JPS5584235A - Production of interior lining steel tube - Google Patents
Production of interior lining steel tubeInfo
- Publication number
- JPS5584235A JPS5584235A JP15826478A JP15826478A JPS5584235A JP S5584235 A JPS5584235 A JP S5584235A JP 15826478 A JP15826478 A JP 15826478A JP 15826478 A JP15826478 A JP 15826478A JP S5584235 A JPS5584235 A JP S5584235A
- Authority
- JP
- Japan
- Prior art keywords
- steel tube
- roll
- pipe
- alternately
- production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
PURPOSE: To manufacture lining steel tubes of high roundness at high productivity, by treating steel tubes with roll drawing and die drawing alternately.
CONSTITUTION: First to third rolls 4aW4c and first to third dies 5aW5c are disposed alternately in the transfer direction of a steel tube 1 approximately at equal intervals. A first drawing roll 4a, a second drawing roll 4b, and a third drawing roll 4c are disposed vertically, laterally, and vertically, respectively, so that each roll shaft may be located in the horizontal direction or vertical direction orthogonal to the transfer direction of the steel tube 1. A pipe 2 should be made of plastic material such as polyethylene and polyvinyl chloride etc., and formed in an outside diameter smaller than the inside diameter of the steel tube 1. The pipe 2 is inserted into the steel tube 1, and roll drawing and die drawing are applied alternately, so that the inner circumferential surface of the steel tube 1 is reduced and contacted with the outer circumferential surface of the pipe 2.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15826478A JPS5584235A (en) | 1978-12-20 | 1978-12-20 | Production of interior lining steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15826478A JPS5584235A (en) | 1978-12-20 | 1978-12-20 | Production of interior lining steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5584235A true JPS5584235A (en) | 1980-06-25 |
Family
ID=15667809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15826478A Pending JPS5584235A (en) | 1978-12-20 | 1978-12-20 | Production of interior lining steel tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5584235A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6137318A (en) * | 1984-07-30 | 1986-02-22 | Nippon Steel Corp | Production of double pipe |
| JPS62151218A (en) * | 1985-12-25 | 1987-07-06 | Kawasaki Steel Corp | Production of multilayer pipe |
-
1978
- 1978-12-20 JP JP15826478A patent/JPS5584235A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6137318A (en) * | 1984-07-30 | 1986-02-22 | Nippon Steel Corp | Production of double pipe |
| JPH0545330B2 (en) * | 1984-07-30 | 1993-07-08 | Nippon Steel Corp | |
| JPS62151218A (en) * | 1985-12-25 | 1987-07-06 | Kawasaki Steel Corp | Production of multilayer pipe |
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