CN104746669A - Glass composite vacuum heat-insulation plate with edge sealed by seal strip and manufacturing method thereof - Google Patents
Glass composite vacuum heat-insulation plate with edge sealed by seal strip and manufacturing method thereof Download PDFInfo
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- CN104746669A CN104746669A CN201310721363.XA CN201310721363A CN104746669A CN 104746669 A CN104746669 A CN 104746669A CN 201310721363 A CN201310721363 A CN 201310721363A CN 104746669 A CN104746669 A CN 104746669A
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- carbon steel
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Abstract
A glass composite vacuum heat-insulation plate with the edge sealed by a seal strip comprises a face plate, a connecting layer and a vacuum cavity and is characterized in that the face plate is a glass plate, the connecting layer enables the face plate and the vacuum cavity to be connected to form a whole, the vacuum cavity is a closed cavity formed by welding a low-carbon steel plate and sealing the edge by utilizing a glass solder under the constant pressure and high temperature and performing high-temperature sealing under the vacuum condition, the seal strip is arranged at the welding position of the edge portion of the low-carbon steel plate, and the low-carbon steel plate is matched with the coefficient of thermal expansion of the glass solder. The sealing is automatic sealing performed by utilizing an air exhaust opening pre-formed in the vacuum cavity and a low-temperature solder in a vacuum furnace according to a liquid seal principle, and a support is arranged in the vacuum cavity. A manufacturing method of the glass composite vacuum heat-insulation plate is simple in process, the air impermeability of the vacuum cavity of the glass composite vacuum heat-insulation plate can be effectively ensured, the service life of the glass composite vacuum heat-insulation plate can be prolonged, and strength and heat-insulation, sound-insulation and fireproof performance can be improved.
Description
Technical field
The present invention relates to energy-saving building technology field, particularly relate to glass composite vacuum insulating plate of a kind of weather strip edge sealing and preparation method thereof.
Background technology
Current building exterior wall heat preserving material used is divided into A level heat insulating material and B level heat insulating material, and the fireproof performance of A level heat insulating material is good, but its heat-insulating property, water resistance etc. are all lower than B level heat insulating material, and there is the problems such as price is high, complicated construction technique; B level heat insulating material has the advantages such as cost is low, good heat insulating, construction technology are ripe, but its durability is bad, heat resistance is poor, easy firing, a large amount of poison gas is not only discharged during burning, and spreading of big fire can be accelerated, so prohibit the use organic insulation material for exterior-wall heat insulation in highrise building and public building.Vacuum heat-insulating plate was applied to building heat preservation field in recent years, its major advantage be belong to A level heat insulating material, good heat insulating, thickness is thin, unit mass is light, but also have that obvious shortcoming is as low in vacuum bag poor air-tightness, puncture-resistant intensity, edge exists cold bridge, soon, easily rise bag, insulation life-span of vacuum decay is short etc.Therefore, building heat preservation needs the new A level heat insulating material researching and developing good heat insulating, long service life.
Applicant discloses a series of evacuated panel and preparation method thereof in July, 2013, although solve the contradiction and problems of the aspect such as fire prevention, insulation, application life that existing heat insulating material exists, but owing to directly metal sheet being welded together, so its edge exists obvious cold bridge, its heat-insulating property is made not reach optimum state.
Summary of the invention
technical problem to be solved by this invention is for existing building insulating board, warming plate, the defect that vacuum heat-insulating plate exists, glass composite vacuum insulating plate of a kind of novel weather strip edge sealing and preparation method thereof is provided, the preparation method technique of the glass composite vacuum insulating plate of this weather strip edge sealing is simple, prepared glass composite vacuum insulating plate can overcome existing insulating board, the deficiency of vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of glass composite vacuum insulating plate, increase the service life, and its intensity and heat insulation can be increased, sound insulation, fireproof performance, also there is good decorative effect simultaneously.
In order to solve the problems of the technologies described above, the invention provides a kind of glass composite vacuum insulating plate of weather strip edge sealing, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is glass plate, described panel and or described articulamentum provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber welds edge sealing by low carbon steel plate at constant-pressure and high-temperature lower-glass, high temperature seals and the closed cavity of formation under vacuo, the edge weld of described low carbon steel plate has weather strip, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace pre-extract opening on vacuum chamber, and described solder comprises low-temperature metal and solder, has supporter in described vacuum chamber.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of glass composite vacuum insulating plate of weather strip edge sealing, it is characterized in that comprising the following steps:
The first step, two pieces of panels and two pieces of low carbon steel plates for the formation of vacuum chamber are made respectively according to the shape of the glass composite vacuum insulating plate of the weather strip edge sealing of required making and size, two pieces of low carbon steel plates for the formation of vacuum chamber are carried out flanging shaping, make weather strip at edge weld and at least one piece of low carbon steel plate, make supporter, on one piece of panel and one piece of low carbon steel plate, make extract opening;
Second step, first by the weld coated glass solder of the lower low carbon steel plate in two pieces of low carbon steel plates, again two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in edge sealing heating furnace, by the heat fused of glass solder, cooling solidification, the edge of two pieces of low carbon steel plates is hermetic welded together; Vacuum chamber after edge sealing is joined together to form composite plate by articulamentum and two pieces of panels; In extract opening, place solder, composite plate is sent in vacuum drying oven, once can send into one to several piece;
3rd step, first vacuum drying oven is warming up to the temperature close to solder fusing, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, by extract opening self-closed after solder fusing, solidify rear airtight sealing is realized to vacuum chamber with stove cooling, solder, after going out vacuum drying oven, obtain the glass composite vacuum insulating plate of weather strip edge sealing.
Wherein, the glass composite vacuum insulating plate of described weather strip edge sealing comprises the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate.
Wherein, the glass composite vacuum insulating plate of described weather strip edge sealing has the connector or groove etc. for installing.
Wherein, the glass composite vacuum insulating plate of described weather strip edge sealing or the surrounding of vacuum chamber scribble fluid sealant or structure glue.
Wherein, described panel is glass plate, as simple glass, tempered glass, semi-tempered glass, coated glass, patterned glass, sand blasting glass etc., can have decorative layer, as colored glaze etc. above it;
Further, the preferred tempered glass of described panel, to increase its intensity and safety;
Further, described panel is single glass plate, or glass composite board;
Further, described panel can be commaterial, also can be two kinds of different materials.
Wherein, described articulamentum is bonding adhesive or plastic sheet;
Further, described bonding adhesive comprises organic gel, inorganic glue and composite adhesive, is commercially available prod; Described organic gel comprises thermosetting cement, PUR etc., and preferred resistant to elevated temperatures bonding adhesive, as phenolic resins, epoxy resin, organic siliconresin etc.;
Further, the preferred resistant to elevated temperatures thermoplastic of described plastic sheet, as polyamide, poly-to mock, PVB film etc.
Wherein, described articulamentum can be one to several layers;
Further, enhancement Layer or stiffener can be had, as fiber, reinforcing rib, reinforcing mat, stiffener etc. in described articulamentum or between described articulamentum.
Wherein, panel and vacuum chamber can connect as one before vacuumizing or in vacuum or after vacuumizing by described articulamentum.
Wherein, described vacuum chamber is the air-tight cavity be welded by a piece or two pieces of low carbon steel plates, and the C content of described low carbon steel plate is not more than 0.06%, preferred enamel low carbon steel plate, and thickness is 0.3-3mm, preferred 0.3-1mm.
Wherein, described vacuum chamber can be one to several, and when described vacuum chamber is two, upper and lower two vacuum chambers stack bonding along the diagonal dislocation of lower upper surface, make it form overlap edge, to reduce edge cold bridge impact when described composite evacuated plate is installed.
Wherein, the low carbon steel plate of described vacuum chamber can adopt mirror board, if its surface is senior finish, or its inner surface makes it have extremely low emissivity, as aluminizer etc. through process.
Wherein, the inwall of described vacuum chamber can have coating that is heat insulation, sound insulation; Can have getter in described vacuum chamber, getter is automatic activation under high temperature, high vacuum.
Wherein, the edge weld of described low carbon steel plate has weather strip, and described weather strip is made up of glass or metal etc.;
Further, when described weather strip is made up of glass, preferably cryogenic glass powder is produced on described low carbon steel plate by modes such as printing, printing, sprayings and forms through high temperature sintering, can carry out separately sintering, also can sintering together with glass solder; The fusion temperature of described cryogenic glass powder is higher than the welding temperature of described glass solder;
Further, can be the metal sheet, the bar that are welded on separately on described low carbon steel plate when described weather strip is metal, also can be described low carbon steel plate flanging; Can only be connected with one piece of low carbon steel plate when described weather strip is metal sheet, bar, cold bridge can not be formed in described vacuum chamber;
Further, described weather strip forms an airtight bar frame at the weld of described low carbon steel plate, described weather strip has two airtight bar frames at least at the edge weld of lower low carbon steel plate of the described vacuum chamber of composition, described glass solder is positioned in the region that described two airtight bar frames surround, described weather strip has an airtight bar frame at least at the edge weld of upper low carbon steel plate of the described vacuum chamber of composition, and the weather strip of described upper low carbon steel plate can insert between two weather strips of described lower low carbon steel plate.
Wherein, described glass solder refers to and utilizes glass solder at high temperature to be welded together by two pieces of low carbon steel plates, commercially available low temperature glass solder selected by described glass solder, and its welding temperature is generally 380-480 DEG C, selects low temperature glass solder to be conducive to reducing costs, improving production capacity etc.; Described glass solder and described panel by described articulamentum and described vacuum chamber in conjunction with time, certain pressure can be applied, namely pressure welding is carried out, with make welding and combine more solid and reliable, vacuum chamber and plate face more smooth, and can eliminate because solder thickness is uneven, vacuum chamber surface irregularity can not get supporter and evenly effectively supports and the edge sealing stress that causes; Described pressure is approximately 0.1MPa, described in the mode of exerting pressure can adopt mechanical compression, air pressure or hydraulic pressure etc.
Wherein, described extract opening can be arranged on surface or the side of vacuum chamber.
Wherein, described extract opening can directly be made in vacuum chamber punching press, also first can make extract opening and be welded on vacuum chamber again.
Wherein, described edge sealing heating furnace or vacuum drying oven are the single-unit furnaces of batch production, or the tunnel kiln that continous way is produced; The edge sealing temperature of described edge sealing heating furnace is 360-500 DEG C, is preferably 380-480 DEG C; The vacuum of described vacuum drying oven is 0.001-0.1Pa, is preferably 0.005-0.05Pa; The sealing temperature of described vacuum drying oven is 150-450 DEG C, is preferably 280-350 DEG C.
Wherein, above support can be the supporter made separately, also can be on the low carbon steel plate making vacuum chamber by mechanical means as punching press the projection that formed, as point, line etc.;
Further, when above support makes separately, be point, line or the net etc. that adopt the materials such as metal, glass, pottery, high polymer to make.
Wherein, above support has one to several layers.
Wherein, above support can directly put into described vacuum chamber, also can form one with the inwall of described vacuum chamber by punching press, roll extrusion and welding, the mode such as bonding.
The invention has the beneficial effects as follows:
The present invention adds weather strip at the weld of glass solder, weather strip not only can limit the rear random flowing of glass solder fusing, make edge sealing neatly good-looking, prevent the solder skip phenomenon caused because glass solder runs off, the qualification rate improving product, and the plane-welding of glass solder can be become three-dimensional welding, make welding more firmly, reliably, the tightness of vacuum chamber is fine, the longer service life of evacuated panel; The present invention replaces metal () to weld with glass solder, coefficient of thermal conductivity due to glass only has 1% of metal even less so can solve the edge cold bridge problem of evacuated panel well, because glass is different with the material of metal so the evacuated panel of glass solder has better sound insulation value; The low carbon steel plate matched with coefficient of thermal expansion and glass solder replaces conventional metal sheet, solves the Welding Problems between glass and metal; An about atmospheric pressure is applied when glass solder, glass solder is made to solidify the sizing of final vacuum chamber in using state, eliminate edge sealing stress, avoid the evacuated panel in use damage that causes because of unbalance stress of brittle glass solder, thus ensure that heat-proof quality and the application life of evacuated panel; The glass composite vacuum insulating plate of weather strip edge sealing of the present invention is primarily of glass and metal material composition, and articulamentum can select inorganic material or fire proofing, so have good fireproof performance; Its panel of glass composite vacuum insulating plate of weather strip edge sealing of the present invention can select the glass plate of multiple decoration, so have good decorative effect, does not need to do decorative layer again after installation, not only saves material and also saves manpower and time; The glass composite vacuum insulating plate of weather strip edge sealing of the present invention is made up of glass and composite metal plate, so not only thickness is thin, lightweight, and has very high mechanical strength; The glass composite vacuum insulating plate of weather strip edge sealing of the present invention adopts normal temperature and pressure lower sealing edge, high-temperature vacuum lower sealing, its manufacture craft is simple, cost of production is low, can mechanization, automation, production in enormous quantities, product can be widely used in interior wall, exterior wall and curtain wall, the consumption that can greatly reduce material and the energy, the weight alleviating building, shortening building cycle; The glass composite vacuum insulating plate of weather strip edge sealing of the present invention not only can be applied to new building, and the energy-conservation of existing building and outward appearance transformation can be applied to, not only can wet combining but also can be cladding, can greatly save the engineering time compared with existing heat insulating material, improve heat insulation and soundproof effect; The glass composite vacuum insulating plate of weather strip edge sealing of the present invention can also make sketch plate, is directly used in the production of refrigerator, refrigerator-freezer, refrigerator carriage, incubator, cold store, frozen products insulated container etc.
Accompanying drawing explanation
Fig. 1 is the glass composite vacuum insulating plate structural representation of weather strip edge sealing of the present invention.
In figure: 1. panel, 2. articulamentum, 3. vacuum chamber, 4. supporter, 5. extract opening, 6. solder, 7. glass solder, 8. weather strip.
Detailed description of the invention
Below adopt embodiment and accompanying drawing to describe embodiments of the present invention in detail, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
See accompanying drawing, the glass composite vacuum insulating plate of weather strip edge sealing is made up of panel 1, articulamentum 2, vacuum chamber 3 and supporter 4, and panel 1 is that the glass plate of 2-6mm or tempered glass or coated glass or colored glazed glass or ground glass etc. are formed by thickness; Articulamentum 2 is resistant to elevated temperatures bonding adhesive, can select organic adhesion agent and conventional inorganic adhesive or the organo-mineral complexing bonding adhesive etc. such as the resistant to elevated temperatures phenolic resin glue of normal temperature or hot setting, epoxide-resin glue, organic siliconresin glue and polyimides; The low carbon steel plate that vacuum chamber 3 is 0.3-1.0mm by thickness utilizes glass solder 7 to be welded; Supporter 4 is made up of metal, pottery, glass or high polymer, and modes such as utilizing printing, print, spray, machinery lays becomes dot matrix to be distributed in vacuum chamber 3, and the bearing height of supporter 4 is advisable with 0.15-1.0mm, and the diameter of the strong point is advisable with 0.3-1.0mm; The air exhaust nozzle that extract opening 5 is directly stamped out by two pieces of low carbon steel plates up and down of vacuum chamber 3 and pit form, and place solder 6 as tin, zinc, magnesium and low-melting alloy thereof in air exhaust nozzle, and solder 6 dissolves and automatically to seal extract opening 5 afterwards.The preparation method of the glass composite vacuum insulating plate of weather strip edge sealing is as follows: the low carbon steel plate that first cutting two pieces is onesize is for making vacuum chamber 3, and utilize the mode of punching press to two pieces of low carbon steel plates carry out flanging shaping and make extract opening 5, be that raw material is printed on the edge weld of low carbon steel plate weather strip 8 by the mode of printing or spray with cryogenic glass powder, supporter 4 is printed on wherein on one block of plate, by the weld coated glass solder 7 of the lower low carbon steel plate in two pieces of low carbon steel plates, again two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in edge sealing heating furnace, the edge sealing temperature of edge sealing heating furnace is 400-450 DEG C, by the heat fused of glass solder 7, the edge of two pieces of low carbon steel plates hermetic welds together by cooling solidification, complete edge sealing, secondly make two pieces of onesize armorplate glasses as panel 1, choose epoxide-resin glue as articulamentum 2, two surfaces up and down panel 1 being pasted onto vacuum chamber 3 by articulamentum 2 form composite plate, and reserved bleed-off passage, finally place solder, one piece or composite plate are in batch sent in vacuum drying oven, below 0.1Pa is evacuated to after first heating makes the epoxy resin adhesive curing of articulamentum 2, temperature when vacuumizing is preferably more than 300 DEG C, to promote the eliminating of gas in vacuum chamber 3, after vacuum reaches, be warming up to sealing temperature again, solder 6 melts extract opening 5 self-closed, lower the temperature with stove, solder 6 solidifies final vacuum chamber 3 and realizes airtight sealing, opens the glass composite vacuum insulating plate that vacuum drying oven obtains weather strip edge sealing, in order to protect vacuum chamber 3 and attractive in appearance, the surrounding of vacuum chamber 3 can smear fluid sealant or structure glue, in order to protect panel 1 and play decoration function, bleed-off passage is smeared fluid sealant and is decorated.
All above-mentioned this intellectual properties of primary enforcement, not setting restriction this new product of other forms of enforcement and/or new method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on new product 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 glass composite vacuum insulating plate of a weather strip edge sealing, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is glass plate, described panel and or described articulamentum additional strength is provided, ensures vacuum chamber planarization under atmospheric pressure for described vacuum chamber, described vacuum chamber is the closed cavity welding edge sealing, under vacuo high temperature sealing by low carbon steel plate at constant-pressure and high-temperature lower-glass and formed, the edge weld of described low carbon steel plate has weather strip, and the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches; Described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace pre-extract opening on vacuum chamber, and described solder comprises low-temperature metal and solder, has supporter in described vacuum chamber.
2. the glass composite vacuum insulating plate of weather strip edge sealing as claimed in claim 1, is characterized in that the glass composite vacuum insulating plate of described weather strip edge sealing comprises surface plate, curved slab, bending plate and sketch plate.
3. the glass composite vacuum insulating plate of weather strip edge sealing as claimed in claim 1, is characterized in that described articulamentum is bonding adhesive or plastic sheet.
4. the glass composite vacuum insulating plate of weather strip edge sealing as claimed in claim 1, is characterized in that can having enhancement Layer or stiffener in described articulamentum.
5. the glass composite vacuum insulating plate of weather strip edge sealing as claimed in claim 1, it is characterized in that described vacuum chamber has one to several, when described vacuum chamber is two, upper and lower two vacuum chambers stack bonding along the diagonal dislocation of lower upper surface, it is made to form overlap edge, to reduce edge cold bridge impact during installation.
6. the glass composite vacuum insulating plate of weather strip edge sealing as claimed in claim 1, is characterized in that the inwall of described vacuum chamber can have coating that is heat insulation, sound insulation.
7. the glass composite vacuum insulating plate of weather strip edge sealing as claimed in claim 1, is characterized in that described glass solder is pressure welding.
8. the glass composite vacuum insulating plate of weather strip edge sealing as claimed in claim 1, is characterized in that above support has one to several layers.
9. the glass composite vacuum insulating plate of weather strip edge sealing as claimed in claim 1, is characterized in that there is getter in described vacuum chamber.
10. the preparation method of the glass composite vacuum insulating plate of the weather strip edge sealing described in any one of claim 1 to 9, is characterized in that comprising the following steps:
The first step, two pieces of panels and two pieces of low carbon steel plates for the formation of vacuum chamber are made respectively according to the shape of the glass composite vacuum insulating plate of the weather strip edge sealing of required making and size, two pieces of low carbon steel plates for the formation of vacuum chamber are carried out flanging shaping, make weather strip at edge weld and at least one piece of low carbon steel plate, make supporter, on one piece of panel and one piece of low carbon steel plate, make extract opening;
Second step, first by the weld coated glass solder of the lower low carbon steel plate in two pieces of low carbon steel plates, again two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in edge sealing heating furnace, by the heat fused of glass solder, cooling solidification, the edge of two pieces of low carbon steel plates is hermetic welded together; Vacuum chamber after edge sealing is joined together to form composite plate by articulamentum and two pieces of panels; In extract opening, place solder, composite plate is sent in vacuum drying oven, once can send into one to several piece;
3rd step, first vacuum drying oven is warming up to the temperature close to solder fusing, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, by extract opening self-closed after solder fusing, solidify rear airtight sealing is realized to vacuum chamber with stove cooling, solder, after going out vacuum drying oven, obtain the glass composite vacuum insulating plate of weather strip edge sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721363.XA CN104746669A (en) | 2013-12-25 | 2013-12-25 | Glass composite vacuum heat-insulation plate with edge sealed by seal strip and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310721363.XA CN104746669A (en) | 2013-12-25 | 2013-12-25 | Glass composite vacuum heat-insulation plate with edge sealed by seal strip and manufacturing method thereof |
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| CN104746669A true CN104746669A (en) | 2015-07-01 |
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| CN201310721363.XA Pending CN104746669A (en) | 2013-12-25 | 2013-12-25 | Glass composite vacuum heat-insulation plate with edge sealed by seal strip and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753575A (en) * | 2022-05-07 | 2022-07-15 | 福建省凡澈建设发展有限公司 | Building energy-saving structure and building energy-saving method |
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2013
- 2013-12-25 CN CN201310721363.XA patent/CN104746669A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753575A (en) * | 2022-05-07 | 2022-07-15 | 福建省凡澈建设发展有限公司 | Building energy-saving structure and building energy-saving method |
| CN114753575B (en) * | 2022-05-07 | 2024-01-30 | 福建省凡澈建设发展有限公司 | Building energy-saving structure and building energy-saving method |
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Application publication date: 20150701 |