JPS56100153A - Glass tempering method - Google Patents
Glass tempering methodInfo
- Publication number
- JPS56100153A JPS56100153A JP323580A JP323580A JPS56100153A JP S56100153 A JPS56100153 A JP S56100153A JP 323580 A JP323580 A JP 323580A JP 323580 A JP323580 A JP 323580A JP S56100153 A JPS56100153 A JP S56100153A
- Authority
- JP
- Japan
- Prior art keywords
- article
- glass
- contg
- copper
- layer
- 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
Landscapes
- Surface Treatment Of Glass (AREA)
Abstract
PURPOSE: To increase the strength of a glass article by introducing copper into the glass surface by ion exchange at a high temp. to form a glass layer of low expansion and producing compressive stress in the surface layer at the time of cooling.
CONSTITUTION: Glass contg. alkali oxide, B2O3, Al2O3 and SiO2 as principal components is formed into an article of desired shape. This article is dipped in copper- contg. salt or a mixture of the salt at a high temp. to form a copper-contg. layer of low expansion on the surface of the article by ion exchange. As a result, compressive stress is produced in the surface layer to increase the strength of the article.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP323580A JPS56100153A (en) | 1980-01-16 | 1980-01-16 | Glass tempering method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP323580A JPS56100153A (en) | 1980-01-16 | 1980-01-16 | Glass tempering method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56100153A true JPS56100153A (en) | 1981-08-11 |
Family
ID=11551781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP323580A Pending JPS56100153A (en) | 1980-01-16 | 1980-01-16 | Glass tempering method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56100153A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04338138A (en) * | 1991-05-10 | 1992-11-25 | Tadashi Yasui | Bactericidal glass and its production |
-
1980
- 1980-01-16 JP JP323580A patent/JPS56100153A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04338138A (en) * | 1991-05-10 | 1992-11-25 | Tadashi Yasui | Bactericidal glass and its production |
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