JPS5662119A - Formation of plastic compound tube - Google Patents
Formation of plastic compound tubeInfo
- Publication number
- JPS5662119A JPS5662119A JP13910579A JP13910579A JPS5662119A JP S5662119 A JPS5662119 A JP S5662119A JP 13910579 A JP13910579 A JP 13910579A JP 13910579 A JP13910579 A JP 13910579A JP S5662119 A JPS5662119 A JP S5662119A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- contact
- mortar
- formation
- compound tube
- 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
Abstract
PURPOSE: To obtain a compound tube having an improved strength by forming an FRP layer on the outer periphery of a resinous mortar layer and in contact with a part of a reinforcing iron bar embedded into the mortar layer.
CONSTITUTION: In the compound tube 1 comprising an intermediate layer 3 made of a reinforced mortar and an inner and an outer layer 2 and 4 made FRP layer, the FRP layer 12 of the outer layer 4 is in contact with a part of the reinforcing iron bar 6 embedded in the resinous mortar 11 of the intermediate layer 3. To obtain such a construction of the tube 1, a part of the reinforcing iron bar 6 to be embedded in the intermediate layer 3 is projected out of the layer 3 to contact with a frame, so that it appears on the layer 3 when the frame is removed after formation of the layer 3. Then the FRP layer 12 of the outer layer 4 is formed around the intermediate layer 3 and in contact with the projected part of the reinforcing bar 6.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13910579A JPS5662119A (en) | 1979-10-27 | 1979-10-27 | Formation of plastic compound tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13910579A JPS5662119A (en) | 1979-10-27 | 1979-10-27 | Formation of plastic compound tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5662119A true JPS5662119A (en) | 1981-05-27 |
Family
ID=15237592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13910579A Pending JPS5662119A (en) | 1979-10-27 | 1979-10-27 | Formation of plastic compound tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5662119A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009172458A (en) * | 2008-01-21 | 2009-08-06 | Kawasetsu:Kk | Continuous flocculation treatment apparatus of polluted water |
-
1979
- 1979-10-27 JP JP13910579A patent/JPS5662119A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009172458A (en) * | 2008-01-21 | 2009-08-06 | Kawasetsu:Kk | Continuous flocculation treatment apparatus of polluted water |
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