BE344737A - - Google Patents
Info
- Publication number
- BE344737A BE344737A BE344737DA BE344737A BE 344737 A BE344737 A BE 344737A BE 344737D A BE344737D A BE 344737DA BE 344737 A BE344737 A BE 344737A
- Authority
- BE
- Belgium
- Prior art keywords
- tube
- layers
- layer
- outer layer
- edges
- 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
- B21C37/09—Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE344737A true BE344737A (enrdf_load_stackoverflow) |
Family
ID=20864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE344737D BE344737A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE344737A (enrdf_load_stackoverflow) |
-
0
- BE BE344737D patent/BE344737A/fr unknown
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