BE387798A - - Google Patents
Info
- Publication number
- BE387798A BE387798A BE387798DA BE387798A BE 387798 A BE387798 A BE 387798A BE 387798D A BE387798D A BE 387798DA BE 387798 A BE387798 A BE 387798A
- Authority
- BE
- Belgium
- Prior art keywords
- fins
- tube
- beads
- metal
- mandrel
- 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
- B21C37/24—Making finned or ribbed tubes by fixing strip or like material to tubes annularly-ribbed tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE387798A true BE387798A (https=) |
Family
ID=56196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE387798D BE387798A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE387798A (https=) |
-
0
- BE BE387798D patent/BE387798A/fr unknown
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