BE396158A - - Google Patents
Info
- Publication number
- BE396158A BE396158A BE396158DA BE396158A BE 396158 A BE396158 A BE 396158A BE 396158D A BE396158D A BE 396158DA BE 396158 A BE396158 A BE 396158A
- Authority
- BE
- Belgium
- Prior art keywords
- pipe
- bead
- bulge
- iron
- pipes
- Prior art date
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
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE396158A true BE396158A (pm) |
Family
ID=63069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE396158D BE396158A (pm) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE396158A (pm) |
-
0
- BE BE396158D patent/BE396158A/fr unknown
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