary arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR482697T | 1915-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR482697A true FR482697A (en) | 1917-04-12 |
Family
ID=1519677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR482697D Expired FR482697A (en) | 1915-10-21 | 1915-10-21 | Mechanical hammer drill |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR482697A (en) |
-
1915
- 1915-10-21 FR FR482697D patent/FR482697A/en not_active Expired
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