JPS5480578A - Making of power cable - Google Patents
Making of power cableInfo
- Publication number
- JPS5480578A JPS5480578A JP14716977A JP14716977A JPS5480578A JP S5480578 A JPS5480578 A JP S5480578A JP 14716977 A JP14716977 A JP 14716977A JP 14716977 A JP14716977 A JP 14716977A JP S5480578 A JPS5480578 A JP S5480578A
- Authority
- JP
- Japan
- Prior art keywords
- mixture
- semiconductive
- layers
- ferromagnetic substance
- productivity
- 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
- Manufacturing Of Electric Cables (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Abstract
PURPOSE: To heighten the productivity without reducing the electric characteristics, by coating a conductor with a semiconductive mixture containing a bridging agent and a ferromagnetic substance and by coating an insulator layer and an outside semiconductive material on said mixture and by irradiating high-frequency waves to the coatings.
CONSTITUTION: The conductor is coated with the inside semiconductive layer 2, the intermdeiate insulator layer 3 and the outside semiconductive layer 4. An antioxidant is added to polyethylene and polyethylene copolymer. This mixture is further mixed with 10 to 70% of carbon black, 0.5 to 5 % of a bridging agent such as organic peroxide and 10 to 30 % of a ferritic ferromagnetic substance. The inside and the outside semiconductive layers 2, 4 are made from the final mixture. After all the layers are coated, high-frequency waves of 10 to 1000 KHz are irradiated to the layers. The mixture is bridged by the internal heating of the ferromagnetic substance. Thereby, the productivity is heightened without reducing the electric characteristics.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14716977A JPS5952493B2 (en) | 1977-12-09 | 1977-12-09 | How to manufacture power cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14716977A JPS5952493B2 (en) | 1977-12-09 | 1977-12-09 | How to manufacture power cables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5480578A true JPS5480578A (en) | 1979-06-27 |
| JPS5952493B2 JPS5952493B2 (en) | 1984-12-20 |
Family
ID=15424135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14716977A Expired JPS5952493B2 (en) | 1977-12-09 | 1977-12-09 | How to manufacture power cables |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5952493B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020200102A1 (en) * | 2019-04-01 | 2020-10-08 | 青岛科技大学 | High-voltage direct-current cable magnetic composite semiconductive shielding layer and preparation method therefor |
-
1977
- 1977-12-09 JP JP14716977A patent/JPS5952493B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020200102A1 (en) * | 2019-04-01 | 2020-10-08 | 青岛科技大学 | High-voltage direct-current cable magnetic composite semiconductive shielding layer and preparation method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5952493B2 (en) | 1984-12-20 |
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