LU43328A1 - - Google Patents
Info
- Publication number
- LU43328A1 LU43328A1 LU43328DA LU43328A1 LU 43328 A1 LU43328 A1 LU 43328A1 LU 43328D A LU43328D A LU 43328DA LU 43328 A1 LU43328 A1 LU 43328A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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 and tubes with decorated walls
- B21C37/207—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 and tubes with decorated walls with helical guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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 and tubes with decorated walls
- B21C37/202—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 and tubes with decorated walls with guides parallel to the tube axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Catching Or Destruction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR891775A FR1325783A (en) | 1962-03-21 | 1962-03-21 | Process for obtaining tubular products with helical fins and device for carrying out the process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU43328A1 true LU43328A1 (en) | 1963-05-11 |
Family
ID=8775010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU43328D LU43328A1 (en) | 1962-03-21 | 1963-03-11 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH401876A (en) |
| FR (1) | FR1325783A (en) |
| GB (1) | GB961011A (en) |
| LU (1) | LU43328A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0144460A1 (en) * | 1983-12-10 | 1985-06-19 | Wieland-Werke AG | Method of manufacturing a heat exchanger pipe |
-
1962
- 1962-03-21 FR FR891775A patent/FR1325783A/en not_active Expired
-
1963
- 1963-03-11 LU LU43328D patent/LU43328A1/xx unknown
- 1963-03-12 GB GB974263A patent/GB961011A/en not_active Expired
- 1963-03-18 CH CH339763A patent/CH401876A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1325783A (en) | 1963-05-03 |
| CH401876A (en) | 1965-11-15 |
| GB961011A (en) | 1964-06-17 |