JPS5691872A - Metal pipe coated with thermoplastic resin - Google Patents
Metal pipe coated with thermoplastic resinInfo
- Publication number
- JPS5691872A JPS5691872A JP17237479A JP17237479A JPS5691872A JP S5691872 A JPS5691872 A JP S5691872A JP 17237479 A JP17237479 A JP 17237479A JP 17237479 A JP17237479 A JP 17237479A JP S5691872 A JPS5691872 A JP S5691872A
- Authority
- JP
- Japan
- Prior art keywords
- adhesion preventing
- layer
- shear strength
- preventing agent
- thermoplastic resin
- 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.)
- Granted
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Abstract
PURPOSE: To remarkably reduce a residual strain of a resin layer caused by thermal shrinkage, by coating an outside surface of a corrosion preventing layer with a special adhesion preventing agent which shows a low shear strength at a high temperature but a high shear strength at an ambient temperature.
CONSTITUTION: A surface of a steel pipe 1 is coated with an anticorrosion layer 11 including a plastic film as a primary coat. An adhesion preventing layer is formed on the surface of the anticorrosion layer, by applying an adhesion preventing agent onto the surface with a coater 6. The adhesion preventing agent is, for example, a high melting point wax, an apliphatic hydrocarbon mixture or a mixture of these substances with a copolymer of polyethylene and polypropylene. This adhesion preventing layer has the feature that its shear strength is low at a high temperature but high at an ambient temperature.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17237479A JPS5940093B2 (en) | 1979-12-27 | 1979-12-27 | Thermoplastic resin coated metal tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17237479A JPS5940093B2 (en) | 1979-12-27 | 1979-12-27 | Thermoplastic resin coated metal tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5691872A true JPS5691872A (en) | 1981-07-25 |
JPS5940093B2 JPS5940093B2 (en) | 1984-09-28 |
Family
ID=15940716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17237479A Expired JPS5940093B2 (en) | 1979-12-27 | 1979-12-27 | Thermoplastic resin coated metal tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5940093B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58202073A (en) * | 1982-05-20 | 1983-11-25 | Dai Ichi High Frequency Co Ltd | Formation of laminar coating layer inhibiting corrosion and apparatus therefor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6264491U (en) * | 1985-10-11 | 1987-04-21 |
-
1979
- 1979-12-27 JP JP17237479A patent/JPS5940093B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58202073A (en) * | 1982-05-20 | 1983-11-25 | Dai Ichi High Frequency Co Ltd | Formation of laminar coating layer inhibiting corrosion and apparatus therefor |
JPH034264B2 (en) * | 1982-05-20 | 1991-01-22 | Daiichi Koshuha Kogyo Kk |
Also Published As
Publication number | Publication date |
---|---|
JPS5940093B2 (en) | 1984-09-28 |
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