FR742487A - - Google Patents
Info
- Publication number
- FR742487A FR742487A FR742487DA FR742487A FR 742487 A FR742487 A FR 742487A FR 742487D A FR742487D A FR 742487DA FR 742487 A FR742487 A FR 742487A
- 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
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/05—Bending tubes using mandrels or the like co-operating with forming members
- B21D9/07—Bending tubes using mandrels or the like co-operating with forming members with one or more swinging forming members engaging tube ends only
- B21D9/076—Bending tubes using mandrels or the like co-operating with forming members with one or more swinging forming members engaging tube ends only with more swinging forming members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742487A true FR742487A (OSRAM) | 1933-03-08 |
Family
ID=1546889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742487D Expired FR742487A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742487A (OSRAM) |
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0
- FR FR742487D patent/FR742487A/fr not_active Expired