CN103420567A - Air suction mouth of vacuum glass and manufacturing method thereof - Google Patents
Air suction mouth of vacuum glass and manufacturing method thereof Download PDFInfo
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- CN103420567A CN103420567A CN201310298508XA CN201310298508A CN103420567A CN 103420567 A CN103420567 A CN 103420567A CN 201310298508X A CN201310298508X A CN 201310298508XA CN 201310298508 A CN201310298508 A CN 201310298508A CN 103420567 A CN103420567 A CN 103420567A
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- glass
- bleeding point
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- seal box
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
An air suction mouth of vacuum glass is characterized in that the air suction mouth is manufactured by a round hole formed in an upper glass of the vacuum glass, a circular tube is manufactured to be inserted into the round hole, and the circular tube is welded together with the upper glass through high temperature; a seal box is placed on the upper surface of a lower glass, and the lower end of the circular tube can be inserted into the seal box; metal solder is placed in the air suction mouth or the circular tube after the upper glass and the lower glass are subjected to edge sealing, the air suction mouth is vacuumized, and heated to allow the metal solder to be melted into liquid, the liquid is reserved in the seal box, the lower end of the circular tube is also submerged in the liquid, the air suction mouth is sealed automatically by utilizing liquid seal principle, and the liquid is solidified after cooling down to realize air-tight sealing for the air suction mouth. Through the adoption of the method, the mass production can be realized, the production efficiency and the qualification rate of the vacuum glass and steel vacuum glass can be greatly improved, and the manufacturing cost is lowered.
Description
Technical field
The invention belongs to the vacuum glass field, relate in particular to a kind of bleeding point and making method of vacuum glass.
Background technology
Existing vacuum glass generally is comprised of two or three blocks of sheet glass, glass surrounding low temperature glass solder edge sealing, and there is small upholder centre, makes to form between two blocks of glass the thin vacuum layer of 0.1～0.2mm thickness by bleeding.Due to the heat transfer that there is no gas, transaudient, the internal surface of glass can have again transparent low thermal radiation film, so vacuum glass has well heat insulation and soundproof effect, is one of best energy-saving glass of performance.
The gordian technique of existing vacuum glass has: the one, and edge sealing, the 2nd, the laying of upholder, the 3rd, the acquisition of vacuum and maintaining.The mode that existing vacuum glass obtains vacuum mainly contains following two kinds: (1) is at first in a slice punching on glass, to prepare bleeding point, then weld the Glass tubing of bleeding on bleeding point when with low temperature glass solder, adding hot edge seal, finally heating vacuumizes and the sealing by fusing Glass tubing of bleeding, because the Glass tubing of bleeding protrudes from glass surface, so also need the bleeding point position is protected; (2) be not need prefabricated bleeding point above glass, but be placed in vacuum furnace after the glass that limit section scribbles low temperature glass solder is closed to sheet, add hot edge seal and directly form vacuum layer under vacuum.The shortcoming of first kind of way is that evacuation process is complicated, production efficiency is very low: because pump-line is very thin, vacuum layer is very thin, the resistance of bleeding is large, speed is little, and needs monolithic to extract, so production efficiency is very low; The second way can solve the shortcoming that first kind of way exists, but because low temperature glass solder is to be made by many oxide, under high temperature, vacuum, in volatile substances in the air of scolder absorption and moisture, scolder, the gas that scolder dissolves in process of production and scolder, the decomposition of partial oxide etc. all can cause a large amount of bubble of generation in scolder, the properties that has greatly weakened scolder is resistance to air loss especially, causes the feasibility of this kind of mode to be greatly affected.Also having a kind of mode is between above two kinds of modes, at prefabricated bleeding point on glass, then after the high temperature edge sealing, vacuumize again, finally utilize scolder by seal weldings such as sheet metals on bleeding point; The shortcoming of this mode is if adopt glass solder run into the difficulty identical with the second way, if adopt the brazing metal soldering how to make small and light sheet metal realize that the resistance to air loss welding will run into very large difficulty under vacuum condition, its economic benefit not necessarily is better than first kind of way.
Summary of the invention
Technical problem to be solved by this invention is the defect be for the bleeding point existence of existing vacuum glass, bleeding point of a kind of novel vacuum glass and preparation method thereof is provided, the making method technique of the bleeding point of this vacuum glass is simple, the vacuum glass of made comprises that toughened vacuum glass can overcome deficiency of the prior art, can effectively guarantee the work-ing life of the resistance to air loss of vacuum glass and heat insulation performance, prolongation vacuum glass, and can improve vacuum glass production efficiency, reduce production costs.
In order to solve the problems of the technologies described above, the invention provides a kind of bleeding point of vacuum glass, it is characterized in that: make a call to a circular hole and make bleeding point on the upper glass of vacuum glass, the end opening that is greater than suitable for reading of circular hole, producing a pipe inserts in circular hole, the bottom of pipe and circular hole is complementary, form a groove between the top of pipe and circular hole, and glass solder or metal paste are put into groove, by High Temperature Furnaces Heating Apparatus, annealing furnace or edge sealing stove, described pipe and upper glass are welded together; At the upper surface of lower-glass, a seal box is placed in the position corresponding with bleeding point, and the lower end of described pipe can be inserted in described seal box; After upper and lower glazing gasket, brazing metal is put into to described bleeding point or pipe, described bleeding point is vacuumized, also heats and make described brazing metal be fused into liquid, described liquid retention is in described seal box, the lower end of described pipe also is submerged in described liquid, utilize the hydraulic seal principle by described bleeding point self-sealing, after cooling, described liquid solidifies, and realizes the airtight sealing to described bleeding point.
Wherein, described circular hole is a V shaped hole or is comprised of the circular hole of two upper big, lower small.
Wherein, described pipe is metal tube or Glass tubing, the preferred lower end at described pipe by metal paste sintering when described pipe is Glass tubing.
Wherein, described pipe with between described upper glass together with the welding of glass solder or metal paste.
Wherein, the upper end of described pipe is lower than the upper surface of described upper glass.
Wherein, described groove can be the annular recesses of arbitrary shape.
Further, described groove is that the cross section concentric with described bleeding point is V-type or U-shaped annular recesses.
Wherein, described seal box is the circular box concentric with described bleeding point.
Further, the bottom of described seal box can be flat, can be also intermediate projections, to reduce the consumption of brazing metal.
Wherein, described seal box can be two and weld together, and the lower end of described pipe, between described two seal boxes, is suitable for larger bleeding point, to save the amount of brazing metal.
Further, during little seal box opening upwards in described two seal boxes, two seal boxes can share a base plate, and sealing respectively; Described little seal box when Open Side Down its oral area be welded on the base plate of described large seal box.
Wherein, described seal box can be arranged in the pit of lower-glass, with accurate positioning, and the height of increase seal box.
Wherein, the diameter of described seal box and highly preferably consider bleed-off passage and scolder sealed vol and determining.
Wherein, described seal box is preferably made by glass or metal.
Further, when described seal box adopts glass preparation, preferred paint metals slurry on the internal surface of seal box, and, through high temperature sintering, described metal paste contributes to the welding between brazing metal and glass.
Further, make its fusing point of material of described seal box and use the fusing point of low temperature glass solder higher than glazing gasket, guarantee that, in the glazing gasket process, described seal box does not change.
Further, described metal paste (or electric slurry) is comprised of metal powder, glass powder, organic resin and solvent etc., and described metal paste can adopt commercially available prod.
Wherein, described brazing metal comprises low-temperature metal scolder and solder, and described material is existing commercial commodity.
Further, the fusing point of described brazing metal is lower than the use temperature of fusing point or the binding agent of glass solder, and during the brazing metal fusing, glass solder or the binding agent of edge sealing remain unchanged.
Further, described brazing metal is shaped as powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, the height of described liquid is preferably close with the height of described seal box.
Wherein, described vacuumizing and the bleeding point sealing can be carried out in batches in vacuum furnace, also can implement by monolithic; Can wholely heat glass, also can the local heating bleeding point.
Wherein, described heating, can adopt conventional heating, Infrared Heating, also can adopt induction heating, LASER HEATING, can also adopt microwave heating and other suitable heating unit or heater means.
Further, described heating, can heat bulk glass, also can the local heating bleeding point.
Wherein, described bleeding point, after brazing metal sealing, then is used sealant sealing, above seal gum, is trade mark or the metal finishing sheet of product, and seal gum can be protected brazing metal, can realize two seals to bleeding point again.
Further, described seal gum preferably has secret sealing, more preferably hot melt adhesive, hot-setting adhesive or two component sealing gum.
In order to solve the problems of the technologies described above, the invention provides the making method of the bleeding point of above-mentioned vacuum glass, it comprises:
The first step, according to the size of required making bleeding point, on upper glass, bleeding point, the end opening that is greater than suitable for reading of bleeding point are made in boring;
Second step, getting a pipe inserts in bleeding point, the end opening internal diameter of the external diameter of pipe and bleeding point is complementary, the end opening of pipe and bleeding point closely cooperates, form a groove between the top of pipe and bleeding point, placing glass scolder or metal paste utilize High Temperature Furnaces Heating Apparatus or annealing furnace or edge sealing stove are welded in groove; Place a seal box concentric with bleeding point on the upper surface of lower-glass, the lower end of pipe can be enclosed within seal box;
The 3rd step, after upper and lower glazing gasket, pack brazing metal in pipe into or be placed on bleeding point, and sending in vacuum furnace;
The 4th step, to described heating under vacuum sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to the temperature of fusion of brazing metal more than, brazing metal is fused into liquid, liquid retention is in seal box, and the lower end of pipe also is submerged in liquid, and liquid is by the bleeding point self-sealing; Stop heating, with stove cooling, brazing metal solidifies realizes airtight sealing afterwards to bleeding point, opens vacuum furnace, takes out vacuum glass;
The 5th step is put into seal gum in bleeding point, Paste Product trade mark or metal finishing sheet on seal gum.
Wherein, described circular hole is a V shaped hole or is comprised of the circular hole of two upper big, lower small.
Wherein, described pipe is metal tube or Glass tubing, the preferred lower end at described pipe by metal paste sintering when described pipe is Glass tubing.
Wherein, described pipe with between described upper glass together with the welding of glass solder or metal paste.
Wherein, the upper end of described pipe is lower than the upper surface of described upper glass.
Wherein, described groove can be the annular recesses of arbitrary shape.
Further, described groove is that the cross section concentric with described bleeding point is V-type or U-shaped annular recesses.
Wherein, described seal box is the circular box concentric with described bleeding point.
Further, the bottom of described seal box can be flat, can be also intermediate projections, to reduce the consumption of brazing metal.
Wherein, described seal box can be two and weld together, and the lower end of described pipe, between described two seal boxes, is suitable for larger bleeding point, to save the amount of brazing metal.
Further, during little seal box opening upwards in described two seal boxes, two seal boxes can share a base plate, and sealing respectively; Described little seal box when Open Side Down its oral area be welded on the base plate of described large seal box.
Wherein, described seal box can be arranged in the pit of lower-glass, with accurate positioning, and the height of increase seal box.
Wherein, the diameter of described seal box and highly preferably consider bleed-off passage and scolder sealed vol and determining.
Wherein, described seal box is preferably made by glass or metal.
Further, when described seal box adopts glass preparation, preferred paint metals slurry on the internal surface of seal box, and, through high temperature sintering, described metal paste contributes to the welding between brazing metal and glass.
Further, make its fusing point of material of described seal box and use the fusing point of low temperature glass solder higher than glazing gasket, guarantee that, in the glazing gasket process, described seal box does not change.
Further, described metal paste (or electric slurry) is comprised of metal powder, glass powder, organic resin and solvent etc., and described metal paste can adopt commercially available prod.
Wherein, described brazing metal comprises low-temperature metal scolder and solder, and described material is existing commercial commodity.
Further, the fusing point of described brazing metal is lower than the use temperature of fusing point or the binding agent of glass solder, and during the brazing metal fusing, glass solder or the binding agent of edge sealing remain unchanged.
Further, described brazing metal is shaped as powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, the height of described liquid is preferably close with the height of described seal box.
Wherein, described vacuumizing and the bleeding point sealing can be carried out in batches in vacuum furnace, also can implement by monolithic; Can wholely heat glass, also can the local heating bleeding point.
Wherein, described heating, can adopt conventional heating, Infrared Heating, also can adopt induction heating, LASER HEATING, can also adopt microwave heating and other suitable heating unit or heater means.
Further, described heating, can heat bulk glass, also can the local heating bleeding point.
Wherein, described seal gum preferably has secret sealing, more preferably hot melt adhesive, hot-setting adhesive or two component sealing gum.
Beneficial effect of the present invention:
The bleeding point of vacuum glass of the present invention, with reference to " water seal " structure of the floor drain of falling the bell-jar, according to the hydraulic seal principle, utilize under high temperature the metal that is fused into liquid to realize the self-sealing to bleeding point, the bleeding point of vacuum glass of the present invention is simple in structure, it is reliable, convenient for production, with low cost to seal, directly sealing in vacuum oven, avoided the existing possibility of Glass tubing in melting moment air inlet of bleeding, and can improve the exhaust temperature of glass, glass absorption and dissolved gases are thoroughly got rid of, under vacuum condition, chemical transformation can not occur in brazing metal, solidify rear resistance to air loss good, can effectively guarantee the vacuum tightness of vacuum glass vacuum layer, with the bleeding point of existing vacuum glass, compare, its size of bleeding point of the present invention can be very large, its bleed-off passage sectional area is tens times to tens times of the existing Glass tubing of bleeding, the resistance of bleeding, inside and outside differential pressure is less, pumping speed, the vacuum tightness of vacuum layer is higher, thereby be conducive to improve the heat insulation of vacuum glass, sound-proofing properties, extend its work-ing life, self-sealing in vacuum oven, can mass production, can greatly improve vacuum glass production efficiency and qualification rate, reduce production costs, the fusing point of brazing metal is easy to select, and can carry out the integral body heating and guarantee that toughened glass is unannealed toughened glass, realizes mass making toughened vacuum glass.
The accompanying drawing explanation
The structural representation of the bleeding point that Fig. 1 is vacuum glass of the present invention;
The structural representation of the bleeding point that Fig. 2 is lower-glass of the present invention vacuum glass that two seal boxes are arranged.
In figure: 1. upper glass, 2. lower-glass, 3. pipe, 4. glass solder, 5. seal box, 6. brazing metal, 7. seal gum, 8. trade mark or tinsel.
Embodiment
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how the utilisation technology means solve technical problem whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.
Embodiment 1: referring to Fig. 1, vacuum glass is comprised of upper glass 1 and lower-glass 2, bore a V-type through hole and form bleeding point on upper glass 1, producing a metal circular tube 3 inserts in bleeding point, the top of pipe 3 is lower than the upper surface of upper glass 1, and pipe 3 closely cooperates with the end opening of bleeding point, forms a groove between the top of pipe 3 and bleeding point, scolder 4 is placed in the bottom of groove, scolder 4 is glass solder or metal paste, when edge sealing, pipe 3 and upper glass 1 is welded together; Place a seal box 5 concentric with bleeding point on the upper surface of lower-glass 2, seal box 5 is can, can by bonding mode, be fixed on lower-glass 2, and the lower end of pipe 3 can be inserted in seal box 5, between pipe 3 and seal box 5, is bleed-off passage; Then utilize low temperature glass solder upper lower-glass after involution piece in the constant-pressure and high-temperature stove to carry out edge sealing, glass after edge sealing takes out from High Temperature Furnaces Heating Apparatus, while hot brazing metal 6 is put into to pipe 3 or is placed on bleeding point as tin alloy, send in vacuum furnace with being about to glass, can once send into multiple pieces of glass; To the heating under vacuum sole vacuumize, limit heating, be evacuated to below 0.1Pa, be warming up to the temperature of fusion of brazing metal 6 tin alloys as more than 300 ℃, brazing metal 6 tin alloys are fused into liquid retention in seal box 5, the lower end of pipe 3 also is submerged in liquid, and liquid is by the bleeding point self-sealing; Stop heating, lower the temperature with stove, brazing metal 6 tin alloys condense into solid, and bleeding point is realized to airtight sealing, open vacuum furnace, take out vacuum glass.
Embodiment 2: referring to Fig. 2, substantially the same manner as Example 1, difference is that bleeding point is comprised of the circular hole of two upper big, lower small, pipe 3 closely cooperates with little circular hole, pipe 3 changes Glass tubing into and the lower end at described pipe 3 by the metal paste sintering, placing toughened glass printing ink 4 in groove, make itself and pipe 3 weld together during upper glass 1 tempering; On the upper surface of lower-glass 2, a pit is opened in the position corresponding with bleeding point, and seal box 5 is placed in pit, and seal box 5 is two glass cases of size, on the internal surface of large glass case, scribbles metal paste and by high temperature, two glass cases is sintered together; The lower end of pipe 3 can be inserted between two seal boxes 5, and forms bleed-off passage; Brazing metal 6 changes magnesium alloy into, and brazing metal 6 condenses into after solid realizes airtight sealing to bleeding point, opens vacuum furnace, takes out vacuum glass.Put into while hot seal gum 7 as butyl rubber in bleeding point, the top covering product brand 8 of seal gum 7, the upper surface flush of trade mark 8 and upper glass 1.
All above-mentioned these intellecture properties of primary enforcement, do not set restriction this product innovation of other forms of enforcement and/or novel method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on product innovation of the present invention.
The above, be only preferred embodiment of the present invention, is not the present invention to be done to the restriction of other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. the bleeding point of a vacuum glass, it is characterized in that: make a call to a circular hole and make bleeding point on the upper glass of vacuum glass, the end opening that is greater than suitable for reading of circular hole, producing a pipe inserts in circular hole, the bottom of pipe and circular hole is complementary, form a groove between the top of pipe and circular hole, glass solder or metal paste are put into groove, by High Temperature Furnaces Heating Apparatus, annealing furnace or edge sealing stove, described pipe and upper glass are welded together; At the upper surface of lower-glass, a seal box is placed in the position corresponding with bleeding point, and the lower end of described pipe can be inserted in described seal box; After upper and lower glazing gasket, brazing metal is put into to described bleeding point or pipe, described bleeding point is vacuumized, also heats and make described brazing metal be fused into liquid, described liquid retention is in described seal box, the lower end of described pipe also is submerged in described liquid, utilize the hydraulic seal principle by described bleeding point self-sealing, after cooling, described liquid solidifies, and realizes the airtight sealing to described bleeding point.
2. the bleeding point of vacuum glass as claimed in claim 1 is characterized in that: described seal box is two and welds together, and the lower end of described pipe is between described two seal boxes.
3. the bleeding point of vacuum glass as claimed in claim 2 is characterized in that: its opening of little seal box in described two seal boxes be upwards or downward.
4. the bleeding point of vacuum glass as claimed in claim 1, it is characterized in that: described seal box is made by glass or metal, when described seal box is glass, on its internal surface, metal paste is arranged.
5. the bleeding point of vacuum glass as claimed in claim 1, it is characterized in that: the bottom of described seal box is flat or intermediate projections.
6. as the bleeding point of claim 1 or 5 described vacuum glass, it is characterized in that: described pipe is made by glass or metal, the preferred lower end at described pipe by metal paste sintering when described pipe is glass.
7. the bleeding point of vacuum glass as claimed in claim 1, it is characterized in that: described brazing metal comprises low-temperature metal scolder and solder.
8. the bleeding point of vacuum glass as claimed in claim 1 is characterized in that: described to vacuumize with bleeding point sealing be to utilize process furnace whole heating glass or local heating bleeding point, carry out in batches or monolithic is implemented.
9. as the bleeding point of the described vacuum glass of claim 1 to 8 any one, it is characterized in that: described bleeding point, after brazing metal sealing, then is used sealant sealing, above seal gum, is trade mark or the metal finishing sheet of product.
10. the making method of the bleeding point of the described vacuum glass of claim 1 to 9 any one, is characterized in that, comprising:
The first step, according to the size of required making bleeding point, on upper glass, bleeding point, the end opening that is greater than suitable for reading of bleeding point are made in boring;
Second step, getting a pipe inserts in bleeding point, the end opening internal diameter of the external diameter of pipe and bleeding point is complementary, the end opening of pipe and bleeding point closely cooperates, form a groove between the top of pipe and bleeding point, placing glass scolder or metal paste utilize High Temperature Furnaces Heating Apparatus or annealing furnace or edge sealing stove are welded in groove; Place a seal box concentric with bleeding point on the upper surface of lower-glass, the lower end of pipe can be enclosed within seal box;
The 3rd step, after upper and lower glazing gasket, pack brazing metal in pipe into or be placed on bleeding point, and sending in vacuum furnace;
The 4th step, to described heating under vacuum sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to the temperature of fusion of brazing metal more than, brazing metal is fused into liquid, liquid retention is in seal box, and the lower end of pipe also is submerged in liquid, and liquid is by the bleeding point self-sealing; Stop heating, with stove cooling, brazing metal solidifies realizes airtight sealing afterwards to bleeding point, opens vacuum furnace, takes out vacuum glass;
The 5th step is put into seal gum in bleeding point, Paste Product trade mark or metal finishing sheet on seal gum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298508XA CN103420567A (en) | 2013-07-17 | 2013-07-17 | Air suction mouth of vacuum glass and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310298508XA CN103420567A (en) | 2013-07-17 | 2013-07-17 | Air suction mouth of vacuum glass and manufacturing method thereof |
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| CN103420567A true CN103420567A (en) | 2013-12-04 |
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| CN201310298508XA Withdrawn CN103420567A (en) | 2013-07-17 | 2013-07-17 | Air suction mouth of vacuum glass and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105461240A (en) * | 2015-12-05 | 2016-04-06 | 重庆天和玻璃有限公司 | Slope type vacuum glass extract opening sealing structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676481A (en) * | 2004-04-01 | 2005-10-05 | 唐健正 | vacuum glass edge heating method and vacuum glass made thereby |
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102976592A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using metal welding material and provided with strip frame edge sealing, and manufacturing method thereof |
-
2013
- 2013-07-17 CN CN201310298508XA patent/CN103420567A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676481A (en) * | 2004-04-01 | 2005-10-05 | 唐健正 | vacuum glass edge heating method and vacuum glass made thereby |
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102976592A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using metal welding material and provided with strip frame edge sealing, and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105461240A (en) * | 2015-12-05 | 2016-04-06 | 重庆天和玻璃有限公司 | Slope type vacuum glass extract opening sealing structure |
| CN105461240B (en) * | 2015-12-05 | 2018-04-20 | 重庆天和玻璃有限公司 | Ramp type vacuum glass pumping hole sealing structure |
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