JPS643029A - Heat treatment for glass articles - Google Patents
Heat treatment for glass articlesInfo
- Publication number
- JPS643029A JPS643029A JP15557587A JP15557587A JPS643029A JP S643029 A JPS643029 A JP S643029A JP 15557587 A JP15557587 A JP 15557587A JP 15557587 A JP15557587 A JP 15557587A JP S643029 A JPS643029 A JP S643029A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- article
- air
- glass article
- heat treatment
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/0417—Controlling or regulating for flat or bent glass sheets
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
PURPOSE:To produce a glass article with a prescribed tempering degree in high efficiency by blowing cooling air, which has the pressure reduced rapidly from an original one, from a nozzle to the article and differing the timing of cooling from the center to the periphery. CONSTITUTION:When the strength of a glass article 3-5mm thick is increased by blowing cooing air from the nozzle to the surface of the article heated up to 550-650 deg.C, the pressure of the cooling air is rapidly reduced from 1.5kg/cm<2>G down to 0.01-0.2kg/cm<2>G, sent into the air chamber to use the area from the inside of the air chamber to the top end of the nozzle just like a shock wave tube and the glass article is cooled down from the center toward the periphery in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15557587A JPH062593B2 (en) | 1987-06-24 | 1987-06-24 | Heat treatment method for glass articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15557587A JPH062593B2 (en) | 1987-06-24 | 1987-06-24 | Heat treatment method for glass articles |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH013029A JPH013029A (en) | 1989-01-06 |
| JPS643029A true JPS643029A (en) | 1989-01-06 |
| JPH062593B2 JPH062593B2 (en) | 1994-01-12 |
Family
ID=15609047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15557587A Expired - Lifetime JPH062593B2 (en) | 1987-06-24 | 1987-06-24 | Heat treatment method for glass articles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062593B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4010718A1 (en) * | 1989-04-05 | 1990-10-11 | Central Glass Co Ltd | QUICK TEMPERATURE OF A GLASS PANEL |
-
1987
- 1987-06-24 JP JP15557587A patent/JPH062593B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4010718A1 (en) * | 1989-04-05 | 1990-10-11 | Central Glass Co Ltd | QUICK TEMPERATURE OF A GLASS PANEL |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062593B2 (en) | 1994-01-12 |
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