JPS56120547A - Manufacture of monitoring window - Google Patents
Manufacture of monitoring windowInfo
- Publication number
- JPS56120547A JPS56120547A JP2304480A JP2304480A JPS56120547A JP S56120547 A JPS56120547 A JP S56120547A JP 2304480 A JP2304480 A JP 2304480A JP 2304480 A JP2304480 A JP 2304480A JP S56120547 A JPS56120547 A JP S56120547A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- jig
- glass
- bonded
- monitoring window
- 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
Links
Landscapes
- Laminated Bodies (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
PURPOSE: To manufacture a monitoring window with high transparency by seal bonding a transparent glass plate to an external metal ring by melting on a seal bonding jig made of graphite, cooling the plate once, and heating it again to the m.p. of the glass or above to smoothen the glass surface contacting with the jig.
CONSTITUTION: External metal ring 1 is mounted on seal bonding jig 3 made of graphite, and transparent glass disc 2' is placed in ring 1. By heating them to about 950W1,020°C in a neutral or weakly reducing atmosphere, disc 2' is melted and bonded to ring 1. Ring 1 with disc 2' bonded is taken out of the heating furnace, once cooled, heated to about 950W1,020°C again, and cooled to obtain a monitoring window with high transparency. Glass 2 bonded to ring 1 has smooth free surface 2a and smooth jig 3 side face 2c.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55023044A JPS5924746B2 (en) | 1980-02-25 | 1980-02-25 | How to manufacture surveillance windows |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55023044A JPS5924746B2 (en) | 1980-02-25 | 1980-02-25 | How to manufacture surveillance windows |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56120547A true JPS56120547A (en) | 1981-09-21 |
JPS5924746B2 JPS5924746B2 (en) | 1984-06-12 |
Family
ID=12099448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55023044A Expired JPS5924746B2 (en) | 1980-02-25 | 1980-02-25 | How to manufacture surveillance windows |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5924746B2 (en) |
-
1980
- 1980-02-25 JP JP55023044A patent/JPS5924746B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5924746B2 (en) | 1984-06-12 |
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