JPS54159751A - Sheathed heater - Google Patents
Sheathed heaterInfo
- Publication number
- JPS54159751A JPS54159751A JP6936878A JP6936878A JPS54159751A JP S54159751 A JPS54159751 A JP S54159751A JP 6936878 A JP6936878 A JP 6936878A JP 6936878 A JP6936878 A JP 6936878A JP S54159751 A JPS54159751 A JP S54159751A
- Authority
- JP
- Japan
- Prior art keywords
- metal pipe
- insulation
- magnesia powder
- resin layer
- resin
- 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
- Resistance Heating (AREA)
Abstract
PURPOSE: To maintain the desirable value of the insulation resistance by forming the insulation resin layer of silicone or fluoric resin on the terminal pin and the metal pipe and fusing the resin layer by heat after charging the magnesia powder.
CONSTITUTION: The water repelling insulation resin of silicone or fluoric resin is applied on the inner wall of the metal pipe 2 and the outside surface of the terminal pin 5 before charging magnesia powder into the metal pipe 2. The applying area has to be, for example, about 50 mm from the end opening of the metal pipe 2 or the part of the terminal pin 5 that is buried in the metal pipe 2. Then, each insulation resin layer 6,6 is formed by making the applied resin semi-hardened condition by the short-time drying at the temperture of 100∼300°C. After doing so, the magnesia powder is charged into the metal pipe 2 to be re-heated to fuse and permeate the insulation resin layer into the magnesia powder 4 nearby. Therefore, the insulation resin is not heated by the heating wire.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6936878A JPS54159751A (en) | 1978-06-06 | 1978-06-06 | Sheathed heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6936878A JPS54159751A (en) | 1978-06-06 | 1978-06-06 | Sheathed heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54159751A true JPS54159751A (en) | 1979-12-17 |
Family
ID=13400537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6936878A Pending JPS54159751A (en) | 1978-06-06 | 1978-06-06 | Sheathed heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54159751A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60131785A (en) * | 1983-12-19 | 1985-07-13 | 松下電器産業株式会社 | Sheathed heater |
-
1978
- 1978-06-06 JP JP6936878A patent/JPS54159751A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60131785A (en) * | 1983-12-19 | 1985-07-13 | 松下電器産業株式会社 | Sheathed heater |
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