CN104743789A - High-temperature-sheet-combination sealed plain vacuum glass with edges sealed by sealing grooves and manufacturing method thereof - Google Patents
High-temperature-sheet-combination sealed plain vacuum glass with edges sealed by sealing grooves and manufacturing method thereof Download PDFInfo
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- CN104743789A CN104743789A CN201310721379.0A CN201310721379A CN104743789A CN 104743789 A CN104743789 A CN 104743789A CN 201310721379 A CN201310721379 A CN 201310721379A CN 104743789 A CN104743789 A CN 104743789A
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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
High-temperature-sheet-combination sealed plain vacuum glass with edges sealed by sealing grooves is disclosed. The plain vacuum glass comprises upper glass and lower glass which are plain glass. The upper glass is provided with one to four air extracting holes. The peripheries of the upper glass and each air extracting hole are provided with sealing strips. Corresponding positions of the periphery of the lower glass and each air extracting hole are provided with the sealing grooves. After being heated, the upper glass and the lower glass are subjected to sheet combination at a high temperature, and the peripheries of the upper glass and the middle glass are welded under elevated pressure by glass solder in a heating furnace. Each air extracting hole is automatically sealed by utilization of metal solder in a vacuum furnace. A sealed vacuum layer is formed between the upper glass and the lower glass. Supports arranged in a point array are disposed in the vacuum layer. The vacuum glass and a manufacturing method thereof are simple in process and high in production efficiency. The manufactured vacuum glass eliminates edge sealing stress and maintains tempered characteristics of tempered glass. Tempered vacuum glass can be produced in a large scale, and the service lifetime of the tempered vacuum glass can be prolonged.
Description
Technical field
The present invention relates to glass post-processing technical field, particularly relate to a kind of high temperature and close area vacuum glass of sheet sealing groove edge sealing sealing and preparation method thereof.
Background technology
Vacuum glass, as a kind of novel glass of most energy-saving potential, through the research and development of more than ten years, now achieves large-scale production, and especially building field obtains good application in a lot of fields, but also there is obvious weak point, mainly production efficiency is low, production capacity is little, can not toughened vacuum glass etc. be produced, limit its applying in a wider context, the production technique that existing vacuum glass large-scale production is employing high temperature (430-480 DEG C) normal pressure lower sealing edge, low temperature (180-300 DEG C) vacuumizes rear sealing, owing to needing insulation for some time at edge sealing temperature, being generally 15-20min, fully melt flowing bonding to make solder and then obtain higher sealing strength and resistance to air loss, so toughened glass will be annealed in edge sealing process under high temperature and long duration of action, although the initial stress of toughened glass can be done very highly also can only obtain half tempered vacuum glass, toughened vacuum glass another major cause not fertile is the planeness problem of glass, glass can produce the distortion of 0.1-0.3% in toughening process, its deformation quantity is far longer than the thickness of vacuum glass vacuum layer, if there is planeness not high enough (particularly toughened glass) in process of production in vacuum glass, solder thickness is inconsistent, heat the factor such as uneven in edge sealing process and will cause edge sealing sealing-off, resistance to air loss is bad and can not get vacuum glass, lower-glass also can be caused to can not get upholder fully and uniformly support, vacuumizing final vacuum glass will make the local of glass produce very large stress under the effect of the every square meter of air about 10 tons of pressure, these stress the edge of glass show more obvious, and the edge position that to be glass the weakest, under the long term of these edge sealing stress, stressed larger vacuum glass will break and cause damaging, and not only affects the work-ing life of vacuum glass, and may bring safety problem, no matter size only has a bleeding point to existing vacuum glass, due to the thickness of vacuum layer and the internal diameter of bleeding point minimum, so pumping resistance is very big, cause inside and outside differential pressure very large, not only need the vacuum pump of very condition of high vacuum degree, and pumpdown time is very long, production efficiency is very low, the vacuum glass for bulk is even more serious.
Summary of the invention
Technical problem to be solved by this invention is the defect being to exist for existing vacuum glass, a kind of high temperature is provided to close area vacuum glass of sheet sealing groove edge sealing sealing and preparation method thereof, this vacuum glass and preparation method thereof technique is simple, production efficiency is high, prepared vacuum glass not only can reduce or eliminate edge sealing stress but also can keep the tempering characteristic of toughened glass, can be mass-produced toughened vacuum glass, and can increase its work-ing life.
In order to solve the problems of the technologies described above, the invention provides the area vacuum glass that a kind of high temperature closes the sealing of sheet sealing groove edge sealing, comprise glass and lower-glass, described upper glass and described lower-glass are flat glasss, described upper glass there is 1-4 bleeding point, the periphery of described upper glass and described bleeding point has the periphery of sealed strip, described lower-glass and the corresponding position of described bleeding point to have sealing groove, and described upper glass and described lower-glass at high temperature close sheet after rapid heating, its periphery adds pressure by glass solder and welds together in process furnace; By thermal compression welding, eliminate the variable anamorphic of glass, glass is shaped in using state, reduce and eliminate edge sealing stress; Described bleeding point utilizes brazing metal self-closed in vacuum oven, and the vacuum layer that between described upper glass and described lower-glass, formation one is closed, has the upholder in lattice arrangement in described vacuum layer.
In order to solve the problems of the technologies described above, the invention provides the preparation method of area vacuum glass or plane toughened vacuum glass, it comprises:
The first step, according to the shape of the area 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, and at least one block of glass, make upholder, make layer of metal slurry on the surface of the sealed strip of bleeding point periphery and sealing groove, subsequently upper glass, lower-glass are sent in High Temperature Furnaces Heating Apparatus or annealing furnace and carried out high temperature or tempering process;
3rd step, even spread glass solder in the sealing groove of lower-glass periphery, upper and lower glass is sent in process furnace respectively, adopts the mode of rapid heating, make upper and lower glass be heated to 100-500 DEG C in 0.5-30min, upper and lower glass is at high temperature carried out conjunction sheet;
4th step, under glass solder melted state, pressurizes to upper and lower glass, upper and lower glass evenly and is fully contacted with upholder, lowers the temperature subsequently; Applied pressure is about the pressure of air until glass solder solidifies completely; Two blocks of glass hermetic weld together by the glass solder of solidification, obtain the double glazing of periphery welded seal;
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, obtains 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, 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 upper glass and described lower-glass are simple glass or toughened glass or semi-tempered glass.
Wherein, described upper 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 the temperature of fusion of described brazing metal is 150-480 DEG C, and be preferably 250-380 DEG C, described material is existing commercial commodity, as metallic tin and alloy etc. thereof.
Further, the fusing point of described brazing metal is lower than the fusing point of glass solder, and during brazing metal fusing, the glass solder of edge sealing remains unchanged.
Further, the shape of described brazing metal is powdery, strip, sheet or bulk, ring-type, tubulose or paste etc. or the liquid for fusing.
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, above support is made up of metal, pottery, glass or high molecular polymer, matrix material, preferably adopts printing, some glue or sprayed glass ink or polymkeric substance preparation; Above support can be prepared before glass tempering, also can prepare after glass tempering.
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 process furnace can be batch kiln or continuous furnace, preferred continuous furnace.
Wherein, described process furnace can have one to several heating chamber, a preferred 3-5 heating chamber, as described in upper glass, lower-glass rapid heating and close the operation such as sheet, pressurization and preferably carry out in respective heating chamber, with improve production efficiency and product quality; The heating system of described heating chamber can adopt the mode of Hot-blast Heating or resistive heating (Infrared Heating) as nichrome wire, electrothermal tube, hot plate etc., can also adopt microwave heating; Preferred employing hot blast and infrared rays combined heat, the preferred near infrared ray of infrared rays and middle infrared (Mid-IR), selectivity heating glass solder, makes the temperature of temperature lower than glass solder of glass, keeps the tempering characteristic of toughened glass further; When heating Low-e glass, also can adopt FAR INFRARED HEATING, due to the existence of low-radiation film, the temperature of glass can be made to be starkly lower than the temperature of solder;
Further, the rapid heating of described upper glass, lower-glass, in the short period of time, as 0.5-30min, preferred 0.5-10min, more preferably 0.5-3min, described upper and lower glass and glass solder are heated to the temperature of a setting, as 100-500 DEG C, be preferably 180-480 DEG C, thus toughened glass can not be caused obviously to anneal;
Further, described conjunction sheet heating chamber is by described upper glass by devices such as high-temperature vacuum sucker, mechanical manipulators, relies on measurement, location dispatch control system at high temperature, as 180-480 DEG C, is combined with described lower-glass; Its temperature controls with the temperature of fusion of solder as foundation, if solder melts when closing sheet, its temperature can lower than the temperature of fusion of solder, if solder does not melt when closing sheet, its top temperature must higher than the temperature of fusion of solder, to impel solder to melt as early as possible, ensure that solder is in melted state after described upper and lower glass closes sheet, to complete the edge sealing of described vacuum glass;
Further, described pressurized, heated room, be described upper and lower glass carries out pressurizeing and cooling after high temperature closes sheet in pressurized, heated room, and pressurization object is the variable anamorphic making the described upper and lower glass of elimination, and described upper and lower glass is supported fully and uniformly supporting of thing; The pressure of described pressurization is about the pressure of air, is preferably 0.1MPa; Described pressurization can adopt the pressuring method and corresponding device that mechanical pressurization, air pressure, hydraulic pressure etc. are conventional; The time remaining of described pressurization is to solder solidification sizing, and namely described upper and lower glass sizing is in using state, thus eliminates edge sealing stress.
Wherein, described in vacuumize and bleeding point sealing, can in intermittent vacuum stove batch carry out, also can in continuous vacuum stove monolithic implement; Brazing metal can put into bleeding point outside vacuum oven, also can put into bleeding point in vacuum oven.
Wherein, the structure of described bleeding point can also adopt other to have the mode of hydraulic seal structure, as being similar to the sealed structure of drain trap, water seal floor drain etc., more can adopt the structure of applicant any one bleeding point published.
Wherein, described bleeding point has one to several, be preferably 1-4, pieces of glass can arrange one, structural glass can arrange 4, respectively arranges one at each edge, can accelerate pumping efficiency more than at least 4 times and can improve the vacuum tightness of vacuum glass, and then reduce costs, improve production capacity and performance.
Wherein, described vacuum oven heating, can adopt Infrared Heating, also can adopt the combined heat of Hot-blast Heating and Infrared 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 present invention uses for reference the rapid heating principle of annealing furnace, respectively rapid heating is carried out to the monolithic glass of vacuum glass, not only drastically increase production efficiency, compared with reheating with after conjunction sheet, its heating rate can improve tens times, and can by the progressively intensification of multi-work-station, make within the time shorten of toughened glass under the high temperature of welding temperature to several minutes even a minute, effectively maintain the tempering characteristic of toughened glass, solve the difficult problem that existing toughened glass is annealed in edge sealing process, also existing vacuum glass production process is solved long, production efficiency is low, the problem that production capacity is little, especially toughened vacuum glass is extensive to achieve vacuum glass, the production of low cost, solder is heat temperature raising when open, can make the thoroughly volatilization such as gas, moisture, organism contained in solder, prevent solder because affecting its resistance to air loss containing pore, it also avoid organism and be deposited in vacuum chamber the pollution that vacuum glass produces, the present invention uses for reference the production principle of doubling glass, before solder solidification, the glass after high temperature conjunction sheet is pressurizeed, effectively can eliminate the variable anamorphic of lower-glass, especially the arcuate deformation of toughened glass, enable lower-glass be supported thing fully and uniformly support, avoid produce stress concentration, under the effect of the pressure, solder fully contacts with glass, bond, and the sealing of edge is more evenly reliable, can obtain higher sealing strength and resistance to air loss, applied pressure be a normal atmosphere, applying time until solder solidifies completely, shape when making lower-glass be fixed to work, thus reduce even to eliminate edge sealing stress, avoid vacuum glass breaking and the self-destruction of toughened vacuum glass in use, thus can extend the work-ing life of vacuum glass, prevent the generation of security incident, thermal compression welding, can also reduce welding temperature, shorten weld interval, keep the tempering characteristic of toughened glass further, thermal compression welding, can also improve the planeness of vacuum glass, reduces and eliminates optical distortion.
Accompanying drawing explanation
Fig. 1 is area vacuum glass structure schematic diagram of the present invention.
In figure: 1. go up glass, 2. lower-glass, 3. bleeding point, 4. glass solder, 5. sealed strip, 6. sealing groove, 7. brazing metal, 8. silver slurry, 9. upholder, 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: see accompanying drawing, 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 or dispensing technology is utilized to make sealed strip and make upholder 9 simultaneously at the periphery weld of upper glass 1 and the periphery of bleeding point 3, subsequently at sealed strip and the corresponding sealing groove surface making silver slurry layer 8 of bleeding point 3 periphery, secondly two blocks of glass are sent in annealing furnace and carry out wind-cooling reinforcing, obtain tempering or semi-tempered glass, again by even spread glass solder 4 in the sealing groove 6 of lower-glass 2 periphery, and two blocks of glass are sent in process furnace respectively, process furnace can adopt the structure and heating system that are similar to annealing furnace, and heating system can adopt Hot-blast Heating, Infrared Heating or both combined heats, process furnace has 4 heating chambers, in order to reach energy-conservation, timesaving effect, each heating chamber can also comprise one to several station, the temperature of each station is different and gradually change, the temperature in heating chamber is made to form gradient, glass can be controlled in 0.2-2min in the residence time of each station, and namely glass can be controlled within one minute in the time length of top temperature, wherein first, second heating chamber heats upper glass 1 and lower-glass 2 respectively, glass and glass solder is heated to the melt temperature 430-480 DEG C of solder within 1-5 minute, then lower-glass 2 is transported to the 3rd heating chamber and namely closes sheet heating chamber, in conjunction sheet heating chamber, utilize mechanical manipulator to be stacked together by two pieces of glass consistencies from top to bottom, the glass solder 4 of melting by two pieces of glass cementations together, the temperature of this heating chamber can lower than the temperature of fusion of solder, as remained on 300-450 DEG C, the glass closed after sheet is transported to the 4th heating chamber and pressurized, heated room, uniform pressurization is carried out to glass, keeps lower temperature in this heating chamber, as 280-380 DEG C, in the process of pressurization, glass is lowered the temperature rapidly, after glass solder 4 solidifies, two blocks of glass are hermetic welded together, finally in bleeding point 3, load brazing metal 7, send in vacuum oven, vacuum oven can be selected intermittent vacuum stove, can put into the vacuum glass of tens to hundreds of sheet at every turn, also can select continuous vacuum stove, utilizes several vacuum chamber to carry out monolithic and vacuumizes and heating operation, by intermittent vacuum stove evacuation to below 0.1Pa, be warming up to the melt temperature of brazing metal 7 as more than 300 DEG C, brazing metal 7 is fused into liquid retention in sealing groove 6, and sealed strip 5 also floods in a liquid, and liquid is by bleeding point 3 self-sealing, stop heating, with stove cooling, brazing metal 7 condenses into solid, realizes airtight sealing to bleeding point, obtains 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.
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 area vacuum glass of high temperature conjunction sheet sealing groove edge sealing sealing, it is characterized in that: comprise glass and lower-glass, described upper glass and described lower-glass are flat glasss, described upper glass and described lower-glass are simple glass or toughened glass or semi-tempered glass, described upper glass there is 1-4 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, described upper glass and described lower-glass at high temperature close sheet after heating, its periphery adds pressure by glass solder and welds together in process furnace, by thermal compression welding, eliminate the variable anamorphic of glass, glass is shaped in using state, reduce and eliminate edge sealing stress, 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, has the upholder in lattice arrangement in described vacuum layer.
2. area vacuum glass according to claim 1, is characterized in that there is metal paste coating between described brazing metal and described glass or described sealed strip, and metal paste contributes to combining closely of brazing metal and glass.
3. area vacuum glass according to claim 1 and 2, is characterized in that described upper glass and described lower-glass are simple glass or coated glass or Low-E glass.
4. the area vacuum glass according to any one of claims 1 to 3, is characterized in that described sealed strip or upholder employing are printed, print or prepared by the mode of mechanically spraying cryogenic glass powder or glass ink or metal paste.
5. the area 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 area vacuum glass according to any one of claim 1 to 5, is characterized in that above support has one deck or two-layer.
7. the preparation method of the area vacuum glass described in any one of claim 1 to 6, is characterized in that: described area vacuum glass is conventional vacuum glass or toughened vacuum glass, and preparation method is as follows:
The first step, according to the shape of the area 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, and at least one block of glass, make upholder, make layer of metal slurry on the surface of the sealed strip of bleeding point periphery and sealing groove, subsequently upper glass, lower-glass are sent in High Temperature Furnaces Heating Apparatus or annealing furnace and carried out high temperature or tempering process;
3rd step, even spread glass solder in the sealing groove of lower-glass periphery, upper and lower glass is sent in process furnace respectively, adopts the mode of rapid heating, make upper and lower glass be heated to 100-500 DEG C in 0.5-30min, upper and lower glass is at high temperature carried out conjunction sheet;
4th step, under glass solder melted state, pressurizes to upper and lower glass, upper and lower glass evenly and is fully contacted with upholder, lowers the temperature subsequently; Applied pressure is about the pressure of air until glass solder solidifies completely; Two blocks of glass hermetic weld together by the glass solder of solidification, obtain the double glazing of periphery welded seal;
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, obtains 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 area vacuum glass according to claim 7, is characterized in that described process furnace or vacuum oven can be batch furnace or continuous furnace, preferred continuous furnace.
9. the preparation method of area vacuum glass according to claim 7, is characterized in that the time of described process furnace heating glass is 0.5-3min.
10. the preparation method of area vacuum glass according to claim 7, it is characterized in that the pressure of described pressurization is 0.1MPa, the time length of described pressurization is till solder solidifies completely.
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| CN201310721379.0A CN104743789A (en) | 2013-12-25 | 2013-12-25 | High-temperature-sheet-combination sealed plain vacuum glass with edges sealed by sealing grooves and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721379.0A CN104743789A (en) | 2013-12-25 | 2013-12-25 | High-temperature-sheet-combination sealed plain vacuum glass with edges sealed by sealing grooves and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955953A (en) * | 2021-11-29 | 2022-01-21 | 怀化市吉驷玻璃有限公司 | Production process of vacuum glass |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420578A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Vacuum glass with edges and extraction opening both sealed with sealing strips as well as preparation method of vacuum glass |
| CN103420574A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plain vacuum glass with edges and extraction opening both sealed with sealing grooves as well as preparation method of same |
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- 2013-12-25 CN CN201310721379.0A patent/CN104743789A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420578A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Vacuum glass with edges and extraction opening both sealed with sealing strips as well as preparation method of vacuum glass |
| CN103420574A (en) * | 2013-07-17 | 2013-12-04 | 戴长虹 | Plain vacuum glass with edges and extraction opening both sealed with sealing grooves as well as preparation method of same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955953A (en) * | 2021-11-29 | 2022-01-21 | 怀化市吉驷玻璃有限公司 | Production process of vacuum glass |
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Application publication date: 20150701 |
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