JPS5891696U - hearth tube - Google Patents

hearth tube

Info

Publication number
JPS5891696U
JPS5891696U JP18654981U JP18654981U JPS5891696U JP S5891696 U JPS5891696 U JP S5891696U JP 18654981 U JP18654981 U JP 18654981U JP 18654981 U JP18654981 U JP 18654981U JP S5891696 U JPS5891696 U JP S5891696U
Authority
JP
Japan
Prior art keywords
hearth tube
core tube
furnace core
tube
hearth
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
Application number
JP18654981U
Other languages
Japanese (ja)
Inventor
清野　寿也
Original Assignee
日本電気ホームエレクトロニクス株式会社
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 by 日本電気ホームエレクトロニクス株式会社 filed Critical 日本電気ホームエレクトロニクス株式会社
Priority to JP18654981U priority Critical patent/JPS5891696U/en
Publication of JPS5891696U publication Critical patent/JPS5891696U/en
Pending legal-status Critical Current

Links

Landscapes

  • Crystals, And After-Treatments Of Crystals (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は熱処理装置の断面図、第２図は炉芯管の拡大横
断面図、第３図はこの考案の炉芯管の一部を断面で示し
た要部拡大正面図である。 １０・・・・・・炉芯管、１１・・・・・・外周、１２
・・・・・・螺旋状の突起部。FIG. 1 is a sectional view of the heat treatment apparatus, FIG. 2 is an enlarged cross-sectional view of the furnace core tube, and FIG. 3 is an enlarged front view of the main part showing a part of the furnace core tube of this invention in cross section. 10...Furnace core tube, 11...Outer periphery, 12
・・・・・・Spiral-shaped protrusion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 石英またはシリコンよりなる炉芯管の外周に沿って螺旋
状の突起部を設けたことを特徴とする炉芯管。A furnace core tube made of quartz or silicon, characterized in that a spiral protrusion is provided along the outer periphery of the furnace core tube.
JP18654981U 1981-12-15 1981-12-15 hearth tube Pending JPS5891696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18654981U JPS5891696U (en) 1981-12-15 1981-12-15 hearth tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18654981U JPS5891696U (en) 1981-12-15 1981-12-15 hearth tube

Publications (1)

Publication Number Publication Date
JPS5891696U true JPS5891696U (en) 1983-06-21

Family

ID=29988588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18654981U Pending JPS5891696U (en) 1981-12-15 1981-12-15 hearth tube

Country Status (1)

Country Link
JP (1) JPS5891696U (en)

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