BE502773A - - Google Patents
Info
- Publication number
- BE502773A BE502773A BE502773DA BE502773A BE 502773 A BE502773 A BE 502773A BE 502773D A BE502773D A BE 502773DA BE 502773 A BE502773 A BE 502773A
- Authority
- BE
- Belgium
- Prior art keywords
- tube
- treated
- wall
- thickness
- internal
- 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
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls
- B21C37/205—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls with annular guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU30707T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE502773A true BE502773A (enrdf_load_stackoverflow) |
Family
ID=19732070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE502773D BE502773A (enrdf_load_stackoverflow) |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE502773A (enrdf_load_stackoverflow) |
| LU (1) | LU30707A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6321581B1 (en) * | 1996-04-13 | 2001-11-27 | Audi Ag | Process for increasing the wall thickness in hollow sections |
-
0
- BE BE502773D patent/BE502773A/fr unknown
- LU LU30707D patent/LU30707A1/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6321581B1 (en) * | 1996-04-13 | 2001-11-27 | Audi Ag | Process for increasing the wall thickness in hollow sections |
Also Published As
| Publication number | Publication date |
|---|---|
| LU30707A1 (enrdf_load_stackoverflow) |
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