JPS55133925A - Method of applying resin to inner surface of metal pipe - Google Patents
Method of applying resin to inner surface of metal pipeInfo
- Publication number
- JPS55133925A JPS55133925A JP4214179A JP4214179A JPS55133925A JP S55133925 A JPS55133925 A JP S55133925A JP 4214179 A JP4214179 A JP 4214179A JP 4214179 A JP4214179 A JP 4214179A JP S55133925 A JPS55133925 A JP S55133925A
- Authority
- JP
- Japan
- Prior art keywords
- metal pipe
- resin
- supplied
- molten
- resin film
- 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
- Application Of Or Painting With Fluid Materials (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
PURPOSE: To obtain a metal pipe which has at an inner surface thereof a resin film formed in a uniform thickness without pinhole, by a method wherein a metal pipe is rotated while plasticized molten resin is supplied, and the resin is filmed on an inner surface of the metal pipe by a centrifugal force for cooling and hardening thereat.
CONSTITUTION: A filming resin is enoughly plasticized and molten by an injection- molder, and a given amount of the resin is supplied into a metal pipe such as steel pipes. A nozzle of the injection-molder is formed in the shape of a long cylinder where a large number of resin jetting holes are provided in a circumferential wall thereof. It is desirable that the resin is supplied in such a manner as blows the molten resin against the inner surface of the metal pipe through the said jetting holes. The metal pipe is rotated at high speed after or before the molten resin is supplied. The molten resin forms a resin film evenly along the inner wall of the metal pipe by a centrifugal force produced due to the rotation of the metal pipe. After the resin film is formed on the inner surface of the metal pipe in the manner described above, the resin film is cooled for hardening.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4214179A JPS55133925A (en) | 1979-04-06 | 1979-04-06 | Method of applying resin to inner surface of metal pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4214179A JPS55133925A (en) | 1979-04-06 | 1979-04-06 | Method of applying resin to inner surface of metal pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55133925A true JPS55133925A (en) | 1980-10-18 |
Family
ID=12627655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4214179A Pending JPS55133925A (en) | 1979-04-06 | 1979-04-06 | Method of applying resin to inner surface of metal pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55133925A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5223181A (en) * | 1975-08-14 | 1977-02-21 | Konyoushiya Kk | Method of rubber lining inner surface of metal tube by centrifugal molding |
JPS53132046A (en) * | 1977-04-22 | 1978-11-17 | Daiichi Koshuha Kogyo Kk | Method and apparatus for lining resin to inner surface of metal pipe |
-
1979
- 1979-04-06 JP JP4214179A patent/JPS55133925A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5223181A (en) * | 1975-08-14 | 1977-02-21 | Konyoushiya Kk | Method of rubber lining inner surface of metal tube by centrifugal molding |
JPS53132046A (en) * | 1977-04-22 | 1978-11-17 | Daiichi Koshuha Kogyo Kk | Method and apparatus for lining resin to inner surface of metal pipe |
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