CN104291665A - Convex vacuum glass edge-sealed and opening-sealed through sealing groove and preparation method thereof - Google Patents
Convex vacuum glass edge-sealed and opening-sealed through sealing groove and preparation method thereof Download PDFInfo
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- CN104291665A CN104291665A CN201310298926.9A CN201310298926A CN104291665A CN 104291665 A CN104291665 A CN 104291665A CN 201310298926 A CN201310298926 A CN 201310298926A CN 104291665 A CN104291665 A CN 104291665A
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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
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Abstract
A convex vacuum glass edge-sealed and opening-sealed through sealing grooves includes an upper glass and a lower glass which are convex glasses. The upper glass is provided with a vacuumizing hole. Peripheries of the upper glass and the vacuumizing hole are provided with sealing bars. Peripheries of the lower glass and positions corresponding to the vacuumizing hole are provided with the sealing grooves. The peripheries of the upper glass and the lower glass are welded to each other in an edge-sealing oven at a normal pressure through a low-temperature glass solder. The vacuumizing hole is automatically sealed in a vacuum oven through a metal solder. A sealed vacuum layer is formed between the upper glass and the lower glass. The vacuum glass is simple in manufacturing technology. The vacuum glass and a tempered vacuum glass can overcome defects in the prior art, are easy to install and use, are ensured in air tightness and are enhanced in strength, heat-insulating performance and sound-insulation performance.
Description
Technical field
The present invention relates to glass post-processing technical field, particularly relate to the convex surface vacuum glass and preparation method thereof of a kind of sealing groove edge sealing, sealing.
Background technology
Vacuum glass is a kind of novel energy-saving glass, and vacuum glass not only can solve " breathing " problem of the double glazing of existing a large amount of use, and has that heat-and sound-insulating performance is good, wind pressure resistant strength is high, thickness is little and the advantage such as long service life.Vacuum glass is generally made up of two to three sheet glass, and form cavity between two adjacent sheet glass, the periphery of glass is provided with edge sealing structure, cavity forms vacuum layer after being pumped into vacuum.Vacuum glass is different according to the mode forming vacuum layer, can be divided into two kinds, a kind of is vacuum glass without bleeding point, and the edge sealing of this vacuum glass carries out in vacuum oven, along with completing of edge sealing, between two adjacent sheet glass the cavity self-assembling formation vacuum layer closed; Another kind is the vacuum glass having bleeding point, the edge sealing of this vacuum glass carries out in High Temperature Furnaces Heating Apparatus at ambient pressure, after edge sealing completes again by prefabricated bleeding point between glass the cavity closed vacuumize, finally terminate rear enclosed bleeding point bleeding, complete the making of vacuum glass.
A series of vacuum glass without bleeding point and preparation method thereof is disclosed in the patent of the vacuum glass that present invention applicant applied in October, 2012, but when utilizing low temperature glass solder edge sealing, because low temperature glass solder is made up of many oxide, at high temperature, under vacuum, the air of solder wettable and moisture, volatile substances in solder, in the gas that solder dissolves in process of production and solder, the decomposition etc. of partial oxide all can cause in solder and produce a large amount of bubbles, greatly weaken the properties especially resistance to air loss of solder, the feasibility of this kind of mode is caused to be greatly affected.The vacuum glass of existing mass production is all the vacuum glass having bleeding point, but there is complex manufacturing technology, extraction temperature low (bleeding not thorough), monolithic vacuumizes, cost is high, production capacity is low, can not make the shortcomings such as toughened vacuum glass.
Summary of the invention
Technical problem to be solved by this invention is the defect being to exist for existing bleeding point vacuum glass, the convex surface vacuum glass and preparation method thereof of a kind of sealing groove edge sealing, sealing is provided, the making method technique of this vacuum glass is simple, prepared vacuum glass and toughened vacuum glass can overcome deficiency of the prior art, effectively can ensure resistance to air loss and the transparency of vacuum glass, and its intensity and heat insulation, sound-proofing properties can be increased.
In order to solve the problems of the technologies described above, the invention provides a kind of sealing groove edge sealing, the convex surface vacuum glass of sealing, comprise glass and lower-glass, described upper glass and described lower-glass are convex glasses, described upper glass there is bleeding point, the periphery of described upper glass and described bleeding point has sealed strip, there is sealing groove the periphery of described lower-glass and the corresponding position of described bleeding point, the periphery of described upper glass and described lower-glass is by welding together in low temperature glass solder at ambient pressure edge sealing stove, described bleeding point utilizes brazing metal self-closed in vacuum oven, the vacuum layer that between described upper glass and described lower-glass, formation one is closed.
In order to solve the problems of the technologies described above, the invention provides the preparation method of convex surface vacuum glass or convex surface toughened vacuum glass, it comprises:
The first step, according to the shape of the vacuum glass of required making and two pieces of flat glasss up and down of size cutting desired size, bleeding point is made in the edge punching of upper glass, offer sealing groove at the periphery weld of lower-glass and the corresponding position of bleeding point, and edging, chamfering, cleaning and drying treatment are carried out to upper and lower two blocks of glass;
Second step, sealed strip is prepared at the periphery of upper glass and the periphery of bleeding point, sealed strip can insert in corresponding sealing groove, upper lower-glass after process is loaded hot bending die, is placed in bending furnace or annealing furnace, be warming up to the temperature 550 ~ 750 DEG C of Glass Transition, rely on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and be down to room temperature with stove, or directly carry out tempering process;
3rd step, by even spread low temperature glass solder in the sealing groove of lower-glass periphery, upper and lower glass is sent in edge sealing stove after closing sheet;
4th step, carries out heat temperature raising operation to described edge sealing stove, is warming up to more than the melt temperature of low temperature glass solder, reach edge sealing temperature, and sealed strip is under the action of gravity of glass in embedding sealing groove; Stop heating, with stove cooling, two blocks of glass hermetic weld together by low temperature glass solder, and the fire door opening edge sealing stove obtains double glazing;
5th step, loads brazing metal in the bleeding point of double glazing, and sends in vacuum oven; Described vacuum sole is vacuumized, limit heating, be evacuated to below 0.1Pa, be warming up to more than the temperature of fusion of brazing metal, brazing metal is fused into liquid, and liquid retention is in the sealing groove of lower-glass, the sealed strip of upper glass also floods in a liquid, and liquid is by bleeding point self-sealing; Stop heating, with stove cooling, brazing metal solidifies and realizes airtight sealing to bleeding point afterwards, opens vacuum oven, takes out vacuum glass;
6th step, puts into seal gum in the bleeding point of vacuum glass, Paste Product trade mark or metal decorative sheet on seal gum.
Wherein, described convex glass convex surface facing outside, convex surface bow is highly not less than 0.1mm, is preferably 1 ~ 200mm, more preferably 3 ~ 10mm.
Wherein, the periphery of described upper glass or the periphery of bleeding point are at least containing a sealed strip.
Wherein, the periphery of described lower-glass or the corresponding position of bleeding point are at least containing a sealing groove.
Wherein, the sealed strip of described upper glass is corresponding with the sealing groove of described lower-glass, and the sealed strip of described upper glass can insert in the sealing groove of described lower-glass.
Wherein, described vacuum glass can also comprise one block of intermediate glass, described intermediate glass is clipped between described upper glass and described lower-glass, described upper glass and described intermediate glass there is bleeding point, described bleeding point utilizes brazing metal self-closed in vacuum oven, and described upper glass and described lower-glass form two closed vacuum layer respectively with described intermediate glass.
Wherein, described upper glass, described intermediate glass and described lower-glass are simple glass or toughened glass or semi-tempered glass.
Wherein, described upper glass, described intermediate glass and described lower-glass are simple glass or coated glass or Low-E glass.
Wherein, described sealed strip adopts printing, printing or mechanically spraying cryogenic glass powder or the mode such as glass ink or metal paste to prepare.
Wherein, described sealing groove is formed by mechanical workout or laser processing, and preferred mechanical processing mode, as mechanical mill, mechanical cutting etc.
Wherein, the internal surface of the sealing groove of described lower-glass bleeding point corresponding position can paint metals slurry, and metal paste contributes to combining closely of brazing metal and glass.
Wherein, described brazing metal comprises low-temperature metal solder and solder, and described material is existing commercial commodity.
Further, the fusing point of described brazing metal is lower than the fusing point of low temperature glass solder, and during brazing metal fusing, the low temperature glass solder of edge sealing remains unchanged.
Further, the shape of described brazing metal is powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, in the vacuum layer of described convex surface vacuum glass not or have a small amount of upholder, convex surface vacuum glass mainly relies on convex shape to resist barometric point.
Wherein, above support is made up of metal, pottery, glass or high molecular polymer, matrix material, preferably adopts printing, sprayed glass ink or polymkeric substance preparation.
Wherein, above support has one deck or two-layer; Above support is printed on one block of glass, or is printed on two blocks of glass, is preferably printed on two blocks of glass.
Wherein, above support is column, or is strip; When upholder is printed on one block of glass, preferably cylindric; When upholder is printed on two blocks of glass simultaneously, be preferably strip, and vertical pile.
Wherein, described edge sealing stove can once heat one to several piece vacuum glass.
Further, described edge sealing stove has basic heating system and hot spot system when heating toughened glass, basis heating system can adopt the mode of Hot-blast Heating or resistive heating as nichrome wire, electrothermal tube, hot plate etc., and hot spot system can adopt the mode such as resistive heating, infrared heating, LASER HEATING, Electromagnetic Heating, microwave heating;
Further, the heating of described basis, is that burner hearth or bulk glass are heated to a lower temperature, as 300 ~ 350 DEG C, toughened glass can not be caused obviously to anneal;
Further, described local heating is that solder or glass periphery are heated to a higher temperature, as 400 ~ 450 DEG C, prevents the overall obviously annealing of toughened glass;
Wherein, described in vacuumize and bleeding point sealing, can in vacuum oven batch carry out, also can monolithic implement; Overallly can heat glass, also can local heating bleeding point.
Wherein, described vacuum oven 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 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:
Sealing groove edge sealing of the present invention, the convex surface vacuum glass of sealing on it periphery of glass and the periphery of bleeding point have sealed strip, there is sealing groove the periphery of lower-glass and the corresponding position of bleeding point, make the edge sealing of vacuum glass and seal easier, more reliable, even if sealed strip ensure that the sealing effectiveness of vacuum glass when glass deformation with the chimeric of sealing groove, there is between sealed strip and upper glass the bonding strength higher than low temperature welding glass, the chimeric of sealed strip and sealing groove increases sealing surface area between lower-glass and airtight layer thickness, the chimeric of sealed strip and sealing groove achieves the automatic-sealed of bleeding point and mass seals, under normal pressure, under low temperature glass solder edge sealing and vacuum, brazing metal sealing solves the airtight integrity problem of solder, add the tightness of vacuum layer between upper and lower glass, improve the life-span of vacuum glass, drastically increase the productivity of vacuum glass and qualification rate, reduce the production cost of vacuum glass.
Accompanying drawing explanation
Fig. 1 is the convex surface vacuum glass structural representation having upholder of the present invention;
Fig. 2 is convex surface vacuum glass structural representation of the present invention;
Fig. 3 is the convex surface vacuum glass structural representation of of the present invention pair of vacuum layer.
In figure: 1. go up glass, 2. lower-glass, 3. bleeding point, 4. low temperature glass solder, 5. sealed strip, 6. sealing groove, 7. brazing metal, 8. upholder, 9. intermediate glass, 10. seal gum, 11. product brands.
Embodiment
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how utilisation technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
Embodiment 1: see Fig. 1, vacuum glass is made up of upper glass 1 and lower-glass 2, and the periphery of two blocks of glass is welded together by low temperature glass solder 4, and centre is vacuum layer.Its making method is as follows: first according to the shape of made vacuum glass and two pieces of flat glasss of size cutting desired size, boring a through hole at the edge of upper glass 1 is bleeding point 3, sealing groove 6 is offered at the periphery of lower-glass 2 and the corresponding position of bleeding point 3, and carry out edging, chamfering and cleaning, drying, mechanical spraying technology is utilized to prepare sealed strip 5 at the periphery weld of upper glass 1 and the periphery of bleeding point 3, and with point gum machine at upper and lower glass preparation upholder 8; Secondly upper and lower two blocks of glass are loaded mould, are placed in bending furnace, be warming up to the temperature 550-750 DEG C of Glass Transition, rely on the gravity of glass self to make glass form convex surface downwards, be down to room temperature with stove, and make upholder 8 be in same level height by plane lapping method; Again by even spread low temperature glass solder 4 in the sealing groove 6 of lower-glass 2 periphery, and two pieces of glass consistencies from top to bottom are stacked together, send in edge sealing stove, be warming up to the melt temperature more than 450 DEG C of low temperature glass solder 4, stop heating, with stove cooling, two blocks of glass hermetic weld together by low temperature glass solder 4; Finally in bleeding point 3, load metallic zinc solder 7, send in vacuum oven, carry out vacuumizing and heating operation, be evacuated to below 0.1Pa, be warming up to the melt temperature more than 420 DEG C of metallic zinc solder 7, metallic zinc solder 7 is fused into liquid retention in sealing groove 6, sealed strip 5 also floods in a liquid, and liquid is by bleeding point self-sealing; Stop heating, with stove cooling, metallic zinc solder 7 condenses into solid, realizes airtight sealing to bleeding point, opens vacuum oven, takes out vacuum glass.Seal gum 10 is put into while hot as butyl rubber, the product brand 11 of covering above of seal gum 10, the upper surface flush of trade mark 11 and upper glass 1 in bleeding point.
Embodiment 2: see Fig. 2, vacuum glass is made up of upper glass 1 and lower-glass 2, two blocks of glass are toughened glass or semi-tempered glass, wherein one piece or low emissivity glass, its making method is as follows: first according to one piece of flat glass and one block of low emissivity glass of the shape of made vacuum glass and size cutting desired size, low emissivity glass is selected to be lower-glass 2, boring a through hole at the edge of upper glass 1 is bleeding point 3, sealing groove 6 is offered at the periphery of lower-glass 2 and the corresponding position of bleeding point 3, and carry out edging, chamfering and cleaning, dry, screen printing technique is utilized to print sealed strip at the periphery weld of upper glass 1 and the periphery of bleeding point 3, secondly two blocks of glass are respectively charged in two forming moulds, this forming mould has mold and bed die (i.e. formpiston and former), glass clamp is between mold and bed die, and can exert pressure make upper and lower mould close, the forming mould that glass is housed is warming up to the temperature 650-700 DEG C of Glass Transition, rely on the pressure put on forming mould to make the glass in forming mould form convex surface, remove mold immediately and carry out wind-cooling reinforcing, obtaining tempering or semi-tempered glass, again by even spread low temperature glass solder 4 in the sealing groove 6 of lower-glass 2 periphery, and two pieces of glass consistencies from top to bottom are stacked together, send in edge sealing stove, edge sealing stove and accessory has basic heating system and hot spot system, first utilize basic heating system as electric heater for heating, basal temperature is made to rise to 300 ~ 350 DEG C, low temperature glass solder is heated to melt temperature 430 ~ 450 DEG C by recycling hot spot system such as far infra-red heater, and the low temperature glass solder 4 of melting by two pieces of glass cementations together, stop heating, with stove cooling, two blocks of glass hermetic weld together by low temperature glass solder 4, finally carry out the sealing of bleeding point 3, with embodiment 1, just brazing metal 7 changes metallic tin into.
Embodiment 3: see Fig. 3, vacuum glass is made up of upper convex glass 1, intermediate glass 9 and lower convex glass 2.Its making method is as follows: first according to the shape of the vacuum glass of required making and three pieces of flat glasss of size cutting desired size, upper glass 1 and intermediate glass 9 bore a through hole respectively and forms bleeding point 3, the through hole wherein gone up on glass 1 is greater than the through hole on intermediate glass 9, sealing groove 6 is offered at intermediate glass 9 and the upper surface periphery of lower-glass 2 and the periphery of bleeding point 3 and corresponding position, and edging, chamfering are carried out to three blocks of glass, cleaning, drying treatment; Secondly sealed strip 5 is prepared at upper glass 1 and the lower surface periphery of intermediate glass 9 and the periphery of bleeding point 3 and corresponding position spraying, intermediate glass 9 is directly sent in annealing furnace and carries out tempering process, upper and lower two blocks of glass are loaded in mould, be warming up to the temperature 550 ~ 750 DEG C of Glass Transition, rely on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and carry out tempering process immediately; Again fill low temperature glass solder 4 by the peripheral sealing groove 6 of intermediate glass 9 and lower-glass 2, and described three pieces of glass consistencies from top to bottom are stacked together, ensure that sealed strip 5 is corresponding with sealing groove 6, in feeding edge sealing stove; Finally carry out the sealing of edge sealing and bleeding point 3, with embodiment 2, just brazing metal 7 changes magnesium alloy into.
All above-mentioned this intellecture properties of primary enforcement, not setting restriction this product innovation of other forms of enforcement and/or novel method.Those skilled in the art, based on the amendment of foregoing, can 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 is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a sealing groove edge sealing, the convex surface vacuum glass of sealing, it is characterized in that: comprise glass and lower-glass, described upper glass and described lower-glass are convex glasses, described upper glass and described lower-glass are simple glass or toughened glass or semi-tempered glass, described upper glass there is bleeding point, the periphery of described upper glass and described bleeding point has sealed strip, there is sealing groove the periphery of described lower-glass and the corresponding position of described bleeding point, the periphery of described upper glass and described lower-glass is by welding together in low temperature glass solder at ambient pressure edge sealing stove, described bleeding point utilizes brazing metal self-closed in vacuum oven, described brazing metal comprises low-temperature metal solder and solder, the vacuum layer that between described upper glass and described lower-glass, formation one is closed.
2. vacuum glass according to claim 1, it is characterized in that described vacuum glass can also comprise one block of intermediate glass, described intermediate glass is clipped between described upper glass and described lower-glass, described upper glass and described intermediate glass there is bleeding point, described bleeding point utilizes brazing metal self-closed in vacuum oven, and described upper glass and described lower-glass form two closed vacuum layer respectively with described intermediate glass.
3. vacuum glass according to claim 1 and 2, is characterized in that described upper glass, described intermediate glass and described lower-glass are simple glass or coated glass or Low-E glass.
4. the vacuum glass according to any one of claims 1 to 3, is characterized in that the employing of described sealed strip is printed, print or prepared by the mode of mechanically spraying cryogenic glass powder or glass ink or metal paste.
5. the vacuum glass according to any one of claims 1 to 3, is characterized in that described sealing groove adopts mechanical workout or laser processing to form.
6. the vacuum glass according to any one of claim 1 to 5, it is characterized in that described convex glass convex surface facing outside, convex surface bow high be 3 ~ 10mm.
7. the preparation method of the vacuum glass described in any one of claim 1 to 6, is characterized in that: described vacuum glass is convex surface vacuum glass or convex surface toughened vacuum glass, and preparation method is as follows:
The first step, according to the shape of the vacuum glass of required making and two pieces of flat glasss up and down of size cutting desired size, bleeding point is made in the edge punching of upper glass, offer sealing groove at the periphery weld of lower-glass and the corresponding position of bleeding point, and edging, chamfering, cleaning and drying treatment are carried out to upper and lower two blocks of glass;
Second step, sealed strip is prepared at the periphery of upper glass and the periphery of bleeding point, sealed strip can insert in corresponding sealing groove, upper lower-glass after process is loaded hot bending die, is placed in bending furnace or annealing furnace, be warming up to the temperature 550 ~ 750 DEG C of Glass Transition, rely on the gravity of glass self or externally applied forces to make glass form convex surface downwards, and be down to room temperature with stove, or directly carry out tempering process;
3rd step, by even spread low temperature glass solder in the sealing groove of lower-glass periphery, upper and lower glass is sent in edge sealing stove after closing sheet;
4th step, carries out heat temperature raising operation to described edge sealing stove, is warming up to more than the melt temperature of low temperature glass solder, reach edge sealing temperature, and sealed strip is under the action of gravity of glass in embedding sealing groove; Stop heating, with stove cooling, two blocks of glass hermetic weld together by low temperature glass solder, and the fire door opening edge sealing stove obtains double glazing;
5th step, loads brazing metal in the bleeding point of double glazing, and sends in vacuum oven; Described vacuum sole is vacuumized, limit heating, be evacuated to below 0.1Pa, be warming up to more than the temperature of fusion of brazing metal, brazing metal is fused into liquid, and liquid retention is in the sealing groove of lower-glass, the sealed strip of upper glass also floods in a liquid, and liquid is by bleeding point self-sealing; Stop heating, with stove cooling, brazing metal solidifies and realizes airtight sealing to bleeding point afterwards, opens vacuum oven, takes out vacuum glass;
6th step, puts into seal gum in the bleeding point of vacuum glass, Paste Product trade mark or metal decorative sheet on seal gum.
8. the preparation method of vacuum glass according to claim 7, is characterized in that described edge sealing stove can once heat one to several piece vacuum glass.
9. the preparation method of vacuum glass according to claim 7, is characterized in that described edge sealing stove and accessory has basic heating system and hot spot system.
10. the preparation method of vacuum glass according to claim 9, it is characterized in that described basic heating system adopt one or several of Hot-blast Heating, resistive heating, Infrared Heating and far-infrared heating, described hot spot system adopt microwave heating, Electromagnetic Heating, resistive heating, Infrared Heating and far-infrared heating one or several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298926.9A CN104291665A (en) | 2013-07-17 | 2013-07-17 | Convex vacuum glass edge-sealed and opening-sealed through sealing groove and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298926.9A CN104291665A (en) | 2013-07-17 | 2013-07-17 | Convex vacuum glass edge-sealed and opening-sealed through sealing groove and preparation method thereof |
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| CN104291665A true CN104291665A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310298926.9A Withdrawn CN104291665A (en) | 2013-07-17 | 2013-07-17 | Convex vacuum glass edge-sealed and opening-sealed through sealing groove and preparation method thereof |
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| Country | Link |
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| CN (1) | CN104291665A (en) |
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 |
| CN102951803A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex vacuum glass welded by glass solders and subjected to edge sealing by groove, and manufacturing method of glass |
-
2013
- 2013-07-17 CN CN201310298926.9A patent/CN104291665A/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 |
| CN102951803A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex vacuum glass welded by glass solders and subjected to edge sealing by groove, and manufacturing method of glass |
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Application publication date: 20150121 |
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