CN103420625A - Vacuum plane glass provided with sealing strips and mounting hole through metal welding - Google Patents
Vacuum plane glass provided with sealing strips and mounting hole through metal welding Download PDFInfo
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- CN103420625A CN103420625A CN2013102985766A CN201310298576A CN103420625A CN 103420625 A CN103420625 A CN 103420625A CN 2013102985766 A CN2013102985766 A CN 2013102985766A CN 201310298576 A CN201310298576 A CN 201310298576A CN 103420625 A CN103420625 A CN 103420625A
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Abstract
A vacuum plane glass provided with sealing strips and a mounting hole through metal welding comprises an upper glass and a lower glass, and is characterized by further comprising the mounting hole, wherein both the upper and the lower glass are plane glasses; at least one sealing strip is respectively arranged at the peripheries of the mounting hole and the upper glass; at least two sealing strips are respectively arranged at the peripheries of the lower glass and the mounting hole; the sealing strips on the upper glass insert among the sealing strips on the lower glass; the peripheries of the lower and the upper glasses are automatically welded together in a vacuum furnace through metal solder; the mounting hole is also automatically sealed through the metal solder. The vacuum glass and the manufacturing method thereof are simple in process. According to the vacuum glass and the toughened vacuum glass prepared, not only are mounting and using convenient, but also the airtightness of the vacuum glass is ensured, and the strength, and heat insulation and acoustic insulation performance are also increased.
Description
Technical field
The present invention relates to glass deep process technology field, relate in particular to a kind of metal welding and be connected to area vacuum glass of sealed strip and open holes 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 existing a large amount of double glazings that use, and has that the 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 generally consists of two to three sheet glass, between two adjacent sheet glass, forms cavity, at the periphery of glass, is provided with edge sealing structure, and cavity forms vacuum layer after being pumped into vacuum.Vacuum glass is according to the difference that forms the vacuum layer mode, 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, the cavity self-assembling formation vacuum layer of sealing between two adjacent sheet glass; Another kind is the vacuum glass that bleeding point is arranged, the edge sealing of this vacuum glass carries out in High Temperature Furnaces Heating Apparatus under normal pressure, by prefabricated bleeding point, the cavity sealed between glass is vacuumized again after edge sealing completes, finally, at the end rear enclosed bleeding point of bleeding, complete the making of vacuum glass.
The present patent application people discloses a series of vacuum glass without bleeding point and preparation method thereof in the patent of the vacuum glass of in March, 2012 application, but when utilizing the low temperature glass solder edge sealing, because low temperature glass solder is to be made by many oxide, at high temperature, under vacuum, air and the moisture of scolder absorption, volatile substances in scolder, in the gas that scolder dissolves in process of production and scolder, decomposition of partial oxide etc. all can cause a large amount of bubble of generation in scolder, the properties that has greatly weakened scolder is resistance to air loss especially, cause the feasibility of this kind of mode to be greatly affected.
Vacuum glass can substitute existing single-glass and be applied to require the ，You De installation site, place of heat insulation and sound insulation to install in punching on glass, and vacuum glass obviously can't punch when mounted thereon, otherwise can destroy its vacuum.
Summary of the invention
Technical problem to be solved by this invention is to be the defect existed for existing vacuum glass, area vacuum glass that provides a kind of metal welding to be connected to sealed strip and open holes and preparation method thereof, the making method technique of this vacuum glass is simple, the vacuum glass of made and toughened vacuum glass not only are conducive to install and use, and can guarantee the resistance to air loss of vacuum glass, and can increase its intensity and heat insulation, sound-proofing properties.
In order to solve the problems of the technologies described above, the invention provides the area vacuum glass that a kind of metal welding is connected to sealed strip and open holes, comprise upper glass and lower-glass, it is characterized in that thering is open holes, described upper glass and described lower-glass are flat glasss, the periphery of described upper glass and described open holes at least respectively has a sealed strip, and the periphery of described lower-glass and the periphery of described open holes have two sealed strips at least, and the sealed strip of described upper glass inserts between the sealed strip of described lower-glass; The periphery of described upper glass and described lower-glass by brazing metal together with automatic welding in vacuum oven, described open holes also utilizes the brazing metal automatic-sealed, form the vacuum layer of a sealing between described upper glass and described lower-glass, have in described vacuum layer and be the upholder that dot matrix is arranged.
In order to solve the problems of the technologies described above, the invention provides the preparation method of above-mentioned 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 flat glasss up and down of size cutting desired size, at edge punching fabrication and installation hole and the bleeding point of upper lower-glass, and upper and lower two blocks of glass are carried out to edging, chamfering, cleaning and drying treatment;
Second step, prepare sealed strip at the periphery of upper and lower glass and the periphery of open holes, the sealed strip of upper glass can insert between the sealed strip of correspondence of lower-glass, and, at least one making upholder on glass, upper glass, lower-glass are sent in High Temperature Furnaces Heating Apparatus or annealing furnace carried out pyroprocessing or tempering processing subsequently;
The 3rd step, will evenly be coated with low temperature glass solder between the sealed strip of lower-glass periphery, upper and lower glass is sent in vacuum oven after closing sheet;
The 4th step, to described vacuum sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to the temperature of fusion of brazing metal more than, brazing metal is fused into liquid, liquid retention is between the sealed strip of lower-glass, the sealed strip of upper glass also is submerged in liquid, and liquid is by glass edge section and open holes self-sealing; Stop heating, lower the temperature with stove, after brazing metal solidifies, realize airtight sealing, open vacuum oven, take out area vacuum glass;
The 5th step is put into seal gum and protective casing in the bleeding point of area vacuum glass, at the place suitable for reading of protective casing Paste Product trade mark.
Wherein, the periphery of the periphery of described upper glass or open holes at least contains a sealed strip.
Wherein, the periphery of the periphery of described lower-glass and described lower-glass open holes at least contains two sealed strips.
Wherein, the sealed strip of described upper glass is corresponding with the sealed strip of described lower-glass, and the sealed strip of described upper glass can insert between the sealed strip of described lower-glass.
Wherein, between described brazing metal and described glass or described sealed strip, the metal paste coating is arranged, metal paste contributes to combining closely of brazing metal and 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 modes such as glass ink or metal paste to prepare.
Wherein, can the paint metals slurry between the sealed strip surface at described open holes place or sealed strip, metal paste contributes to combining closely of brazing metal and glass.
Wherein, described brazing metal comprises low-temperature metal scolder and solder, and described material is existing commercial commodity.
Further, described brazing metal is shaped as powdery, strip, sheet or bulk, ring-type, tubulose etc.
Wherein, above support is made by metal, pottery, glass or high molecular polymer, matrix material, preferably adopts printing, sprayed glass printing ink or polymkeric substance preparation.
Wherein, above support has one deck or two-layer; Above support be printed on one on glass, or be printed on two on glass, conventional vacuum glass preferably be printed on one on glass, toughened vacuum glass preferably be printed on two on glass.
Wherein, above support is column, or is strip; When upholder is printed on one when on glass, be preferably cylindric; When upholder is printed on two when on glass simultaneously, be preferably strip, and vertical pile.
Wherein, described vacuum oven can once heat one to several piece area vacuum glass.
Wherein, described vacuum oven is normal reheating furnace or microwave oven.
Further, described vacuum oven can have basic heating system and local heating system, the basis heating system can adopt the mode of Hot-blast Heating or resistive heating as nichrome wire, electrothermal tube, hot plate etc. or suction ripple heating element, and the local heating system adopts the modes such as microwave heating or Infrared Heating;
Further, the heating of described basis, be that burner hearth or bulk glass are heated to a lower temperature, as 300 ~ 350 ℃, can not cause toughened glass obviously to be annealed;
Further, described local heating, be that scolder or glass periphery are heated to a higher temperature, as 400 ~ 450 ℃, prevents the whole obviously annealing of toughened glass;
Wherein, described vacuumizing and welded seal can be carried out in batches in vacuum oven, also can implement by monolithic; Can wholely heat glass, also can the 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 the local heating bleeding point.
Wherein, described seal gum preferably has secret sealing, more preferably hot melt adhesive, hot-setting adhesive or two component sealing gum.
Beneficial effect of the present invention:
Metal welding of the present invention is connected to the periphery of its upper glass of area vacuum glass of sealed strip and open holes and the periphery of open holes has sealed strip, the periphery of lower-glass and the periphery of open holes also have sealed strip, make edge sealing and the sealing of vacuum glass easier, more reliable, even the chimeric of the sealed strip of the sealed strip of upper glass and lower-glass guaranteed vacuum glass in the situation that the sealing effectiveness of glass deformation, there is the bonding strength higher than low temperature welding glass between sealed strip and upper lower-glass, chimeric sealing surface area and the airtight layer thickness increased between upper lower-glass of the sealed strip of upper glass and the sealed strip of lower-glass, chimeric automatic-sealed and the mass sealing that has realized bleeding point of the sealed strip of upper glass and the sealed strip of lower-glass, the open holes of vacuum glass of the present invention, simple in structure, safe and reliable, convenient for production, with low cost, vacuum glass of the present invention there is open holes, not only production technique is simple, and intensity is higher, the quantity of open holes is not limit, and can have one to several, not only facilitates and installs but also be conducive to vacuumize, its size of open holes of the present invention relatively can be very large, and inside can increase protective casing, thereby is conducive to improve the quality and performance of vacuum glass, extends its work-ing life, under vacuum, the sealing of brazing metal edge sealing has solved the airtight integrity problem of scolder, increased the tightness of vacuum layer between upper and lower glass, improved the life-span of vacuum glass, greatly improved vacuum glass productivity and qualification rate, reduced the production cost of vacuum glass.
The accompanying drawing explanation
Fig. 1 is area vacuum glass structure schematic diagram of the present invention.
In figure: 1. upper glass, 2. lower-glass, 3. open holes, 4. brazing metal, the 5. sealed strip of upper glass, the 6. sealed strip of lower-glass, 7. upholder, 8. seal gum, 9. protective casing, 10. product brand.
Embodiment
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how the utilisation technology means solve technical problem whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.
Embodiment: referring to accompanying drawing, area vacuum glass is comprised of upper glass 1 and lower-glass 2, two blocks of glass are toughened glass or semi-tempered glass, wherein one or low emissivity glass, its making method is as follows: at first according to the shape of made area vacuum glass and a flat glass and a low emissivity glass of size cutting desired size, weld membrane removal by low emissivity glass, edge at upper lower-glass respectively bores a through hole formation open holes 3, and upper lower-glass is carried out to edging, chamfering and cleaning, dry, at the periphery of the peripheral weld of upper lower-glass and open holes 3, utilize screen printing technique to print sealed strip a printing upholder 7 on glass therein simultaneously, secondly two blocks of glass are sent in annealing furnace and carried out wind-cooling reinforcing, obtain tempering or semi-tempered glass, again will between two sealed strips 6 of lower-glass 2, evenly fill metallic zinc solder 4, and two glass consistencies from top to bottom are stacked together, send in vacuum oven, finally vacuumized and heating operation, be evacuated to below 0.1Pa, be warming up to the melt temperature of metallic zinc solder 4 more than 380 ℃, metallic zinc solder 4 is fused into liquid retention in sealing groove 6, sealed strip 5 also is submerged in liquid, and liquid is by glass edge section and open holes self-sealing, stop heating, lower the temperature with stove, metallic zinc solder 4 condenses into solid, realizes airtight sealing, opens vacuum oven, takes out area vacuum glass.Smear while hot seal gum 9 as butyl rubber in open holes, protective casing 9 packed in open holes 3, with seal gum 8, fill up the space between protective casing 9 and open holes 3, last on protective casing 9 covering product brand 10.
All above-mentioned these intellecture properties of primary enforcement, do not set restriction this product innovation of other forms of enforcement and/or novel method.The modification of those skilled in the art based on 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, be only preferred embodiment of the present invention, is not the present invention to be done to the restriction of other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a metal welding is connected to the area vacuum glass of sealed strip and open holes, comprise upper glass and lower-glass, it is characterized in that: there is open holes, 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, the periphery of described upper glass and described open holes at least respectively has a sealed strip, the periphery of described lower-glass and the periphery of described open holes at least respectively have two sealed strips, and the sealed strip of described upper glass inserts between the sealed strip of described lower-glass; The periphery of described upper glass and described lower-glass by brazing metal together with automatic welding in vacuum oven, described open holes also utilizes the brazing metal automatic-sealed, described brazing metal comprises low-temperature metal scolder and solder, form the vacuum layer of a sealing between described upper glass and described lower-glass, have in described vacuum layer and be the upholder that dot matrix is arranged.
2. area vacuum glass according to claim 1, is characterized in that, between described brazing metal and described glass or described sealed strip, the metal paste coating is arranged, 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. according to the described area vacuum glass of claims 1 to 3 any one, it is characterized in that described sealed strip adopts the mode of printing, printing or mechanically spraying cryogenic glass powder or glass ink or metal paste to prepare.
5. according to the described area vacuum glass of claim 1 to 4 any one, it is characterized in that between the sealed strip surface at described open holes place or sealed strip can the paint metals slurry, and metal paste contributes to combining closely of brazing metal and glass.
6. according to the described area vacuum glass of claim 1 to 5 any one, it is characterized in that above support has one deck or two-layer.
7. the preparation method of the described area vacuum glass of claim 1 to 6 any one, it is characterized in that: described area vacuum glass is area vacuum glass or plane toughened vacuum glass, and the preparation method is as follows:
The first step, according to the shape of the area vacuum glass of required making and two flat glasss up and down of size cutting desired size, at edge punching fabrication and installation hole and the bleeding point of upper lower-glass, and upper and lower two blocks of glass are carried out to edging, chamfering, cleaning and drying treatment;
Second step, prepare sealed strip at the periphery of upper and lower glass and the periphery of open holes, the sealed strip of upper glass can insert between the sealed strip of correspondence of lower-glass, and, at least one making upholder on glass, upper glass, lower-glass are sent in High Temperature Furnaces Heating Apparatus or annealing furnace carried out pyroprocessing or tempering processing subsequently;
The 3rd step, will evenly be coated with low temperature glass solder between the sealed strip of lower-glass periphery, upper and lower glass is sent in vacuum oven after closing sheet;
The 4th step, to described vacuum sole vacuumize, limit heating, be evacuated to 0.1Pa following, be warming up to the temperature of fusion of brazing metal more than, brazing metal is fused into liquid, liquid retention is between the sealed strip of lower-glass, the sealed strip of upper glass also is submerged in liquid, and liquid is by glass edge section and open holes self-sealing; Stop heating, lower the temperature with stove, after brazing metal solidifies, realize airtight sealing, open vacuum oven, take out area vacuum glass;
The 5th step is put into seal gum and protective casing in the bleeding point of area vacuum glass, at the place suitable for reading of protective casing Paste Product trade mark.
8. the preparation method of area vacuum glass according to claim 7, is characterized in that described vacuum oven can once heat one to several piece area vacuum glass.
9. the preparation method of area vacuum glass according to claim 7, is characterized in that described vacuum oven has basic heating system and local heating system.
10. the preparation method of area vacuum glass 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 local heating system adopts the modes such as microwave heating or Infrared Heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102985766A CN103420625A (en) | 2013-07-17 | 2013-07-17 | Vacuum plane glass provided with sealing strips and mounting hole through metal welding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102985766A CN103420625A (en) | 2013-07-17 | 2013-07-17 | Vacuum plane glass provided with sealing strips and mounting hole through metal welding |
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| CN103420625A true CN103420625A (en) | 2013-12-04 |
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| CN2013102985766A Pending CN103420625A (en) | 2013-07-17 | 2013-07-17 | Vacuum plane glass provided with sealing strips and mounting hole through metal welding |
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| CN104743913A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded plain double-vacuum-layer glass provided with edges sealed by sealing strips and provided with mounting hole(s) |
| CN104743916A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded plain vacuum glass provided with edges sealed by sealing grooves and manufacturing method thereof |
| CN104743933A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded plain vacuum glass with installing holes and edge sealed by sealing strips |
| CN104743942A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded plane vacuum glass having installing holes and edge sealed by sealing strips |
| CN104743813A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Glass-welded convex vacuum glass provided with edges sealed by sealing grooves and provided with mounting hole(s) |
| CN104743917A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded convex double-vacuum-layer glass provided with edges sealed by sealing grooves and manufacturing method thereof |
| CN104743814A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Glass-welded convex vacuum glass provided with edges sealed by sealing grooves and sealing strips and provided with mounting hole(s) |
| CN104743816A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | High-temperature-sheet-combination plain double-vacuum-layer glass provided with edges sealed by sealing strips and provided with mounting hole(s) |
| CN104743901A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded sealed plain double-vacuum-layer glass with edges sealed by sealing strips and manufacturing method thereof |
| CN104743902A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded sealed plain vacuum glass with edges sealed by sealing strips and manufacturing method thereof |
| CN104743931A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Plane double-vacuum-layer glass by metal welding at sealed edge of sealing strip and production method thereof |
| CN104743918A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded plain vacuum glass provided with edges sealed by sealing grooves and sealing strips and manufacturing method thereof |
| CN104743823A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Glass-welded plain vacuum glass provided with edges sealed by sealing strips and provided with mounting hole(s) |
| CN104743845A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Convex vacuum glass by glass welding at sealed edge of sealing grooves and strips and production method thereof |
| CN104743842A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Vacuum glass laminated at high temperature and production method thereof |
| CN104743829A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | High-temperature-sheet-combination plain vacuum glass provided with edges sealed by sealing strips and provided with mounting hole(s) |
| CN104743843A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Plain vacuum glass with installing holes by glass welding at sealed edge of sealing strip |
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| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102249561A (en) * | 2010-12-10 | 2011-11-23 | 洛阳兰迪玻璃机器有限公司 | Vacuum glass with mounting holes |
| CN102976592A (en) * | 2012-10-06 | 2013-03-20 | 戴长虹 | Flat vacuum glass welded by using metal welding material and provided with strip frame edge sealing, and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104743913A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded plain double-vacuum-layer glass provided with edges sealed by sealing strips and provided with mounting hole(s) |
| CN104743916A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded plain vacuum glass provided with edges sealed by sealing grooves and manufacturing method thereof |
| CN104743933A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded plain vacuum glass with installing holes and edge sealed by sealing strips |
| CN104743942A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded plane vacuum glass having installing holes and edge sealed by sealing strips |
| CN104743813A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Glass-welded convex vacuum glass provided with edges sealed by sealing grooves and provided with mounting hole(s) |
| CN104743917A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded convex double-vacuum-layer glass provided with edges sealed by sealing grooves and manufacturing method thereof |
| CN104743814A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Glass-welded convex vacuum glass provided with edges sealed by sealing grooves and sealing strips and provided with mounting hole(s) |
| CN104743816A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | High-temperature-sheet-combination plain double-vacuum-layer glass provided with edges sealed by sealing strips and provided with mounting hole(s) |
| CN104743901A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded sealed plain double-vacuum-layer glass with edges sealed by sealing strips and manufacturing method thereof |
| CN104743902A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded sealed plain vacuum glass with edges sealed by sealing strips and manufacturing method thereof |
| CN104743931A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Plane double-vacuum-layer glass by metal welding at sealed edge of sealing strip and production method thereof |
| CN104743918A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Metal-welded plain vacuum glass provided with edges sealed by sealing grooves and sealing strips and manufacturing method thereof |
| CN104743823A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Glass-welded plain vacuum glass provided with edges sealed by sealing strips and provided with mounting hole(s) |
| CN104743845A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Convex vacuum glass by glass welding at sealed edge of sealing grooves and strips and production method thereof |
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| CN104743829A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | High-temperature-sheet-combination plain vacuum glass provided with edges sealed by sealing strips and provided with mounting hole(s) |
| CN104743843A (en) * | 2013-12-25 | 2015-07-01 | 戴长虹 | Plain vacuum glass with installing holes by glass welding at sealed edge of sealing strip |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131204 |