DE261639C - - Google Patents
Info
- Publication number
- DE261639C DE261639C DENDAT261639D DE261639DA DE261639C DE 261639 C DE261639 C DE 261639C DE NDAT261639 D DENDAT261639 D DE NDAT261639D DE 261639D A DE261639D A DE 261639DA DE 261639 C DE261639 C DE 261639C
- Authority
- DE
- Germany
- Prior art keywords
- sheets
- mandrel
- compressed air
- clamping pieces
- cylinder
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/10—Making tubes with seams being neither welded nor soldered, e.g. riveted seams
- B21C37/108—Making tubes with seams being neither welded nor soldered, e.g. riveted seams without continuous longitudinal movement of the sheet during the bending operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE261639C true DE261639C (cs) |
Family
ID=519179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT261639D Active DE261639C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE261639C (cs) |
-
0
- DE DENDAT261639D patent/DE261639C/de active Active
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