DE247494C - - Google Patents
Info
- Publication number
- DE247494C DE247494C DENDAT247494D DE247494DA DE247494C DE 247494 C DE247494 C DE 247494C DE NDAT247494 D DENDAT247494 D DE NDAT247494D DE 247494D A DE247494D A DE 247494DA DE 247494 C DE247494 C DE 247494C
- Authority
- DE
- Germany
- Prior art keywords
- rollers
- mandrel
- seams
- pipes
- roller
- 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)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE247494C true DE247494C (cg-RX-API-DMAC7.html) |
Family
ID=506277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT247494D Active DE247494C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE247494C (cg-RX-API-DMAC7.html) |
-
0
- DE DENDAT247494D patent/DE247494C/de active Active
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