JPS5575944A - Glass surface treating method - Google Patents
Glass surface treating methodInfo
- Publication number
- JPS5575944A JPS5575944A JP14663178A JP14663178A JPS5575944A JP S5575944 A JPS5575944 A JP S5575944A JP 14663178 A JP14663178 A JP 14663178A JP 14663178 A JP14663178 A JP 14663178A JP S5575944 A JPS5575944 A JP S5575944A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- polished
- temp
- ion exchange
- softening point
- 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
- Surface Treatment Of Glass (AREA)
Abstract
PURPOSE: To produce strengthened glass of high surface smoothness in a high yield by heating polished glass to a temp. below the softening point at a specified heating rate followed by ion exchange treatment.
CONSTITUTION: Base material glass is polished and worked into a predetermined form or size. This glass is suitably mirror-polished so that residual flaws become 10μ or less in size. The polished glass is then heated to a temp. below the softening point at a heating rate of 100°C/sec or less and dipped in a proper molten salt bath of a predetermined temp. to carry out ion exchange treatment.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14663178A JPS5575944A (en) | 1978-11-29 | 1978-11-29 | Glass surface treating method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14663178A JPS5575944A (en) | 1978-11-29 | 1978-11-29 | Glass surface treating method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5575944A true JPS5575944A (en) | 1980-06-07 |
JPS6158416B2 JPS6158416B2 (en) | 1986-12-11 |
Family
ID=15412093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14663178A Granted JPS5575944A (en) | 1978-11-29 | 1978-11-29 | Glass surface treating method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5575944A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58156554A (en) * | 1982-03-11 | 1983-09-17 | Nippon Electric Glass Co Ltd | Treatment of glass surface |
JPS62275045A (en) * | 1986-05-23 | 1987-11-30 | Central Glass Co Ltd | Method for chemically reinforcing polished glass |
WO2022190651A1 (en) * | 2021-03-11 | 2022-09-15 | 日本電気硝子株式会社 | Tempered glass and method for producing same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4972317A (en) * | 1972-11-13 | 1974-07-12 |
-
1978
- 1978-11-29 JP JP14663178A patent/JPS5575944A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4972317A (en) * | 1972-11-13 | 1974-07-12 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58156554A (en) * | 1982-03-11 | 1983-09-17 | Nippon Electric Glass Co Ltd | Treatment of glass surface |
JPS62275045A (en) * | 1986-05-23 | 1987-11-30 | Central Glass Co Ltd | Method for chemically reinforcing polished glass |
WO2022190651A1 (en) * | 2021-03-11 | 2022-09-15 | 日本電気硝子株式会社 | Tempered glass and method for producing same |
Also Published As
Publication number | Publication date |
---|---|
JPS6158416B2 (en) | 1986-12-11 |
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