JPS54142276A - Drawing of high polymer material - Google Patents
Drawing of high polymer materialInfo
- Publication number
- JPS54142276A JPS54142276A JP5013478A JP5013478A JPS54142276A JP S54142276 A JPS54142276 A JP S54142276A JP 5013478 A JP5013478 A JP 5013478A JP 5013478 A JP5013478 A JP 5013478A JP S54142276 A JPS54142276 A JP S54142276A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- valves
- polymer material
- high polymer
- oil
- 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
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE: To improve the degree of orientation and transparency of a high polymer material, by drawing the material under a hydrostatic pressure.
CONSTITUTION: The oil fed from the tank 5 is pressurized by the compressor 4 and sent to the pressure buffers 7a and 7b to close the valves V1 and V4. The hydraulic pressure is determined by the manganin wires 8a and 8b to control the valves V2 and V3 for feeding the oil. The pressure of the top high-pressure chamber 10 is set to X; the pressure of the bottom chamber 11, to Y (Y<X). The chuck 12b is lowered according to the pressure difference (X-Y) while holding the sample 19. The displacement is detected by the differential transformer 18 to operate in response to the magnetic core 17. According to the method, the differential pressure, i.e. drawing tension, will not lower by the drawing, and the operation can be performed simply and easily.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5013478A JPS54142276A (en) | 1978-04-28 | 1978-04-28 | Drawing of high polymer material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5013478A JPS54142276A (en) | 1978-04-28 | 1978-04-28 | Drawing of high polymer material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54142276A true JPS54142276A (en) | 1979-11-06 |
Family
ID=12850663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5013478A Pending JPS54142276A (en) | 1978-04-28 | 1978-04-28 | Drawing of high polymer material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54142276A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60183122A (en) * | 1984-02-29 | 1985-09-18 | Asahi Chem Ind Co Ltd | Manufacturing of polyacetal of high strength and coefficient of high elasticity |
JPS61202820A (en) * | 1985-03-05 | 1986-09-08 | Asahi Chem Ind Co Ltd | Manufacture of highly dense and resilient macromolecular material in continuous length |
-
1978
- 1978-04-28 JP JP5013478A patent/JPS54142276A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60183122A (en) * | 1984-02-29 | 1985-09-18 | Asahi Chem Ind Co Ltd | Manufacturing of polyacetal of high strength and coefficient of high elasticity |
JPH0257012B2 (en) * | 1984-02-29 | 1990-12-03 | Asahi Chemical Ind | |
JPS61202820A (en) * | 1985-03-05 | 1986-09-08 | Asahi Chem Ind Co Ltd | Manufacture of highly dense and resilient macromolecular material in continuous length |
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