CN104291705A - Glass composite vacuum plate and preparing method thereof - Google Patents
Glass composite vacuum plate and preparing method thereof Download PDFInfo
- Publication number
- CN104291705A CN104291705A CN201310298723.XA CN201310298723A CN104291705A CN 104291705 A CN104291705 A CN 104291705A CN 201310298723 A CN201310298723 A CN 201310298723A CN 104291705 A CN104291705 A CN 104291705A
- Authority
- CN
- China
- Prior art keywords
- glass
- vacuum
- vacuum chamber
- plate
- composite evacuated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/08—Joining glass to glass by processes other than fusing with the aid of intervening metal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
A glass composite vacuum plate is provided. The glass composite vacuum plate comprises surface plates, connecting layers and a vacuum cavity. The glass composite vacuum plate is characterized in that: the surface plates are glass plates; the connecting layers connect the surface plates and the vacuum cavity into one part; the vacuum cavity is formed by welding thin metal plates; the surface plates and/or the connecting plates provide the vacuum cavity with attached strength and guarantee smoothness of the vacuum cavity under normal pressure; the vacuum cavity is automatically welded and sealed at a high temperature under high vacuum in a vacuum furnace in a mass production manner; supporters are disposed in the vacuum cavity; and the supporters are manufactured separately or directly formed in the vacuum cavity. A manufacturing method of the glass composite vacuum plate is simple in process. The prepared glass composite vacuum plate overcomes the disadvantages of thermal insulation plates and vacuum insulation plates at present, effectively guarantees gas tightness of the vacuum cavity of the glass composite vacuum plate, prolongs the service lifetime of the gas composite vacuum plate, and enhances strength, and thermal-insulation, sound-insulation and fireproof properties.
Description
Technical field
The present invention relates to energy-saving building technology field, particularly relate to composite evacuated plate of a kind of glass and preparation method thereof.
Background technology
The power consumption of the architectural energy consumption Yi Zhan whole society of China more than 1/3 and in the trend that increases year by year, adopt heat preservation construction material to be one of Main Means reducing building energy consumption.Current building exterior wall heat preserving material used is many is B level lagging material, as organic materialss such as polystyrene, urethane, bipeltates, these organic materials resistance toheats are poor, easy firing, not only discharge a large amount of heats during burning, produce a large amount of poison gas, and large fire spreading can be accelerated; Simultaneously, molten contracting can be there is in organic materials when fire, produce density flaming droplet, on initiation thermal insulation layer, institute's tiling comes off, cause spot fire and secondary injury possibly, so national departments concerned prohibites exterior-wall heat insulation use organic insulation material, particularly at Highrise buildings and public building.Reach in the lagging material of A grade standard in combustionproperty, mainly with the inorganic materials that mineral wool and rock wool are representative, but existing home made article requires very large gap with Application in Building in water-intake rate, intensity, weathering resistance etc., be directly used in construction wall insulation, problems such as water suction will being occurred, drop, be softening.In addition, A level lagging material cost is far away higher than organic materials, and complicated construction technique construction cost is far beyond the expense of B level lagging material, and its poor thermal insulation property and energy consumption is high, the needs of national current energy-saving and emission-reduction can not be met.
Vacuum heat-insulating plate is a kind of novel lagging material grown up in recent years, mainly comprise vacuum bag and core etc., its major advantage be belong to A level lagging material, good heat insulating, thickness is thin, unit mass is light, but also there is obvious shortcoming difficulty as dry in core, vacuum bag poor air-tightness, puncture intensity are low, and soon, easily rise bag, insulation life-span of vacuum decay is short etc.In addition, above lagging material all needs to increase decoration protective layer.
Summary of the invention
?technical problem to be solved by this invention is the defect being to exist for existing building thermal baffle, warming plate, vacuum heat-insulating plate, composite evacuated plate of a kind of novel glass and preparation method thereof is provided, the making method technique of the composite evacuated plate of this glass is simple, the prepared composite evacuated plate of glass can overcome the deficiency of existing thermal baffle, vacuum heat-insulating plate and warming plate, effectively can ensure the resistance to air loss of the composite evacuated plate of glass, increase the service life, and its intensity and heat insulation, sound insulation, fire resistance can be increased, also there is good decorative effect simultaneously.
In order to solve the problems of the technologies described above, the invention provides the composite evacuated plate of a kind of glass, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is sheet glass, described panel is connected as a whole with described vacuum chamber by described articulamentum, described vacuum chamber is welded by sheet metal, described panel and or described articulamentum provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber high vacuum in vacuum oven, mass automatic welding sealing under high temperature, upholder is had in described vacuum chamber, above support makes separately or directly formed on vacuum chamber.
In order to solve the problems of the technologies described above, the invention provides the making method of the composite evacuated plate of a kind of glass, it is characterized in that comprising the following steps:
The first step, make two pieces of panels and two pieces of metal sheets for the formation of vacuum chamber respectively according to the shape of the composite evacuated plate of the glass of required making and size, it is shaping and make upholder at least one piece of metal sheet two pieces of metal sheets for the formation of vacuum chamber to be carried out flanging;
Two pieces of panels are first joined together to form composition board respectively by articulamentum and two pieces of metal sheets by second step, then two pieces of composition board alignment are snapped together; Or first two pieces of metal sheet alignment fastenings for the formation of vacuum chamber welded together and reserve bleed-off passage, then being joined together to form composition board by articulamentum and two pieces of panels; Composition board is sent in vacuum oven, once can send into several piece;
3rd step, first vacuum oven is warming up to the temperature of articulamentum fusing or solidification, again vacuum oven is warming up to the temperature of bleeding, then vacuum oven is evacuated to below 0.1Pa, utilize the mode of welding by vacuum chamber hermetic welded closure, remove vacuum, with stove cooling, open vacuum oven and obtain the composite evacuated plate of glass.
Wherein, the composite evacuated plate of described glass comprises the various forms of sheet materials such as smooth plate, curved slab, bending plate, sketch plate.
Wherein, the composite evacuated plate of described glass has the web member or groove etc. for installing.
Wherein, the surrounding of the composite evacuated plate of described glass or vacuum chamber scribbles seal gum or structure glue.
Wherein, described panel is sheet glass, as simple glass, toughened glass, semi-tempered glass, coated glass, figured glass, sand blasting glass etc., can have ornament layer, as colored glaze etc. above it;
Further, the preferred toughened glass of described panel, to increase its intensity and security;
Further, described panel is single sheet glass, or glass composite board;
Further, described panel can be commaterial, also can be two kinds of different materials.
Wherein, described articulamentum is tackiness agent or plastics sheet;
Further, described tackiness agent comprises organic gel, inorganic glue and composite adhesive, is commercially available prod; Described organic gel comprises thermosetting cement, hot melt adhesive etc., and preferred resistant to elevated temperatures tackiness agent, as resol, epoxy resin, silicone resin etc.;
Further, the preferred resistant to elevated temperatures thermoplastics of described plastics sheet, as polymeric amide, 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, stiffening web, reinforcing mat, stiffening plate 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 metal sheets, and described metal sheet is ultra thin plate, and thickness is 0.1-1mm, preferred 0.15-0.5mm.
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 lines dislocation of lower upper surface, make it form landing edge, to reduce edge heat bridge impact when described composite evacuated plate is installed.
Wherein, the metal sheet of described vacuum chamber is the material of Low emissivity, as adopted mirror board, or its surface makes it have extremely low radiant ratio, as aluminium plating film 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, described welding comprises melting welding, pressure welding, soldering etc., as argon arc welding, laser welding, ultrasonic welding, low melting point metal and alloy welding and other welding processs for metal sheet especially ultra-thin metal plates.
Wherein, described welding can be carried out in vacuum oven, also can carry out outside vacuum oven, can also first vacuum oven outer sealing edge, after seal in vacuum oven; Described edge sealing is connected together by the peripheral weld of described vacuum chamber, and described sealing is that the bleed-off passage being reserved in vacuum chamber side is carried out welded seal.
Wherein, described vacuum oven or the single-unit furnace of batch production, or the tunnel kiln that continous way is produced; The vacuum tightness of described vacuum oven is 0.1-0.001Pa, is preferably 0.05-0.005Pa; The temperature of described vacuum oven is 150-450 DEG C, is preferably 280-350 DEG C.
Wherein, above support can be the upholder made separately, also can be on the metal sheet 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, superpolymer 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:
Its vacuum chamber of the composite evacuated plate of glass of the present invention is that metal sheet is made and has the protection of articulamentum and panel, so have fabulous resistance to air loss, puncture intensity and low radiant ratio, thus not only heat-proof quality is good but also have extremely long work-ing life; The thickness of vacuum chamber is minimum, is generally less than 1 millimeter, so the thickness of the composite evacuated plate of whole glass can be very little, minimum only have several millimeters, and space that is less than the thickness of existing vacuum heat-insulating plate, that take is less; The composite evacuated plate of glass of the present invention is formed by the Material cladding of several different shapes and material, prevents resonance effect during sound transmission, in addition the existence of vacuum layer, so have good sound-proofing properties; The composite evacuated plate of glass of the present invention is primarily of glass and metallic substance composition, and articulamentum can select inorganic materials or fire retardant material, so have good fire resistance; Its panel of the composite evacuated plate of glass of the present invention can select the sheet glass of multiple decoration, so have good decorative effect, does not need to do ornament layer again after installation, not only saves material and also saves manpower and time; The composite evacuated plate of glass of the present invention is made up of glass and composite metal plate, so not only thickness is thin, lightweight, and has very high physical strength; Glass of the present invention composite evacuated plate manufacture craft is simple, production cost is low, can mechanize, automatization, 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 buildings, shortening building cycle; The composite evacuated plate of glass 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 lagging material, improve heat insulation and soundproof effect; The composite evacuated plate of glass of the present invention can also make sketch plate, is directly used in the production of refrigerator, refrigerator-freezer, refrigerator carriage, insulation can, refrigerator chamber, thermal container etc.
Accompanying drawing explanation
Fig. 1 is the composite evacuated plate structure schematic diagram of glass of the present invention;
Fig. 2 is the composite evacuated plate structure schematic diagram of glass of soldering edge sealing of the present invention.
In figure: 1. panel, 2. articulamentum, 3. vacuum chamber, 4. upholder, 5. solder.
Embodiment
Embodiment 1: see Fig. 1, the composite evacuated plate of glass is made up of panel 1, articulamentum 2, vacuum chamber 3 and upholder 4, and panel 1 is that the sheet glass of 2-6mm or toughened glass or coated glass or colored glazed glass or mat glass etc. are formed by thickness; Articulamentum 2 is resistant to elevated temperatures tackiness agent, can select organic adhesion agent and conventional inorganic adhesive or the organo-mineral complexing tackiness agent etc. such as the resistant to elevated temperatures Phenol aldehyde resin of normal temperature or hot setting, epoxy resin glue, silicone resin glue and polyimide; Vacuum chamber 3 is that the stainless steel plate of 0.15-1.0mm, stainless iron plate, electrolytic tinplate or galvanized sheet etc. are welded by thickness; Upholder 4 is made up of metal, pottery, glass or superpolymer, 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 upholder 4 is advisable with 0.15-1.0mm, and the diameter of point of suppon is advisable with 0.3-1.0mm.The making method of the composite evacuated plate of glass is as follows: the electrolytic tinplate that first cutting two pieces is onesize is for making vacuum chamber 3, and it is shaping to utilize the mode of punching press to carry out flanging to two pieces of electrolytic tinplates, by the mode of printing with the performed polymer of superpolymer for upholder 4 to be printed on wherein on one block of plate by raw material, seam welding machine is utilized to be welded together after two pieces of electrolytic tinplates close sheet, wherein one side or small part are not welded, as the passage vacuumized; Secondly make two pieces of onesize armourplate glasses as panel 1, choose epoxy resin glue as articulamentum 2, two surfaces up and down panel 1 being pasted onto vacuum chamber 3 by articulamentum 2 form composition board; Finally one piece or composition board are in batch sent in vacuum oven, first heating makes the epoxy resin adhesive curing of articulamentum 2, be evacuated to below 0.1Pa again, temperature when vacuumizing preferably more than 300 DEG C, to promote gas purging in vacuum chamber 3, after vacuum tightness reaches, utilize welding machine or laser generator by the bleed-off passage welded closure of vacuum chamber 3, remove vacuum, with stove cooling, open vacuum oven and obtain the composite evacuated plate of glass; In order to protect the impact of vacuum chamber 3 and elimination heat bridge, the surrounding of vacuum chamber 3 can smear seal gum or structure glue.
Embodiment 2: see embodiment 1 and Fig. 2, substantially the same manner as Example 1, difference is that the metal sheet of formation vacuum chamber 3 directly stamps out the groove of upholder 4 and edge sealing when impact briquetting, place low-temperature metal solder in groove as tin, zinc, magnesium and low melting point alloy thereof, completed the airtight sealing of vacuum chamber 3 by the soldering in vacuum oven.
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 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 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 composite evacuated plate of glass, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is sheet glass, described panel is connected as a whole with described vacuum chamber by described articulamentum, described vacuum chamber is welded by sheet metal, described panel and or described articulamentum provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber high vacuum in vacuum oven, mass automatic welding sealing under high temperature, upholder is had in described vacuum chamber, above support makes separately or directly formed on vacuum chamber.
2. the composite evacuated plate of glass as claimed in claim 1, is characterized in that the composite evacuated plate of described glass comprises smooth plate, curved slab, bending plate and sketch plate.
3. the composite evacuated plate of glass as claimed in claim 1, is characterized in that described articulamentum is tackiness agent or plastics sheet.
4. the composite evacuated plate of glass as claimed in claim 1, is characterized in that can having enhancement Layer or stiffener in described articulamentum.
5. the composite evacuated plate of glass 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 lines dislocation of lower upper surface, it is made to form landing edge, to reduce edge heat bridge impact during installation.
6. the composite evacuated plate of glass as claimed in claim 1, is characterized in that described vacuum chamber is Low emissivity chamber.
7. the composite evacuated plate of glass as claimed in claim 1, is characterized in that described welding comprises melting welding, pressure welding and soldering.
8. the composite evacuated plate of glass as claimed in claim 1, is characterized in that above support has one to several layers.
9. the composite evacuated plate of glass as claimed in claim 1, is characterized in that there is getter in described vacuum chamber.
10. the making method of the composite evacuated plate of the glass described in any one of claim 1 to 9, is characterized in that comprising the following steps:
The first step, make two pieces of panels and two pieces of metal sheets for the formation of vacuum chamber respectively according to the shape of the composite evacuated plate of the glass of required making and size, it is shaping and make upholder at least one piece of metal sheet two pieces of metal sheets for the formation of vacuum chamber to be carried out flanging;
Two pieces of panels are first joined together to form composition board respectively by articulamentum and two pieces of metal sheets by second step, then two pieces of composition board alignment are snapped together; Or first two pieces of metal sheet alignment fastenings for the formation of vacuum chamber welded together and reserve bleed-off passage, then being joined together to form composition board by articulamentum and two pieces of panels; Composition board is sent in vacuum oven, once can send into several piece;
3rd step, first vacuum oven is warming up to the temperature of articulamentum fusing or solidification, again vacuum oven is warming up to the temperature of bleeding, then vacuum oven is evacuated to below 0.1Pa, utilize the mode of welding by vacuum chamber hermetic welded closure, remove vacuum, with stove cooling, open vacuum oven and obtain the composite evacuated plate of glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298723.XA CN104291705A (en) | 2013-07-17 | 2013-07-17 | Glass composite vacuum plate and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298723.XA CN104291705A (en) | 2013-07-17 | 2013-07-17 | Glass composite vacuum plate and preparing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104291705A true CN104291705A (en) | 2015-01-21 |
Family
ID=52311698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298723.XA Withdrawn CN104291705A (en) | 2013-07-17 | 2013-07-17 | Glass composite vacuum plate and preparing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104291705A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035013A (en) * | 2017-06-22 | 2017-08-11 | 合肥永泰新型建材有限公司 | A kind of vacuum glass wall of intensity height and insulation |
| CN107092107A (en) * | 2017-05-23 | 2017-08-25 | 重庆森土科技发展有限公司 | Building outer wall decorative material dimming glass |
| CN109335316A (en) * | 2018-09-29 | 2019-02-15 | 南京东大冷链科技有限公司 | A kind of vacuum insulation heat-barrier material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201024620Y (en) * | 2007-03-30 | 2008-02-20 | 兆宁 | Composite vacuum exterior wall thermal insulation decorative board |
| CN201066022Y (en) * | 2007-06-06 | 2008-05-28 | 兆宁 | Metal vacuum heat-insulation plate |
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102953441A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Convex-sided vacuum heat-insulating board, flattened vacuum heat-insulating board and preparation methods thereof |
-
2013
- 2013-07-17 CN CN201310298723.XA patent/CN104291705A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201024620Y (en) * | 2007-03-30 | 2008-02-20 | 兆宁 | Composite vacuum exterior wall thermal insulation decorative board |
| CN201066022Y (en) * | 2007-06-06 | 2008-05-28 | 兆宁 | Metal vacuum heat-insulation plate |
| US20120321822A1 (en) * | 2009-11-27 | 2012-12-20 | Luoyang Landglass Technology Co., Ltd | Compound Sealing Method for Vacuum Glass |
| CN102953441A (en) * | 2012-03-21 | 2013-03-06 | 戴长虹 | Convex-sided vacuum heat-insulating board, flattened vacuum heat-insulating board and preparation methods thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107092107A (en) * | 2017-05-23 | 2017-08-25 | 重庆森土科技发展有限公司 | Building outer wall decorative material dimming glass |
| CN107035013A (en) * | 2017-06-22 | 2017-08-11 | 合肥永泰新型建材有限公司 | A kind of vacuum glass wall of intensity height and insulation |
| CN109335316A (en) * | 2018-09-29 | 2019-02-15 | 南京东大冷链科技有限公司 | A kind of vacuum insulation heat-barrier material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103422583A (en) | Metal composite vacuum plate and preparation method thereof | |
| CN103422582B (en) | Ceramic composite vacuum insulation plate and preparation method thereof | |
| CN104291705A (en) | Glass composite vacuum plate and preparing method thereof | |
| CN203543250U (en) | Glass composite vacuum panel | |
| CN203766165U (en) | Ceramic composite vacuum plate | |
| CN103422633B (en) | Two vacuum layer Ceramic Composite evacuated panels having getter and preparation method thereof | |
| CN104295018A (en) | Metal composite vacuum insulation plate and preparation method thereof | |
| CN203603399U (en) | Composite vacuum plate | |
| CN104295023A (en) | Composite vacuum plate and preparation method thereof | |
| CN103420623A (en) | Dual-vacuum-layer metal vacuum composite board provided with getter, and preparation method of same | |
| CN104294934A (en) | Composite vacuum heat insulation plate and preparation method thereof | |
| CN103422637A (en) | Double-vacuum-layer glass composite vacuum plate and preparation method thereof | |
| CN104294950A (en) | Double-vacuum layer metal composite vacuum plate and preparation method thereof | |
| CN104294935A (en) | Double-vacuum layer glass composite vacuum insulation plate and preparation method thereof | |
| CN203603278U (en) | Stone composite vacuum plate | |
| CN103422634B (en) | Metal composite vacuum plate having getter and preparation method thereof | |
| CN103422632B (en) | There is composite evacuated plate of the stone material of getter and preparation method thereof | |
| CN104294936A (en) | Metal vacuum composite insulation plate and preparation method thereof | |
| CN104295028A (en) | Ceramic composite vacuum plate and preparation method thereof | |
| CN104294927A (en) | Double vacuum layer composite vacuum plate with degassers and preparation method of double vacuum layer composite vacuum plate | |
| CN104294931A (en) | Double-vacuum layer metal composite vacuum insulation plate and preparation method thereof | |
| CN104295027A (en) | Ceramic composite vacuum plate with mounting hole and preparation method thereof | |
| CN103422585A (en) | Glass composite vacuum thermal insulation plate and preparation method thereof | |
| CN104294949A (en) | Double-vacuum layer metal composite vacuum plate with mounting hole and preparation method thereof | |
| CN203600716U (en) | Metal composite vacuum plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150121 |
|
| WW01 | Invention patent application withdrawn after publication |