SU592765A2 - Device for shaping glass sheets - Google Patents
Device for shaping glass sheetsInfo
- Publication number
- SU592765A2 SU592765A2 SU762341293A SU2341293A SU592765A2 SU 592765 A2 SU592765 A2 SU 592765A2 SU 762341293 A SU762341293 A SU 762341293A SU 2341293 A SU2341293 A SU 2341293A SU 592765 A2 SU592765 A2 SU 592765A2
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- glass sheets
- shaping glass
- tin
- glass
- sheet
- Prior art date
Links
Landscapes
- Laminated Bodies (AREA)
Description
етс по ней через зоны термообработки. Рамка 8 возвращаетс в исходное положение дл повторени операции формовани . Т ги 11 и 14 обеспечивают возвратно-поступательное движение рамки 10 и отсекател 13.through it through heat treatment zones. Frame 8 returns to its original position to repeat the molding operation. T gi 11 and 14 provide for the reciprocating movement of the frame 10 and the trimmer 13.
Формующую плиту 8 из графита после предварительного вакуумировани подвергают импрегнированию оловом, дл чего ее помещают в расплав олова и выдерживают в нем в течение 15 мин при избыточном давлении воздуха равном 10 атм. В результате этого поры графита заполн ютс оловом. Подвергнутую импрегнированию оловом графитовую нлигу устанавливают в ванне расплава олова при температуре расплава, равной 250°С. Затем температуру увеличивают до 1050°С и нод плиту сквозь расплав олова подают стекломассу , котора растекаетс но ней н достигает равновесной толщины. Полученный лист стекла извлекают из ванны с оловом при температуре 300°С. При этом получаетс полированна верхн поверхность образца. Это позвол ет создать между формующей плитой (подложкой) н верхней поверхностью формуемого листа 7 прослойку из жидкого олова, играющую роль смазки, преп тствующую непосредственному контакту стекла с подложкой в течение всего цикла формовани и, тем самым, обеспечивающую получение полированной верхней поверхности листа стекла.After pre-evacuation, the forming plate 8 made of graphite is subjected to tin impregnation, for which it is placed in tin melt and kept in it for 15 minutes at an excess air pressure of 10 atm. As a result, the pores of the graphite are filled with tin. Subjected to tin impregnation, a graphite sheet is installed in a tin bath at a melt temperature of 250 ° C. Then the temperature is increased to 1050 ° C and the plate node is fed through the molten tin into molten glass, which spreads but reaches the equilibrium thickness. The resulting sheet of glass is removed from the tin bath at 300 ° C. This produces a polished upper surface of the sample. This makes it possible to create a layer of liquid tin between the forming plate (substrate) and the upper surface of the molded sheet 7, which plays the role of a lubricant, preventing direct contact of the glass with the substrate during the entire molding cycle and thereby obtaining a polished upper surface of the glass sheet.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU762341293A SU592765A2 (en) | 1976-04-01 | 1976-04-01 | Device for shaping glass sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU762341293A SU592765A2 (en) | 1976-04-01 | 1976-04-01 | Device for shaping glass sheets |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU542733 Addition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU592765A2 true SU592765A2 (en) | 1978-02-15 |
Family
ID=20654662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU762341293A SU592765A2 (en) | 1976-04-01 | 1976-04-01 | Device for shaping glass sheets |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU592765A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174497A (en) * | 2020-10-16 | 2021-01-05 | 中国洛阳浮法玻璃集团有限责任公司 | Method for reducing tin defects in glass product |
-
1976
- 1976-04-01 SU SU762341293A patent/SU592765A2/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174497A (en) * | 2020-10-16 | 2021-01-05 | 中国洛阳浮法玻璃集团有限责任公司 | Method for reducing tin defects in glass product |
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