JPS5455064A - Production of metal pipe coated with plastics - Google Patents
Production of metal pipe coated with plasticsInfo
- Publication number
- JPS5455064A JPS5455064A JP12088577A JP12088577A JPS5455064A JP S5455064 A JPS5455064 A JP S5455064A JP 12088577 A JP12088577 A JP 12088577A JP 12088577 A JP12088577 A JP 12088577A JP S5455064 A JPS5455064 A JP S5455064A
- Authority
- JP
- Japan
- Prior art keywords
- water bath
- nozzles
- coated
- metal pipe
- plastics
- 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
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
PURPOSE: To support and cool a coated metal pipe in which a plastic is in a molten state without damaging the pipe and improve productivity, by jetting a cooling liquid from nozzles.
CONSTITUTION: For instance, the steel pipe 20 is preheated and coated with a molten polyethylene 0.3mm thick. A large number of the nozzles 16 are equipped on the inner water bath 15 in the cooling bath 14, and water is fed to the inner water bath 15 by the pumps 17, overflown from the top of the inner water bath 15 to the outer water bath 18 to be circulated. The steel pipe 20 coated with the molten polyethylene is sent to the cooling bath 14 and cooled while being supported by jets from the nozzles 16.
EFFECT: No defect such as unevenness in film appearance
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12088577A JPS5455064A (en) | 1977-10-11 | 1977-10-11 | Production of metal pipe coated with plastics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12088577A JPS5455064A (en) | 1977-10-11 | 1977-10-11 | Production of metal pipe coated with plastics |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5455064A true JPS5455064A (en) | 1979-05-01 |
Family
ID=14797375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12088577A Pending JPS5455064A (en) | 1977-10-11 | 1977-10-11 | Production of metal pipe coated with plastics |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5455064A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5610422A (en) * | 1979-07-06 | 1981-02-02 | Ube Ind Ltd | Method of sheathing steel pipe |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4925175A (en) * | 1972-06-30 | 1974-03-06 | ||
JPS4930695A (en) * | 1972-07-25 | 1974-03-19 |
-
1977
- 1977-10-11 JP JP12088577A patent/JPS5455064A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4925175A (en) * | 1972-06-30 | 1974-03-06 | ||
JPS4930695A (en) * | 1972-07-25 | 1974-03-19 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5610422A (en) * | 1979-07-06 | 1981-02-02 | Ube Ind Ltd | Method of sheathing steel pipe |
JPS6114930B2 (en) * | 1979-07-06 | 1986-04-21 | Ube Kosan Kk |
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