DE149138C - - Google Patents
Info
- Publication number
- DE149138C DE149138C DENDAT149138D DE149138DA DE149138C DE 149138 C DE149138 C DE 149138C DE NDAT149138 D DENDAT149138 D DE NDAT149138D DE 149138D A DE149138D A DE 149138DA DE 149138 C DE149138 C DE 149138C
- Authority
- DE
- Germany
- Prior art keywords
- mandrel
- fold
- section
- pipe
- pressing
- 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
- B21C37/101—Making of the seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE149138C true DE149138C (enrdf_load_stackoverflow) |
Family
ID=416164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT149138D Active DE149138C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE149138C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT149138D patent/DE149138C/de active Active
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