JPH0469894U - - Google Patents
Info
- Publication number
- JPH0469894U JPH0469894U JP11306890U JP11306890U JPH0469894U JP H0469894 U JPH0469894 U JP H0469894U JP 11306890 U JP11306890 U JP 11306890U JP 11306890 U JP11306890 U JP 11306890U JP H0469894 U JPH0469894 U JP H0469894U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- tube
- silicon nitride
- heater tube
- nitride ceramic
- 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
Links
- 239000000919 ceramic Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 3
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Resistance Heating (AREA)
Description
第１図は、本考案のセラミツクスヒーターチユ
ーブを示す説明図、第２図は、従来のヒーターチ
ユーブを示す説明図である。
１……ヒーターチユーブ本体、２……金属溶湯
、３……保護筒、４……ヒーター。
FIG. 1 is an explanatory diagram showing a ceramic heater tube of the present invention, and FIG. 2 is an explanatory diagram showing a conventional heater tube. 1... Heater tube body, 2... Molten metal, 3... Protective tube, 4... Heater.
Claims (1)
ル用ヒーターの保護のために用いるセラミツクス
製ヒーターチユーブに対し、このヒーターチユー
ブが湯面と接する位置付近に、窒化けい素質セラ
ミツクス製保護筒を嵌着したことを特徴とするヒ
ーターチユーブ。 ２ 窒化けい素質セラミツク製保護筒は、肉厚が
１〜５mmのものを用いることを特徴とする請求項
１に記載のヒーターチユーブ。 ３ 保護筒に用いる窒化けい素質セラミツクスは
、耐熱衝撃性が６００℃以上であり、かつ気孔率
１％以下を示す特性のものである請求項１または
２に記載のヒーターチユーブ。[Scope of Claim for Utility Model Registration] 1. For a ceramic heater tube used to protect a temperature control heater that is immersed in molten metal, a silicon nitride ceramic is placed near the position where the heater tube contacts the molten metal surface. A heater tube characterized by a protective tube made of aluminum. 2. The heater tube according to claim 1, wherein the silicon nitride ceramic protective tube has a wall thickness of 1 to 5 mm. 3. The heater tube according to claim 1 or 2, wherein the silicon nitride ceramic used for the protective tube has a thermal shock resistance of 600° C. or more and a porosity of 1% or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11306890U JPH0469894U (en) | 1990-10-30 | 1990-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11306890U JPH0469894U (en) | 1990-10-30 | 1990-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0469894U true JPH0469894U (en) | 1992-06-19 |
Family
ID=31860610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11306890U Pending JPH0469894U (en) | 1990-10-30 | 1990-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0469894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006218529A (en) * | 2005-02-14 | 2006-08-24 | Yokohama Rubber Co Ltd:The | Gravity casting method and device therefor |
-
1990
- 1990-10-30 JP JP11306890U patent/JPH0469894U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006218529A (en) * | 2005-02-14 | 2006-08-24 | Yokohama Rubber Co Ltd:The | Gravity casting method and device therefor |
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