JPS552076A - Preparation of reinforced plastic curved tube - Google Patents
Preparation of reinforced plastic curved tubeInfo
- Publication number
- JPS552076A JPS552076A JP7584778A JP7584778A JPS552076A JP S552076 A JPS552076 A JP S552076A JP 7584778 A JP7584778 A JP 7584778A JP 7584778 A JP7584778 A JP 7584778A JP S552076 A JPS552076 A JP S552076A
- Authority
- JP
- Japan
- Prior art keywords
- core bar
- molding material
- tube
- resin
- material layer
- 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
- Moulding By Coating Moulds (AREA)
Abstract
PURPOSE: To prepare uniform curved tubes by winding a shaping core material consisting of a wire and a molding material around a core bar and curving and thermosetting these two materials after removing the core bar.
CONSTITUTION: A molding material layer 3 is formed by winding a separable film on a core bar 1, a wire 2 spirally on the film at proper intervals and further a molding material 3' comprising a strip made of glass fiber or the like and a resin such as unsaturated polyesthel impregnated in the strip. The molding material layer 3 thus formed on the core bar 1 is made to pass through a heating furnace 4 so as to increase the viscosity of the resin to such an extent that the resin is not thermoset, and then cut into a plurality of tube pieces having a predetermined length. The core bar 1 is drawn out of each tube piece and thereby a hollow tube including wire in its molding material layer 3 is obtained. A processing core bar 7 is inserted into the hollow tube for curving the tube to a predetermined angle and a thermosetting process is applied thereto. Thus a curved tube can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7584778A JPS552076A (en) | 1978-06-21 | 1978-06-21 | Preparation of reinforced plastic curved tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7584778A JPS552076A (en) | 1978-06-21 | 1978-06-21 | Preparation of reinforced plastic curved tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS552076A true JPS552076A (en) | 1980-01-09 |
Family
ID=13588003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7584778A Pending JPS552076A (en) | 1978-06-21 | 1978-06-21 | Preparation of reinforced plastic curved tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS552076A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5218744A (en) * | 1975-08-04 | 1977-02-12 | Ikegai Corp | Method and apparatus for manufacturing a thermosetting powder coating |
-
1978
- 1978-06-21 JP JP7584778A patent/JPS552076A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5218744A (en) * | 1975-08-04 | 1977-02-12 | Ikegai Corp | Method and apparatus for manufacturing a thermosetting powder coating |
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