JPS6375800U - - Google Patents
Info
- Publication number
- JPS6375800U JPS6375800U JP17065686U JP17065686U JPS6375800U JP S6375800 U JPS6375800 U JP S6375800U JP 17065686 U JP17065686 U JP 17065686U JP 17065686 U JP17065686 U JP 17065686U JP S6375800 U JPS6375800 U JP S6375800U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- heating furnace
- attached
- viewing window
- resistant glass
- 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
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
Landscapes
- Powder Metallurgy (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Description
第１図および第２図はこの考案の実施例を示す
もので、それぞれ第１実施例、第２実施例の覗窓
の概略構成を示す断面図である。第３図は従来の
覗窓を示し、このうちイはボール弁を開いた状態
、ロはボール弁を閉じた状態をそれぞれ示す断面
図である。
１……加熱炉の壁面、２……孔、３……ノズル
、５……耐熱ガラス、６……ボール弁（締切手段
）、１０……排気管、２０……ガス導入・排気管
（排気管）。
FIGS. 1 and 2 show embodiments of this invention, and are sectional views showing the schematic configurations of viewing windows of the first embodiment and the second embodiment, respectively. FIG. 3 shows a conventional viewing window, in which A is a sectional view showing the ball valve in an open state and B is a sectional view showing the ball valve in a closed state. 1... Wall of heating furnace, 2... Hole, 3... Nozzle, 5... Heat-resistant glass, 6... Ball valve (shutoff means), 10... Exhaust pipe, 20... Gas introduction/exhaust pipe (exhaust tube).
Claims (1)
のノズルを取り付け、そのノズルの先端に透明の
耐熱ガラスを装着するとともに、前記ノズルの途
中に締切手段を取り付けてなる加熱炉における覗
窓において、前記ノズルの前記締切手段と前記耐
熱ガラスとの間に、そのノズル内部の排気を行う
排気管を接続してなることを特徴とする加熱炉に
おける覗窓。 In a viewing window in a heating furnace, a pipe-shaped nozzle is attached to the outside of a hole provided in a wall of the heating furnace, a transparent heat-resistant glass is attached to the tip of the nozzle, and a shutoff means is attached in the middle of the nozzle. A viewing window for a heating furnace, characterized in that an exhaust pipe for exhausting the inside of the nozzle is connected between the closing means of the nozzle and the heat-resistant glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17065686U JPS6375800U (en) | 1986-11-06 | 1986-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17065686U JPS6375800U (en) | 1986-11-06 | 1986-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6375800U true JPS6375800U (en) | 1988-05-20 |
Family
ID=31105575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17065686U Pending JPS6375800U (en) | 1986-11-06 | 1986-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6375800U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS572434U (en) * | 1980-06-03 | 1982-01-07 |
-
1986
- 1986-11-06 JP JP17065686U patent/JPS6375800U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS572434U (en) * | 1980-06-03 | 1982-01-07 |
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