BE336989A - - Google Patents
Info
- Publication number
- BE336989A BE336989A BE336989DA BE336989A BE 336989 A BE336989 A BE 336989A BE 336989D A BE336989D A BE 336989DA BE 336989 A BE336989 A BE 336989A
- Authority
- BE
- Belgium
- Prior art keywords
- tube
- strip
- folding
- sheet metal
- rollers
- 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
- B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE336989A true BE336989A (en:Method) |
Family
ID=15183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE336989D BE336989A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE336989A (en:Method) |
-
0
- BE BE336989D patent/BE336989A/fr unknown
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