JPH0485687U - - Google Patents
Info
- Publication number
- JPH0485687U JPH0485687U JP12798190U JP12798190U JPH0485687U JP H0485687 U JPH0485687 U JP H0485687U JP 12798190 U JP12798190 U JP 12798190U JP 12798190 U JP12798190 U JP 12798190U JP H0485687 U JPH0485687 U JP H0485687U
- Authority
- JP
- Japan
- Prior art keywords
- heating furnace
- carbon
- protective film
- reducing atmosphere
- ceramics
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims 1
Landscapes
- Resistance Heating (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990127981U JPH081596Y2 (ja) | 1990-11-30 | 1990-11-30 | 加熱炉用ヒータ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990127981U JPH081596Y2 (ja) | 1990-11-30 | 1990-11-30 | 加熱炉用ヒータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0485687U true JPH0485687U (no) | 1992-07-24 |
JPH081596Y2 JPH081596Y2 (ja) | 1996-01-17 |
Family
ID=31875461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990127981U Expired - Lifetime JPH081596Y2 (ja) | 1990-11-30 | 1990-11-30 | 加熱炉用ヒータ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH081596Y2 (no) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59134585A (ja) * | 1983-01-21 | 1984-08-02 | ティーディーケイ株式会社 | 発熱体の構造 |
JPH01208382A (ja) * | 1988-02-15 | 1989-08-22 | Tokyo Tungsten Co Ltd | コーティング剤及びそれに被覆されている発熱体 |
-
1990
- 1990-11-30 JP JP1990127981U patent/JPH081596Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59134585A (ja) * | 1983-01-21 | 1984-08-02 | ティーディーケイ株式会社 | 発熱体の構造 |
JPH01208382A (ja) * | 1988-02-15 | 1989-08-22 | Tokyo Tungsten Co Ltd | コーティング剤及びそれに被覆されている発熱体 |
Also Published As
Publication number | Publication date |
---|---|
JPH081596Y2 (ja) | 1996-01-17 |