BE398844A - - Google Patents
Info
- Publication number
- BE398844A BE398844A BE398844DA BE398844A BE 398844 A BE398844 A BE 398844A BE 398844D A BE398844D A BE 398844DA BE 398844 A BE398844 A BE 398844A
- Authority
- BE
- Belgium
- Prior art keywords
- rings
- point
- die
- pass
- tube
- 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
- B21C37/16—Making tubes with varying diameter in longitudinal direction
- B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Metal Extraction Processes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE398844A true BE398844A (h) |
Family
ID=65264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE398844D BE398844A (h) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE398844A (h) |
-
0
- BE BE398844D patent/BE398844A/fr unknown
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