JPH0155554B2 - - Google Patents
Info
- Publication number
- JPH0155554B2 JPH0155554B2 JP7620681A JP7620681A JPH0155554B2 JP H0155554 B2 JPH0155554 B2 JP H0155554B2 JP 7620681 A JP7620681 A JP 7620681A JP 7620681 A JP7620681 A JP 7620681A JP H0155554 B2 JPH0155554 B2 JP H0155554B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- sheathed heater
- insulating powder
- resistance value
- insulation resistance
- 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.)
- Expired
Links
- 239000000843 powder Substances 0.000 claims description 80
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 229910044991 metal oxide Inorganic materials 0.000 claims description 16
- 150000004706 metal oxides Chemical class 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 26
- 238000009413 insulation Methods 0.000 description 20
- 239000000395 magnesium oxide Substances 0.000 description 13
- 229910000480 nickel oxide Inorganic materials 0.000 description 10
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 10
- 239000011812 mixed powder Substances 0.000 description 7
- 150000002815 nickel Chemical class 0.000 description 6
- 238000010292 electrical insulation Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000005204 segregation Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 239000005350 fused silica glass Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229920006015 heat resistant resin Polymers 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 150000002258 gallium Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001293 incoloy Inorganic materials 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 150000003657 tungsten Chemical class 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
- Inorganic Insulating Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7620681A JPS57191978A (en) | 1981-05-19 | 1981-05-19 | Method of producing sheathed heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7620681A JPS57191978A (en) | 1981-05-19 | 1981-05-19 | Method of producing sheathed heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57191978A JPS57191978A (en) | 1982-11-25 |
| JPH0155554B2 true JPH0155554B2 (en, 2012) | 1989-11-24 |
Family
ID=13598683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7620681A Granted JPS57191978A (en) | 1981-05-19 | 1981-05-19 | Method of producing sheathed heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57191978A (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6077305A (ja) * | 1983-10-04 | 1985-05-01 | タテホ化学工業株式会社 | 超高温シーズヒータの電気絶縁充填材料の製造方法 |
-
1981
- 1981-05-19 JP JP7620681A patent/JPS57191978A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57191978A (en) | 1982-11-25 |
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