JPH0449495B2 - - Google Patents
Info
- Publication number
- JPH0449495B2 JPH0449495B2 JP62172945A JP17294587A JPH0449495B2 JP H0449495 B2 JPH0449495 B2 JP H0449495B2 JP 62172945 A JP62172945 A JP 62172945A JP 17294587 A JP17294587 A JP 17294587A JP H0449495 B2 JPH0449495 B2 JP H0449495B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- temperature
- difficult
- poise
- composition
- 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.)
- Expired - Lifetime
Links
- 239000011521 glass Substances 0.000 claims description 53
- 239000000203 mixture Substances 0.000 claims description 18
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 239000005357 flat glass Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000002787 reinforcement Effects 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- 238000004031 devitrification Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 239000005329 float glass Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000005341 toughened glass Substances 0.000 description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000005346 heat strengthened glass Substances 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000003426 chemical strengthening reaction Methods 0.000 description 1
- 239000005345 chemically strengthened glass Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 239000006058 strengthened glass Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Landscapes
- Glass Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17294587A JPS6418937A (en) | 1987-07-13 | 1987-07-13 | Improved glass composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17294587A JPS6418937A (en) | 1987-07-13 | 1987-07-13 | Improved glass composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6418937A JPS6418937A (en) | 1989-01-23 |
| JPH0449495B2 true JPH0449495B2 (pl) | 1992-08-11 |
Family
ID=15951264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17294587A Granted JPS6418937A (en) | 1987-07-13 | 1987-07-13 | Improved glass composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6418937A (pl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09208246A (ja) * | 1995-10-16 | 1997-08-12 | Central Glass Co Ltd | 防火ガラス |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071796A (en) * | 1989-08-14 | 1991-12-10 | Ppg Industries, Inc. | Flat glass composition with improved melting and tempering properties |
| JP5024487B1 (ja) * | 2011-02-01 | 2012-09-12 | 旭硝子株式会社 | 磁気ディスク用ガラス基板の製造方法 |
| EP2990387B1 (en) * | 2013-04-24 | 2022-08-03 | AGC Inc. | Molten glass conduit structure and device and method using conduit structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5249010A (en) * | 1975-10-17 | 1977-04-19 | Hitachi Denshi Ltd | Method of forming gaps of magnetic head |
| JPS5440815A (en) * | 1977-09-06 | 1979-03-31 | Asahi Glass Co Ltd | Glass for fiber use |
| JPS5523221A (en) * | 1978-08-03 | 1980-02-19 | Ebisu Kiko Kk | Simultaneous driver for steel sheet-piles |
-
1987
- 1987-07-13 JP JP17294587A patent/JPS6418937A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5249010A (en) * | 1975-10-17 | 1977-04-19 | Hitachi Denshi Ltd | Method of forming gaps of magnetic head |
| JPS5440815A (en) * | 1977-09-06 | 1979-03-31 | Asahi Glass Co Ltd | Glass for fiber use |
| JPS5523221A (en) * | 1978-08-03 | 1980-02-19 | Ebisu Kiko Kk | Simultaneous driver for steel sheet-piles |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09208246A (ja) * | 1995-10-16 | 1997-08-12 | Central Glass Co Ltd | 防火ガラス |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6418937A (en) | 1989-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |