JPH0289826U - - Google Patents

Info

Publication number
JPH0289826U
JPH0289826U JP16824088U JP16824088U JPH0289826U JP H0289826 U JPH0289826 U JP H0289826U JP 16824088 U JP16824088 U JP 16824088U JP 16824088 U JP16824088 U JP 16824088U JP H0289826 U JPH0289826 U JP H0289826U
Authority
JP
Japan
Prior art keywords
furnace core
core tube
quartz glass
circumferential
heat
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
JP16824088U
Other languages
English (en)
Other versions
JPH0729627Y2 (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 JP1988168240U priority Critical patent/JPH0729627Y2/ja
Publication of JPH0289826U publication Critical patent/JPH0289826U/ja
Application granted granted Critical
Publication of JPH0729627Y2 publication Critical patent/JPH0729627Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Muffle Furnaces And Rotary Kilns (AREA)

Description

【図面の簡単な説明】
第1図は本考案の第1技術手段の実施例に係る
縦型構造の炉芯管を示す断面図、第3図はその加
工手順を示す概略図、第2図は本考案の第2技術
手段の実施例に係る縦型構造の炉芯管を示す正面
図と要部拡大図、第4図は本考案と比較する為に
参照した横型構造の炉芯管を示す正面図である。 1A,1B……炉芯管、12……周壁、12a
……内径、16……耐熱性棒体、15……石英ガ
ラス管。

Claims (1)

  1. 【実用新案登録請求の範囲】 1 縦型構造の炉芯管において、ほぼ垂直に延設
    する周壁を、円周方向の肉厚をほぼ一定にしつつ
    少なくとも上方周壁に対し下方周壁が厚肉になる
    ように設定した事を特徴とする炉芯管。 2 請求項1記載の炉芯管において、前記周壁の
    内径側を少なくとも被加熱域の上方から下方に進
    むに連れ徐々に縮径して形成した事を特徴とする
    炉芯管。 3 縦型構造の石英ガラス製の炉芯管において、
    ほぼ垂直に延設する周壁外周面側に、耐熱性棒体
    を内挿した石英ガラス管を長手方向に沿つて溶着
    させるとともに、該石英ガラス管を周方向に所定
    間隔存して複数本配設した事を特徴とする炉芯管
    。 4 前記石英ガラス管の上端部を開放して耐熱性
    棒体を取り出し可能に構成した請求項3記載の炉
    芯管。
JP1988168240U 1988-12-28 1988-12-28 縦型構造の炉芯管 Expired - Lifetime JPH0729627Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988168240U JPH0729627Y2 (ja) 1988-12-28 1988-12-28 縦型構造の炉芯管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988168240U JPH0729627Y2 (ja) 1988-12-28 1988-12-28 縦型構造の炉芯管

Publications (2)

Publication Number Publication Date
JPH0289826U true JPH0289826U (ja) 1990-07-17
JPH0729627Y2 JPH0729627Y2 (ja) 1995-07-05

Family

ID=31457244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988168240U Expired - Lifetime JPH0729627Y2 (ja) 1988-12-28 1988-12-28 縦型構造の炉芯管

Country Status (1)

Country Link
JP (1) JPH0729627Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009272332A (ja) * 2008-04-30 2009-11-19 Shin Etsu Handotai Co Ltd 縦型熱処理装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62101025A (ja) * 1985-10-28 1987-05-11 Toshiba Corp 半導体製造治具
JPS62162835U (ja) * 1986-04-03 1987-10-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62101025A (ja) * 1985-10-28 1987-05-11 Toshiba Corp 半導体製造治具
JPS62162835U (ja) * 1986-04-03 1987-10-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009272332A (ja) * 2008-04-30 2009-11-19 Shin Etsu Handotai Co Ltd 縦型熱処理装置

Also Published As

Publication number Publication date
JPH0729627Y2 (ja) 1995-07-05

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