CN105217935A - A kind of device and method preventing sheet glass warpage - Google Patents
A kind of device and method preventing sheet glass warpage Download PDFInfo
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- CN105217935A CN105217935A CN201510509045.6A CN201510509045A CN105217935A CN 105217935 A CN105217935 A CN 105217935A CN 201510509045 A CN201510509045 A CN 201510509045A CN 105217935 A CN105217935 A CN 105217935A
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- water
- cooled tube
- sheet glass
- warpage
- open holes
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
- C03B17/067—Forming glass sheets combined with thermal conditioning of the sheets
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses a kind of device and method preventing sheet glass warpage, the liquid glass liquid comprising overflow device and overflow device can be made to flow out is shaped to the molding device of sheet glass, the zygomorphy of sheet glass is provided with some tops water-cooled tube open holes and some bottoms water-cooled tube open holes, soaking plate is provided with between the top water-cooled tube open holes of the both sides of sheet glass and sheet glass, in top water-cooled tube open holes and bottom water-cooled tube open holes, selectivity is provided with the amount of cooling water that can change corresponding to sheet glass warpage position and makes the homogeneous water-cooled tube without warpage of sheet thickness, described water-cooled tube is sectional type water-cooled tube, mutual-inserting type water-cooled tube or outer wall add telescoping water-cooled tube.The present invention, by making the various structures form water-cooled tube different with length dimension, can meet the complexity change demand of technique adjustment, the qualified non-defective unit glass substrate that final production goes out to meet consumers' demand greatly.
Description
Technical field
The invention belongs to liquid crystal glass base and manufacture field, be specifically related to a kind of device and method preventing sheet glass warpage.
Background technology
During TFT-LCD liquid crystal glass base is manufactured, high-temperature liquid state glass is formed in solid glass plate process through the shaping furnace equipment inlaying soaking plate in both sides, due to spot temperature difference each in shaping body of heater, causes thickness of glass substrate uneven, warpage is serious, easily causes glass substrate fragment.
As is known in the art, the water-cooled tube affecting sheet thickness is the homogeneous shape of thickness, utilizes homogeneous shape water-cooled tube to be comparatively difficult to resolve the difficulties that certainly sheet thickness is uneven and warpage is serious.
Summary of the invention
The object of the present invention is to provide a kind of device and method preventing sheet glass warpage, to overcome the defect that above-mentioned prior art exists, the present invention is by making the various structures form water-cooled tube different with length dimension, greatly can meet the complexity change demand of technique adjustment, the qualified non-defective unit glass substrate that final production goes out to meet consumers' demand.
For achieving the above object, the present invention adopts following technical scheme:
A kind of device preventing sheet glass warpage, the liquid glass liquid comprising overflow device and overflow device can be made to flow out is shaped to the molding device of sheet glass, the zygomorphy of sheet glass is provided with some tops water-cooled tube open holes and some bottoms water-cooled tube open holes, soaking plate is provided with between the top water-cooled tube open holes of the both sides of sheet glass and sheet glass, in top water-cooled tube open holes and bottom water-cooled tube open holes, selectivity is provided with the amount of cooling water that can change corresponding to sheet glass warpage position and makes the homogeneous water-cooled tube without warpage of sheet thickness, described water-cooled tube is sectional type water-cooled tube, mutual-inserting type water-cooled tube or outer wall add telescoping water-cooled tube.
Further, top water-cooled tube open holes has six, each three of the both sides of sheet glass; Bottom water-cooled tube open holes has six, each three of the both sides of sheet glass.
Further, sectional type water-cooled tube comprises outer wall pipe, inner side water-supply pipe is inserted with in outer wall pipe, the two ends of outer wall pipe are provided with seal cover board, outer wall pipe is provided with outer wall return line, and be provided with supporting bracket between the feed-water end of outer wall return line and inner side water-supply pipe, outer wall pipe is also provided with the pivot flange coordinated with top water-cooled tube open holes or bottom water-cooled tube open holes, sheet thickness is less than the diameter that outer wall pipe diameter corresponding to the position of its mean thickness is greater than other positions on outer wall pipe.
Further, mutual-inserting type water-cooled tube comprises the first water-cooled tube and to the second water-cooled tube, first water-cooled tube and outer wall pipe is included to the second water-cooled tube, inner side water-supply pipe is inserted with in outer wall pipe, the two ends of outer wall pipe are provided with seal cover board, outer wall pipe is provided with outer wall return line, and be provided with supporting bracket between the feed-water end of outer wall return line and inner side water-supply pipe, outer wall pipe is also provided with the pivot flange coordinated with top water-cooled tube open holes or bottom water-cooled tube open holes, first water-cooled tube and to the abutting end of the second water-cooled tube be respectively equipped with cooperatively interact to cannulate with to slotting pole, sheet thickness is greater than corresponding first water-cooled tube in position of its mean thickness and the joint to the second water-cooled tube.
Further, outer wall adds telescoping water-cooled tube and comprises outer wall pipe, inner side water-supply pipe is inserted with in outer wall pipe, the two ends of outer wall pipe are provided with seal cover board, outer wall pipe is provided with outer wall return line, and being provided with supporting bracket between the feed-water end of outer wall return line and inner side water-supply pipe, outer wall pipe is also provided with the pivot flange coordinated with top water-cooled tube open holes or bottom water-cooled tube open holes, sheet thickness is greater than outside outer wall pipe corresponding to the position of its mean thickness and is arranged with additional sleeve pipe.
Prevent a method for sheet glass warpage, comprise the following steps:
Step one: find out the warpage position on sheet glass;
Step 2: according to sheet glass warpage position, the amount of cooling water changing the water-cooled tube corresponding to warpage position makes sheet thickness homogeneous without warpage.
Further, described warpage position comprises sheet thickness and is greater than the position that the position of its mean thickness and sheet thickness be less than its mean thickness.
Further, when warpage position be sheet thickness be greater than the position of its mean thickness time, reduce the amount of cooling water of water-cooled tube corresponding to warpage position; When warpage position be sheet thickness be less than the position of its mean thickness time, increase the amount of cooling water of water-cooled tube corresponding to warpage position.
Further, the method reducing the amount of cooling water of water-cooled tube corresponding to warpage position is: sheathed additional sleeve pipe on the outer wall pipe of water-cooled tube corresponding to warpage position, or adopt two water-cooled tubes be not connected, the junction of corresponding two water-cooled tubes in warpage position.
Further, the method increasing the amount of cooling water of the water-cooled tube corresponding to warpage position is: the outer wall pipe diameter increasing water-cooled tube corresponding to warpage position.
Compared with prior art, the present invention has following useful technique effect:
Apparatus of the present invention are serious for current formed glass slab warping, water-cooled tube is single, complex forming technology cannot be met, reference mark is many, change various problem, adopt sectional type water-cooled tube, mutual-inserting type water-cooled tube or outer wall add telescoping water-cooled tube as the water-cooled tube arranged in molding device, the amount of cooling water changed corresponding to sheet glass warpage position by the water-cooled tube making different structure form makes the homogeneous water-cooled tube without warpage of sheet thickness, greatly can meet the complexity change demand of technique adjustment, the qualified non-defective unit glass substrate that final production goes out to meet consumers' demand.
Further, make the outer wall pipe diameter thickness of water-cooled tube different, sheet thickness is less than the diameter that outer wall pipe diameter corresponding to the position of its mean thickness is greater than other positions on outer wall pipe, the position that sheet glass is thinner can be made thickening, the qualified non-defective unit glass substrate that final production goes out to meet consumers' demand.
Further, adopt the first water-cooled tube and the second water-cooled tube that are not connected to inserting, then the joint amount of cooling water of the first water-cooled tube and the second water-cooled tube reduces, sheet thickness is greater than corresponding first water-cooled tube in position of its mean thickness and the joint to the second water-cooled tube, the position that sheet glass is thicker can be made thinning, the qualified non-defective unit glass substrate that final production goes out to meet consumers' demand.
Further, sheathed additional sleeve pipe on the outer wall pipe of water-cooled tube, the position amount of cooling water of sheathed additional sleeve pipe is reduced, sheet thickness is greater than outside outer wall pipe corresponding to the position of its mean thickness and is arranged with additional sleeve pipe, the position that sheet glass is thicker can be made thinning, the qualified non-defective unit glass substrate that final production goes out to meet consumers' demand.
The position of warpage is easily there is in the inventive method by finding out sheet glass in daily production, the amount of cooling water of the water-cooled tube then changed corresponding to warpage position makes sheet thickness homogeneous without warpage, greatly can meet the complexity change demand of technique adjustment, the qualified non-defective unit glass substrate that final production goes out to meet consumers' demand.
Further, when warpage position be sheet thickness be greater than the position of its mean thickness time, reduce the amount of cooling water of water-cooled tube corresponding to warpage position; When warpage position be sheet thickness be less than the position of its mean thickness time, increase the amount of cooling water of water-cooled tube corresponding to warpage position, so simply can regulate the sheet thickness of warpage position, make its thickness homogeneous without warpage.
Further, sheathed additional sleeve pipe on the outer wall pipe of water-cooled tube corresponding to warpage position, or adopt two water-cooled tubes be not connected, the junction of corresponding two water-cooled tubes in warpage position, to reduce the amount of cooling water of the water-cooled tube corresponding to warpage position; Increase the outer wall pipe diameter of water-cooled tube corresponding to warpage position, to increase the amount of cooling water of the water-cooled tube corresponding to warpage position, simple, the amount of cooling water changed corresponding to sheet glass warpage position by means of only the water-cooled tube making different structure form makes the homogeneous water-cooled tube without warpage of sheet thickness, greatly can meet the complexity change demand of technique adjustment, the qualified non-defective unit glass substrate that final production goes out to meet consumers' demand.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of apparatus of the present invention;
Fig. 2 is the structural representation of sectional type water-cooled tube in the present invention;
Fig. 3 is the structural representation of mutual-inserting type water-cooled tube in the present invention;
Fig. 4 is the structural representation that in the present invention, outer wall adds telescoping water-cooled tube.
Wherein, 1, overflow device; 2, molding device; 3, soaking plate; 4, top water-cooled tube open holes; 5, bottom water-cooled tube open holes; 6, sheet glass; 7, inner side water-supply pipe; 8, supporting bracket; 9, seal cover board; 10, pivot flange; 11, outer wall return line; 12, outer wall pipe; 13, to cannulate; 14, to slotting pole; 15, additional sleeve pipe.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
See Fig. 1 to Fig. 4, a kind of device preventing sheet glass warpage, the liquid glass liquid comprising overflow device 1 and overflow device 1 can be made to flow out is shaped to the molding device 2 of sheet glass 6, and the zygomorphy of sheet glass 6 is provided with six top water-cooled tube open holess 4, each three of the both sides of sheet glass 6; The both sides of sheet glass 6 are also symmetrically arranged with six bottom water-cooled tube open holess 5, each three of the both sides of sheet glass 6, soaking plate 3 is provided with between the top water-cooled tube open holes 4 of the both sides of sheet glass 6 and sheet glass 6, in top water-cooled tube open holes 4 and bottom water-cooled tube open holes 5, selectivity is provided with the amount of cooling water that can change corresponding to sheet glass warpage position and makes the homogeneous water-cooled tube without warpage of sheet thickness, and described water-cooled tube is sectional type water-cooled tube, mutual-inserting type water-cooled tube or outer wall add telescoping water-cooled tube.
Sectional type water-cooled tube comprises outer wall pipe 12, inner side water-supply pipe 7 is inserted with in outer wall pipe 12, the two ends of outer wall pipe 12 are provided with seal cover board 9, outer wall pipe 12 is provided with outer wall return line 11, and be provided with supporting bracket 8 between the feed-water end of outer wall return line 11 and inner side water-supply pipe 7, outer wall pipe 12 is also provided with the pivot flange 10 coordinated with top water-cooled tube open holes 4 or bottom water-cooled tube open holes 5, sheet glass 6 thickness is less than the diameter that outer wall pipe 12 diameter corresponding to the position of its mean thickness is greater than other positions on outer wall pipe 12.
Mutual-inserting type water-cooled tube comprises the first water-cooled tube and to the second water-cooled tube, first water-cooled tube and outer wall pipe 12 is included to the second water-cooled tube, inner side water-supply pipe 7 is inserted with in outer wall pipe 12, the two ends of outer wall pipe 12 are provided with seal cover board 9, outer wall pipe 12 is provided with outer wall return line 11, and be provided with supporting bracket 8 between the feed-water end of outer wall return line 11 and inner side water-supply pipe 7, outer wall pipe 12 is also provided with the pivot flange 10 coordinated with top water-cooled tube open holes 4 or bottom water-cooled tube open holes 5, first water-cooled tube and to the abutting end of the second water-cooled tube be respectively equipped with cooperatively interact to cannulate 13 with to slotting pole 14, sheet glass 6 thickness is greater than corresponding first water-cooled tube in position of its mean thickness and the joint to the second water-cooled tube.
Outer wall adds telescoping water-cooled tube and comprises outer wall pipe 12, inner side water-supply pipe 7 is inserted with in outer wall pipe 12, the two ends of outer wall pipe 12 are provided with seal cover board 9, outer wall pipe 12 is provided with outer wall return line 11, and be provided with supporting bracket 8 between the feed-water end of outer wall return line 11 and inner side water-supply pipe 7, outer wall pipe 12 is also provided with the pivot flange 10 coordinated with top water-cooled tube open holes 4 or bottom water-cooled tube open holes 5, sheet glass 6 thickness is greater than outside outer wall pipe 12 corresponding to the position of its mean thickness and is arranged with additional sleeve pipe 15.
Prevent a method for sheet glass warpage, comprise the following steps:
Step one: find out the warpage position on sheet glass, described warpage position comprises sheet thickness and is greater than the position that the position of its mean thickness and sheet thickness be less than its mean thickness;
Step 2: according to sheet glass warpage position, the amount of cooling water changing the water-cooled tube corresponding to warpage position makes sheet thickness homogeneous without warpage, when warpage position be sheet thickness be greater than the position of its mean thickness time, reduce the amount of cooling water of water-cooled tube corresponding to warpage position; When warpage position be sheet thickness be less than the position of its mean thickness time, increase the amount of cooling water of the water-cooled tube corresponding to warpage position, the method reducing the amount of cooling water of water-cooled tube corresponding to warpage position is: sheathed additional sleeve pipe on the outer wall pipe of water-cooled tube corresponding to warpage position, or adopt two water-cooled tubes be not connected, the junction of corresponding two water-cooled tubes in warpage position; The method increasing the amount of cooling water of the water-cooled tube corresponding to warpage position is: the outer wall pipe diameter increasing water-cooled tube corresponding to warpage position.
Below implementation process of the present invention is described in detail:
Liquid glass liquid is flowed down by overflow device 1, enters molding device 2, through soaking plate 3, under the cooling effect of water-cooled tube, forms the sheet glass 6 that thickness is homogeneous.After water-cooled tube is arranged on molding device both sides soaking plate, water-cooled tube amount of cooling water is adjusted by soaking plate 3, make amount of cooling water mild, avoid occurring stepped change, water-cooled tube is apart from sheet glass about 126mm, upper and lower six rows, can select to install according to the cooling total amount of water-cooled tube, can install water-cooled tube 12 altogether.
Fig. 2 is sectional type water-cooled tube: inner side water-supply pipe 7 adopts the homogeneous shape water pipe of thickness, can select Φ 8, Φ 10, Φ 12, Φ more than 14 kind of stainless steel tube; Outer wall pipe 12 each sections of size thicknesses are different, can select Φ 18, Φ 22, Φ 27, Φ more than 32 kind of stainless steel tube, when selecting water pipe, require that backwater sectional area is greater than water supply sectional area, enable water-cooled tube play sufficient cooling effect; Supporting bracket 8 welding set and inner side water-supply pipe 7 and outer wall return line 11 weld together, only as supporting role, the seal cover board 9 corresponding to exit end of inner side water-supply pipe 7, apart from exit end about the 50mm of inner side water-supply pipe 7, makes the inner side water-supply pipe 7 of water-cooled tube, outer wall pipe 12 forms a circulation seal body.Pivot flange 10 is for sealing mutually with the water-cooled tube open holes on molding device.When water-cooled tube uses, water coolant flows into from inner side water-supply pipe 7 and flows out from opposite side, flows back to through outer wall pipe 12, and due to outer wall pipe 12 diameter difference, cooling performance is different, can countermeasure sheet glass Local warping, reaches the homogeneous object without warpage of sheet thickness.
Fig. 3 mutual-inserting type water-cooled tube, when water-cooled tube uses, two water-cooled tubes are inserted from molding device both sides, to insert cannulate 13 inner to slotting pole 14, two water-cooled tubes are linked together, form mutual-inserting type water-cooled tube, water coolant passes into from the inner side water-supply pipe 7 of both sides, flows back to from both sides outer wall return line 11.Middle water pipe is not connected, and middle part cooling is more weak, can the larger sheet glass of countermeasure sheet glass thick middle warpage.
Fig. 4 outer wall adds telescoping water-cooled tube, be greater than outside outer wall pipe 12 corresponding to the position of its mean thickness at sheet glass 6 thickness and be arranged with additional sleeve pipe 15, increase water-cooled tube wall thickness, reduce water-cooled tube heat transfer efficiency, can countermeasure sheet glass local temperature too low, cause sheet glass warpage.
The problem to be solved in the present invention is that formed glass slab warping is serious, water-cooled tube is single, complex forming technology cannot be met, reference mark is many, change various problem, make the water-cooled tube that various structures form is different with length dimension, greatly can meet the complexity change demand of technique adjustment, the qualified non-defective unit glass substrate that final production goes out to meet consumers' demand.
Claims (10)
1. one kind prevents the device of sheet glass warpage, it is characterized in that, comprise overflow device (1) and liquid glass liquid that overflow device (1) flows out can be made to be shaped to the molding device (2) of sheet glass (6), the zygomorphy of sheet glass (6) is provided with some tops water-cooled tube open holes (4) and some bottoms water-cooled tube open holes (5), soaking plate (3) is provided with between top water-cooled tube open holes (4) of the both sides of sheet glass (6) and sheet glass (6), the middle selectivity in top water-cooled tube open holes (4) and bottom water-cooled tube open holes (5) is provided with the amount of cooling water that can change corresponding to sheet glass warpage position makes the homogeneous water-cooled tube without warpage of sheet thickness, described water-cooled tube is sectional type water-cooled tube, mutual-inserting type water-cooled tube or outer wall add telescoping water-cooled tube.
2. a kind of device preventing sheet glass warpage according to claim 1, is characterized in that, top water-cooled tube open holes (4) has six, each three of the both sides of sheet glass (6); Bottom water-cooled tube open holes (5) has six, each three of the both sides of sheet glass (6).
3. a kind of device preventing sheet glass warpage according to claim 1, it is characterized in that, sectional type water-cooled tube comprises outer wall pipe (12), inner side water-supply pipe (7) is inserted with in outer wall pipe (12), the two ends of outer wall pipe (12) are provided with seal cover board (9), outer wall pipe (12) is provided with outer wall return line (11), and be provided with supporting bracket (8) between the feed-water end of outer wall return line (11) and inner side water-supply pipe (7), outer wall pipe (12) is also provided with the pivot flange (10) coordinated with top water-cooled tube open holes (4) or bottom water-cooled tube open holes (5), sheet glass (6) thickness is less than the diameter that outer wall pipe (12) diameter corresponding to the position of its mean thickness is greater than outer wall pipe (12) other positions upper.
4. a kind of device preventing sheet glass warpage according to claim 1, it is characterized in that, mutual-inserting type water-cooled tube comprises the first water-cooled tube and to the second water-cooled tube, first water-cooled tube and outer wall pipe (12) is included to the second water-cooled tube, inner side water-supply pipe (7) is inserted with in outer wall pipe (12), the two ends of outer wall pipe (12) are provided with seal cover board (9), outer wall pipe (12) is provided with outer wall return line (11), and be provided with supporting bracket (8) between the feed-water end of outer wall return line (11) and inner side water-supply pipe (7), outer wall pipe (12) is also provided with the pivot flange (10) coordinated with top water-cooled tube open holes (4) or bottom water-cooled tube open holes (5), first water-cooled tube and to the abutting end of the second water-cooled tube be respectively equipped with cooperatively interact to cannulate (13) with to slotting pole (14), sheet glass (6) thickness is greater than corresponding first water-cooled tube in position of its mean thickness and the joint to the second water-cooled tube.
5. a kind of device preventing sheet glass warpage according to claim 1, it is characterized in that, outer wall adds telescoping water-cooled tube and comprises outer wall pipe (12), inner side water-supply pipe (7) is inserted with in outer wall pipe (12), the two ends of outer wall pipe (12) are provided with seal cover board (9), outer wall pipe (12) is provided with outer wall return line (11), and be provided with supporting bracket (8) between the feed-water end of outer wall return line (11) and inner side water-supply pipe (7), outer wall pipe (12) is also provided with the pivot flange (10) coordinated with top water-cooled tube open holes (4) or bottom water-cooled tube open holes (5), outer wall pipe (12) outside that sheet glass (6) thickness is greater than the position of its mean thickness corresponding is arranged with additional sleeve pipe (15).
6. prevent a method for sheet glass warpage, it is characterized in that, comprise the following steps:
Step one: find out the warpage position on sheet glass;
Step 2: according to sheet glass warpage position, the amount of cooling water changing the water-cooled tube corresponding to warpage position makes sheet thickness homogeneous without warpage.
7. a kind of method preventing sheet glass warpage according to claim 6, is characterized in that, described warpage position comprises sheet thickness and is greater than the position that the position of its mean thickness and sheet thickness be less than its mean thickness.
8. a kind of method preventing sheet glass warpage according to claim 7, is characterized in that, when warpage position be sheet thickness be greater than the position of its mean thickness time, reduce the amount of cooling water of water-cooled tube corresponding to warpage position; When warpage position be sheet thickness be less than the position of its mean thickness time, increase the amount of cooling water of water-cooled tube corresponding to warpage position.
9. a kind of method preventing sheet glass warpage according to claim 8, it is characterized in that, the method reducing the amount of cooling water of water-cooled tube corresponding to warpage position is: sheathed additional sleeve pipe on the outer wall pipe of water-cooled tube corresponding to warpage position, or adopt two water-cooled tubes be not connected, the junction of corresponding two water-cooled tubes in warpage position.
10. a kind of method preventing sheet glass warpage according to claim 8, is characterized in that, the method increasing the amount of cooling water of the water-cooled tube corresponding to warpage position is: the outer wall pipe diameter increasing water-cooled tube corresponding to warpage position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510509045.6A CN105217935A (en) | 2015-08-17 | 2015-08-17 | A kind of device and method preventing sheet glass warpage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510509045.6A CN105217935A (en) | 2015-08-17 | 2015-08-17 | A kind of device and method preventing sheet glass warpage |
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| CN105217935A true CN105217935A (en) | 2016-01-06 |
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| CN107365058A (en) * | 2017-07-27 | 2017-11-21 | 彩虹（合肥）液晶玻璃有限公司 | A kind of former and method that can adjust sheet thickness distributing homogeneity |
| WO2018121097A1 (en) | 2016-12-30 | 2018-07-05 | 东旭集团有限公司 | Composition for preparing glass, glass product and use |
| US20210380457A1 (en) * | 2018-10-05 | 2021-12-09 | Corning Incorporated | Glass forming apparatuses having injection and extraction ports and methods of cooling glass using the same |
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| US20210380457A1 (en) * | 2018-10-05 | 2021-12-09 | Corning Incorporated | Glass forming apparatuses having injection and extraction ports and methods of cooling glass using the same |
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Application publication date: 20160106 |