CN104291650A - Microwave-heated convex double-vacuum-layer glass edge-sealed and opening-sealed with sealing bar and sealing groove - Google Patents
Microwave-heated convex double-vacuum-layer glass edge-sealed and opening-sealed with sealing bar and sealing groove Download PDFInfo
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- CN104291650A CN104291650A CN201310298888.7A CN201310298888A CN104291650A CN 104291650 A CN104291650 A CN 104291650A CN 201310298888 A CN201310298888 A CN 201310298888A CN 104291650 A CN104291650 A CN 104291650A
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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 microwave-heated convex double-vacuum-layer glass edge-sealed and opening-sealed with sealing bars and sealing grooves. The flat double-vacuum-layer glass includes an upper glass, a lower glass and a middle glass and is characterized in that the upper glass and the lower glass are convex glasses and the middle glass is a flat glass. The upper glass and the middle glass are provided with vacuumizing holes. Lower surfaces of the upper glass and the middle glass and periphery of the vacuumizing hole are provided with the sealing bars. The peripheries of upper surfaces of the middle glass and the lower glass and the positions corresponding to the vacuumizing holes are provided with the sealing grooves and the sealing bars. Peripheries of the three glasses are welded to each other in a microwave oven at a room temperature through a low-temperature glass solder. The vacuumizing hole is automatically sealed by a metal solder in a vacuum oven. Two sealed vacuum layers are respectively between the three glasses. The convex double-vacuum-layer glass is simple in manufacturing technology. The flat double-vacuum-layer glass and a tempered flat double-vacuum-layer glass 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, two vacuum layer glass of convex surface particularly relating to the sealing of a kind of microwave heating seal strip groove edge sealing and preparation method thereof.
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.
Disclose vacuum glass of a series of microwave heating welding and preparation method thereof in the patent of the vacuum glass that present invention applicant applied in October, 2012, but easily there is the phenomenon of rarefied gas ionization sparking under vacuo in microwave heating.
Summary of the invention
Technical problem to be solved by this invention is the defect being to exist for existing bleeding point vacuum glass, two vacuum layer glass of the convex surface providing a kind of microwave heating seal strip groove edge sealing to seal and preparation method thereof, 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 the two vacuum layer glass of convex surface of a kind of microwave heating seal strip groove edge sealing sealing, comprise glass, intermediate glass and lower-glass, described upper glass and lower-glass are convex glasses, described intermediate glass is flat glass, described upper glass and intermediate glass there is bleeding point, the periphery of described upper glass and described bleeding point has sealed strip, there are sealed strip and sealing groove in the periphery of described lower-glass and the corresponding position of described bleeding point, the periphery of described upper glass and described lower-glass and described intermediate glass is by welding together in low temperature glass solder at ambient pressure microwave oven, described bleeding point utilizes brazing metal self-closed in vacuum oven, described upper glass and form two closed vacuum layer between described lower-glass and described intermediate glass.
In order to solve the problems of the technologies described above, the invention provides the preparation method of the two vacuum layer glass of convex surface or the two vacuum layer glass of convex surface tempering, it comprises:
The first step, according to the shape of the two vacuum layer glass of the convex surface of required making and three pieces of flat glasss of size cutting desired size, bleeding point is made in the edge punching of upper glass and intermediate glass, offer sealing groove at lower-glass and the periphery weld of intermediate glass and the corresponding position of bleeding point, and edging, chamfering, cleaning and drying treatment are carried out to three blocks of glass;
Second step, sealed strip is prepared at the periphery of upper glass and the periphery of intermediate glass lower surface, the periphery of bleeding point and sealing groove, sealed strip on upper glass and intermediate glass 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 carry out tempering process; Intermediate glass directly carries out high temperature sintering or tempering process;
3rd step, by even spread low temperature glass solder in the sealing groove of intermediate glass and lower-glass periphery, sends in microwave oven after three blocks of glass close sheets;
4th step, carries out heat temperature raising operation to described microwave oven, is warming up to more than the melt temperature of low temperature glass solder, reaches edge sealing temperature, and the sealed strip on upper glass and intermediate glass embeds in corresponding sealing groove under the action of gravity of glass; Stop heating, with stove cooling, three blocks of glass hermetic weld together by low temperature glass solder, and the fire door opening microwave oven 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, liquid retention is in the sealing groove of intermediate glass and lower-glass, the sealed strip of upper glass and intermediate 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, take out the two vacuum layer glass of convex surface;
6th step, puts into seal gum, Paste Product trade mark or metal decorative sheet on seal gum in the bleeding point of the two vacuum layer glass of convex surface.
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 lower surface periphery of described upper glass and intermediate glass or the periphery of bleeding point at least respectively have a sealed strip.
Wherein, at least respectively there are a sealing groove and two sealed strips in the upper surface periphery of described intermediate glass and lower-glass or the corresponding position of bleeding point.
Wherein, described sealed strip is corresponding with described sealing groove, and described sealed strip can insert in described sealing groove.
Wherein, have metal paste coating between described brazing metal and described glass or described sealed strip, metal paste contributes to combining closely of brazing metal and 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 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 the two vacuum layer glass of described convex surface not or have a small amount of upholder, the two vacuum layer glass of convex surface 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, and conventional vacuum glass is preferably printed on one block of glass, and toughened vacuum 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 microwave oven can once heat one to several piece vacuum glass.
Wherein, described microwave oven can have basic heating system and hot spot system, and basic heating system can adopt the mode of Hot-blast Heating or resistive heating as nichrome wire, electrothermal tube, hot plate etc. or inhale ripple heating element, and hot spot system adopts 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 other suitable heating unit or heater meanses.
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:
The two vacuum layer glass of convex surface of microwave heating seal strip groove edge sealing of the present invention sealing on it glass and the periphery of intermediate glass and the periphery of bleeding point have sealed strip, there are sealing groove and sealed strip in the periphery of intermediate glass and 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 lower-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, the advantage of microwave heating is that rate of heating is fast, cooling rate is fast, it is several times or tens times of conventional heating, can selectivity and inside and outside while homogeneous heating solder, solder and the sintering temperature that glassy phase weight/power ratio is minimum, microwave heating can reduce again solder, so energy consumption is low, thus microwave heating have energy-conservation, save time, high-quality, efficient advantage, microwave heating can promote the diffusion of molecule, so microwave heating can reduce sintering temperature or welding temperature, is more conducive to the welding of tempering or semi-tempered glass, microwave heating can make the temperature of temperature lower than solder of bulk glass, effectively can prevent the annealing of toughened glass in edge sealing process, so can direct production tempering or half tempered vacuum glass, in addition, microwave heating is that absorbing material directly generates heat, so be particularly suitable for heating low emissivity glass, 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, 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 two vacuum layer glass structural representation of convex surface of the present invention.
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. intermediate glass, 9. seal gum, 10. product brand.
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: see accompanying drawing, the two vacuum layer glass of convex surface is made up of upper convex glass 1, intermediate glass 8 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 8 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 8, sealing groove 6 is offered at intermediate glass 8 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 in the periphery spraying of upper glass 1 and the lower surface periphery of intermediate glass 8, the periphery of bleeding point 3 and corresponding position and sealing groove 6, intermediate glass 8 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 8 and lower-glass 2, and described three pieces of glass consistencies from top to bottom are stacked together, sealed strip 5 in guarantee on glass 1 and intermediate glass 8 lower surface is corresponding with sealing groove 6, sends in microwave oven; Finally in bleeding point 3, load magnesium alloy 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 360 DEG C of magnesium alloy solder 7, magnesium alloy solder 7 is fused into liquid retention in sealing groove 6, the sealed strip 5 of upper glass also floods in a liquid, and liquid is by bleeding point self-sealing; Stop heating, with stove cooling, magnesium alloy solder 7 condenses into solid, realizes airtight sealing to bleeding point, opens vacuum oven, takes out vacuum glass.Seal gum 9 is put into while hot as butyl rubber, the product brand 10 of covering above of seal gum 9, the upper surface flush of trade mark 10 and upper glass 1 in bleeding point.
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. the two vacuum layer glass of the convex surface of a microwave heating seal strip groove edge sealing sealing, it is characterized in that: comprise glass, intermediate 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 lower surface of described upper glass and intermediate glass and the periphery of described bleeding point have sealed strip, there are sealing groove and sealed strip in the periphery of described intermediate glass and lower-glass upper surface and the corresponding position of described bleeding point, the periphery of described upper glass and described lower-glass and described intermediate glass is by welding together in low temperature glass solder at ambient pressure microwave oven, described bleeding point utilizes brazing metal self-closed in vacuum oven, described brazing metal comprises low-temperature metal solder and solder, described upper glass and form two closed vacuum layer between described lower-glass and described intermediate glass.
2. the two vacuum layer glass of convex surface according to claim 1, is characterized in that having one deck or two-layer upholder in described vacuum layer.
3. the two vacuum layer glass of convex surface 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 two vacuum layer glass of the convex surface 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 two vacuum layer glass of the convex surface 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 two vacuum layer glass of the convex surface according to any one of claim 1 to 5, it is characterized in that described convex glass convex surface facing outside, convex surface bow is high is 3 ~ 10mm.
7. the preparation method of the two vacuum layer glass of the convex surface described in any one of claim 1 to 6, is characterized in that: the two vacuum layer glass of described convex surface is the two vacuum layer glass of common double vacuum layer glass or tempering, and preparation method is as follows:
The first step, according to the shape of the two vacuum layer glass of the convex surface of required making and three pieces of flat glasss of size cutting desired size, bleeding point is made in the edge punching of upper glass and intermediate glass, offer sealing groove at lower-glass and the periphery weld of intermediate glass and the corresponding position of bleeding point, and edging, chamfering, cleaning and drying treatment are carried out to three blocks of glass;
Second step, sealed strip is prepared at the periphery of upper glass and the periphery of intermediate glass lower surface, the periphery of bleeding point and sealing groove, sealed strip on upper glass and intermediate glass 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 carry out tempering process; Intermediate glass directly carries out high temperature sintering or tempering process;
3rd step, by even spread low temperature glass solder in the sealing groove of intermediate glass and lower-glass periphery, sends in microwave oven after three blocks of glass close sheets;
4th step, carries out heat temperature raising operation to described microwave oven, is warming up to more than the melt temperature of low temperature glass solder, reaches edge sealing temperature, and the sealed strip on upper glass and intermediate glass embeds in corresponding sealing groove under the action of gravity of glass; Stop heating, with stove cooling, three blocks of glass hermetic weld together by low temperature glass solder, and the fire door opening microwave oven 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, liquid retention is in the sealing groove of intermediate glass and lower-glass, the sealed strip of upper glass and intermediate 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, take out the two vacuum layer glass of convex surface;
6th step, puts into seal gum, Paste Product trade mark or metal decorative sheet on seal gum in the bleeding point of the two vacuum layer glass of convex surface.
8. the preparation method of the two vacuum layer glass of convex surface according to claim 7, is characterized in that described microwave oven once can heat the two vacuum layer glass of one to several piece convex surface.
9. the preparation method of the two vacuum layer glass of convex surface according to claim 7, is characterized in that described microwave oven has basic heating system and hot spot system.
10. the preparation method of the two vacuum layer glass of convex surface according to claim 9, it is characterized in that described basic heating system adopts one or several of Hot-blast Heating, resistive heating, Infrared Heating and far-infrared heating, described hot spot system adopts microwave heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298888.7A CN104291650A (en) | 2013-07-17 | 2013-07-17 | Microwave-heated convex double-vacuum-layer glass edge-sealed and opening-sealed with sealing bar and sealing groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298888.7A CN104291650A (en) | 2013-07-17 | 2013-07-17 | Microwave-heated convex double-vacuum-layer glass edge-sealed and opening-sealed with sealing bar and sealing groove |
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| Publication Number | Publication Date |
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| CN104291650A true CN104291650A (en) | 2015-01-21 |
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|---|---|---|---|
| CN201310298888.7A Pending CN104291650A (en) | 2013-07-17 | 2013-07-17 | Microwave-heated convex double-vacuum-layer glass edge-sealed and opening-sealed with sealing bar and sealing groove |
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Citations (7)
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| JP2002226235A (en) * | 2001-01-29 | 2002-08-14 | Central Glass Co Ltd | Low pressure double layered glass |
| CN1676481A (en) * | 2004-04-01 | 2005-10-05 | 唐健正 | vacuum glass edge heating method and vacuum glass made thereby |
| CN2740605Y (en) * | 2004-06-18 | 2005-11-16 | 兆宁 | Edge sealing structure of multiple vacuum layer glass |
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| CN102951806A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex vacuum glass welded by glass solders in microwave manner and subjected to edge sealing by strip frames, and manufacturing method of glass |
| CN102951814A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex low-altitude glass welded by metal solders and subjected to edge sealing by strip frame and groove, and manufacturing method of glass |
| CN102951828A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Glass solder-microwave welded and strip frame-groove-edge-sealed planar vacuum glass and manufacturing method thereof |
-
2013
- 2013-07-17 CN CN201310298888.7A patent/CN104291650A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002226235A (en) * | 2001-01-29 | 2002-08-14 | Central Glass Co Ltd | Low pressure double layered glass |
| CN1676481A (en) * | 2004-04-01 | 2005-10-05 | 唐健正 | vacuum glass edge heating method and vacuum glass made thereby |
| CN2740605Y (en) * | 2004-06-18 | 2005-11-16 | 兆宁 | Edge sealing structure of multiple vacuum layer glass |
| CN102079620A (en) * | 2009-11-27 | 2011-06-01 | 洛阳兰迪玻璃机器有限公司 | Closing method, closing structure and closing device for vacuum glass pumping hole |
| CN102951806A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex vacuum glass welded by glass solders in microwave manner and subjected to edge sealing by strip frames, and manufacturing method of glass |
| CN102951814A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Convex low-altitude glass welded by metal solders and subjected to edge sealing by strip frame and groove, and manufacturing method of glass |
| CN102951828A (en) * | 2012-10-06 | 2013-03-06 | 戴长虹 | Glass solder-microwave welded and strip frame-groove-edge-sealed planar vacuum glass and manufacturing method thereof |
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Application publication date: 20150121 |