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
Application number
JP12798190U
Other languages
English (en)
Japanese (ja)
Other versions
JPH081596Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990127981U priority Critical patent/JPH081596Y2/ja
Publication of JPH0485687U publication Critical patent/JPH0485687U/ja
Application granted granted Critical
Publication of JPH081596Y2 publication Critical patent/JPH081596Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Resistance Heating (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
JP1990127981U 1990-11-30 1990-11-30 加熱炉用ヒータ Expired - Lifetime JPH081596Y2 (ja)

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 (US20030199744A1-20031023-C00003.png) 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 (US20030199744A1-20031023-C00003.png)

Citations (2)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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

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