CN104295025A - Double vacuum layer stone composite vacuum plate with mounting hole and preparation method of double vacuum layer stone composite vacuum plate - Google Patents
Double vacuum layer stone composite vacuum plate with mounting hole and preparation method of double vacuum layer stone composite vacuum plate Download PDFInfo
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- CN104295025A CN104295025A CN201310298691.3A CN201310298691A CN104295025A CN 104295025 A CN104295025 A CN 104295025A CN 201310298691 A CN201310298691 A CN 201310298691A CN 104295025 A CN104295025 A CN 104295025A
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Abstract
A double vacuum layer stone composite vacuum plate with a mounting hole comprises a panel, a connecting layer and a vacuum cavity, and is characterized in that the mounting hole and an extraction opening are integrated into a whole; the panel is made of nature stones or artificial stones; the panel and/or the connecting layer provide (s) additional strength for the vacuum cavity, and ensure (s) the smoothness of the housing under the atmospheric pressure; the vacuum cavity is closed and formed in such a way that a metal plate is subjected to welding and edge sealing under the normal pressure and sealing at a high temperature in vacuum; the sealing is achieved through automatically sealing the extraction opening, prefabricated in the housing, in a vacuum furnace by low-temperature solder according to a liquid sealing principle; the low-temperature solder comprises low-temperature metal and alloy solder; a clapboard is arranged in the vacuum cavity, and divides the interior of the vacuum cavity into double vacuum layers; and struts are arranged in the vacuum layers. The double vacuum layer stone composite vacuum plate has the advantages that the preparation method is simple in process, the prepared double vacuum layer stone composite vacuum plate can overcome defects of a conventional insulation board and a conventional vacuum insulation board, and the strength, the heat insulation performance, the sound insulation performance and the fire resistance can be enhanced.
Description
Technical field
The present invention relates to energy-saving building technology field, particularly relate to a kind of composite evacuated plate of two vacuum layer stone materials having installing hole 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 heat insulating material, as organic materials such as polystyrene, polyurethane, bipeltates, these organic material heat resistances are poor, easy firing, not only discharge a large amount of heats during burning, produce a large amount of poison gas, and large fire spread can be accelerated; Simultaneously, molten contracting can be there is in organic material when fire, produce density flaming droplet, on initiation insulation layer, institute's tile fixing 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 building and public building.Reach in the heat insulating material of A grade standard in combustibility, mainly with the inorganic material that mineral wool and rock wool are representative, but existing home made article requires very large gap with Application in Building in water absorption rate, intensity, weatherability etc., be directly used in construction wall insulation, problems such as water suction will being occurred, drop, be softening.In addition, A level heat insulating material cost is far away higher than organic material, and complicated construction technique construction cost is far beyond the expense of B level heat insulating 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 heat insulating material grown up in recent years, mainly comprise vacuum bag and core etc., its major advantage be belong to A level heat insulating 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-resistant intensity are low, and soon, easily rise bag, insulation life-span of vacuum decay is short etc.In addition, above heat insulating material all needs to increase decoration overcoat.
Evacuated panel can substitute existing warming plate and be applied to and require heat insulation and place that is sound insulation, and some installation sites need punching on warming plate to install, and evacuated panel obviously cannot punch when mounted thereon, otherwise can destroy its vacuum.
Stone material has good abrasion resistance and durability, through processing rear surface attractive in appearance be imbued with ornamental, a kind of building and ornament materials of top grade, but its acid resistance is weak, poor thermal insulation property, from great, the intensity of superthin stone is lower, the heat insulating material fire resistance that is composited with polyurethane foam is bad.
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, a kind of novel composite evacuated plate of two vacuum layer stone materials having installing hole and preparation method thereof is provided, the preparation method technique of this pair of composite evacuated plate of vacuum layer stone material is simple, the prepared composite evacuated plate of two vacuum layer stone materials can overcome existing insulating board, the deficiency of vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of two composite evacuated plate of vacuum layer stone material, 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 composite evacuated plate of two vacuum layer stone materials having installing hole, comprise panel, articulamentum and vacuum chamber, it is characterized in that installing hole and extract opening unite two into one, described installing hole is through whole composite plate, described panel is lithotome or artificial stone, 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 at ambient pressure by metal sheet, high temperature seals and the closed cavity of formation under vacuo, described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace pre-extract opening on vacuum chamber, described solder comprises low-temperature metal and solder, a dividing plate is had in described vacuum chamber, described dividing plate forms two vacuum layer by being divided into two in described vacuum chamber, supporter is had in described vacuum layer, above support makes separately or directly formed on vacuum chamber or dividing plate.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method having the composite evacuated plate of two vacuum layer stone materials of installing hole, it is characterized in that comprising the following steps:
The first step, the have shape of the composite evacuated plate of two vacuum layer stone materials of installing hole and size according to required making make two pieces of panels and two pieces of metal sheets for the formation of vacuum chamber respectively, two pieces of metal sheets for the formation of vacuum chamber are carried out flanging shaping, and on two pieces of metal sheets, make supporter or supporter is produced on dividing plate, each block of plate makes extract opening or installing hole;
Two pieces of panels are first joined together to form composite plate respectively by articulamentum and two pieces of metal sheets by second step, then are welded together by two pieces of composite plates alignment fastenings, put a dividing plate between two pieces of composite plates, and then the peripheral weld of two pieces of metal sheets is connected together; Or first two pieces of metal sheet alignment fastenings, dividing plates for the formation of vacuum chamber are placed between two pieces of metal sheets, then peripheral weld is connected together, then is joined together to form composite plate by articulamentum and two pieces of panels; Place solder in advance, composite plate is sent in vacuum drying oven, once can send into several piece;
3rd step, first vacuum drying oven is warming up to the temperature of articulamentum solidification, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, solder fusing is by extract opening self-closed, with stove cooling, solder solidify rear to vacuum chamber realize tightness welding, open the composite evacuated plate of two vacuum layer stone materials that vacuum drying oven obtains installing hole.
Wherein, the composite evacuated plate of two vacuum layer stone materials of installing hole is had to comprise the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate described in.
Wherein, the composite evacuated plate of two vacuum layer stone materials of installing hole is had can also to have connector or groove etc. for installing described in.
Wherein, the composite evacuated plate of two vacuum layer stone materials of installing hole or the surrounding of vacuum chamber is had to scribble fluid sealant or structure glue described in.
Wherein, described panel is lithotome or artificial stone, described lithotome comprises granite, marble, sandstone, limestone, lava etc., and described artificial stone comprises polyester artificial marble, composite artificial marble, silicate-type artificial marble, slug type artificial marble etc.;
Further, the preferred superthin stone of described panel, to save material, reduce costs, reduce deadweight, to increase safety;
Further, described panel is single stone material, or the stone material of combination;
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 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 dislocation of lower upper surface, make it form overlap 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 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, described dividing plate is metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
Wherein, described dividing plate can be integrally welded with the inwall of vacuum chamber, makes vacuum chamber form two independently vacuum layer; Described dividing plate also can be placed directly in vacuum chamber, makes vacuum chamber form the vacuum layer of Liang Ge UNICOM.
Wherein, described dividing plate is that mirror board or its surface are coated with low-radiation film.
Wherein, described welding comprises melting welding, pressure welding, soldering etc., as argon arc welding, laser weld, ultrasonic bonding, low-melting-point metal and alloy welding and other welding manners for metal sheet especially ultra-thin metal plates.
Wherein, described extract opening or installing hole have one to several.
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 vacuum layer can share an extract opening or each vacuum layer respectively has an extract opening.
Wherein, described vacuum drying oven or the single-unit furnace of batch production, or the tunnel kiln that continous way is produced; The vacuum of described vacuum drying oven is 0.1-0.001Pa, is preferably 0.05-0.005Pa; The 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 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, high polymer to make.
Wherein, above support has one to several layers.
Wherein, above support can directly be produced on described dividing plate, 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 two vacuum layer stone materials having installing hole of the present invention is that metal sheet is made and has the protection of articulamentum and panel, so have fabulous tightness, puncture-resistant intensity and low emissivity, thus not only heat-proof quality is good but also have extremely long application life; The thickness of vacuum chamber is minimum, is generally less than 1 millimeter, so the thickness of whole composite plate 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; Of the present invention have the composite evacuated plate of two vacuum layer stone materials of installing hole to be formed by the Material cladding of several difformity and material, prevents resonance effects during sound transmission, in addition the existence of vacuum layer, so have good sound insulation value; The composite evacuated plate of two vacuum layer stone materials by installing hole of the present invention forms primarily of stone material and metal material, and articulamentum can select inorganic material or fire proofing, so have good fireproof performance; The stone material having its panel of the composite evacuated plate of two vacuum layer stone materials of installing hole can select multiple decoration of the present invention, so have good decorative effect, does not need after installation to do decorative layer again, not only saves material and saves manpower and time yet; Panel can be assembled by little stone material, so not only can turn waste into wealth, and can increase style; Can process by counter plate in the process that composite plate is produced, make it have higher intensity, better acidproof and anti-pollution characteristic; Of the present invention have the composite evacuated plate of two vacuum layer stone materials of installing hole to be made up of stone material and composite metal plate, so not only thickness is thin, lightweight, and has very high mechanical strength; Of the present invention have its vacuum chamber of the composite evacuated plate of two vacuum layer stone materials of installing hole to be divided into two by dividing plate to form two vacuum layer, the cost of increase and operation little, but effectively can improve heat insulation, sound insulation and the mechanical performance of composite evacuated plate; Of the present invention have the composite evacuated plate of two vacuum layer stone materials of installing hole to adopt normal temperature and pressure lower sealing edge, high-temperature vacuum lower sealing, installing hole and extract opening unite two into one, 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; Of the present invention have the composite evacuated plate of two vacuum layer stone materials of installing hole not only can be applied to new building, and the energy-conservation of existing building and outward appearance transformation can be applied to, installing hole can have one to several, 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; Of the present invention have the composite evacuated plate of two vacuum layer stone materials of installing hole to make sketch plate, is directly used in the production of refrigerator carriage, cold store, frozen products insulated container etc.
Accompanying drawing explanation
Fig. 1 is the composite evacuated plated construction schematic diagram of two vacuum layer stone materials having installing hole of the present invention.
In figure: 1. panel, 2. articulamentum, 3. vacuum chamber, 4. supporter, 5. dividing plate, 6. extract opening and installing hole, 7. solder.
Detailed description of the invention
See accompanying drawing, be made up of panel 1, articulamentum 2, vacuum chamber 3, supporter 4 and dividing plate 5 the composite evacuated plate of two vacuum layer stone materials of installing hole, lithotome or artificial stone etc. that panel 1 is 2-8mm by thickness are formed; 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; Vacuum chamber 3 is that the corrosion resistant plate of 0.15-1.0mm, stainless iron plate, electrolytic tinplate or galvanized sheet etc. are welded by thickness, and dividing plate 5 can adopt same sheet material, directly welds together with vacuum chamber 3, can increase the mechanical performance of vacuum chamber 3; Supporter 4 is made up of metal, pottery, glass or high polymer, modes such as utilizing printing, print, spray, machinery lays is that dot matrix is distributed on two surfaces up and down of dividing plate 5, 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 6 is directly stamped out by two pieces of metal sheets up and down of vacuum chamber 3 and pit form, and place solder 7 as tin, zinc, magnesium and low-melting alloy thereof in air exhaust nozzle, and solder 7 dissolves and automatically to seal extract opening 6 afterwards; Installing hole 6 and the same hole of air exhaust nozzle, through the whole pair of composite evacuated plate of vacuum layer stone material.There is the preparation method of the composite evacuated plate of two vacuum layer stone materials of installing hole as follows: the electrolytic tinplate that first cutting two pieces is onesize is for making vacuum chamber 3, and utilize the mode of punching press to two pieces of electrolytic tinplates carry out flanging shaping and make extract opening 6, the electrolytic tinplate that cutting one piece is more smaller is again as dividing plate 5 and produce installing hole 6, by printing mode with the performed polymer of high polymer for supporter 4 is printed on two surfaces up and down of dividing plate 5 by raw material, utilize seam welder to be welded together after three pieces of electrolytic tinplates close sheet, carry out edge sealing; Secondly making two pieces of onesize marble slabs as panel 1 produces installing hole 6, 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 places solder 7 in advance; Finally 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, be warming up to sealing temperature again, solder 7 melts extract opening 6 self-closed, lowers the temperature with stove, solder 7 solidifies final vacuum chamber 3 and realizes airtight sealing, opens the composite evacuated plate of two vacuum layer stone materials that vacuum drying oven obtains installing hole; In order to protect the impact of vacuum chamber 3 and elimination heat bridge, the surrounding of vacuum chamber 3 can smear fluid sealant or structure glue; In order to protect panel 1, in installing hole 6, protective casing can be added.
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. one kind has the composite evacuated plate of two vacuum layer stone materials of installing hole, comprise panel, articulamentum and vacuum chamber, it is characterized in that installing hole and extract opening unite two into one, described installing hole is through whole composite plate, described panel is lithotome or artificial stone, 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 at ambient pressure by metal sheet, high temperature seals and the closed cavity of formation under vacuo, described sealing utilizes solder according to hydraulic seal principle automatic-sealed in a vacuum furnace pre-extract opening on vacuum chamber, described solder comprises low-temperature metal and solder, a dividing plate is had in described vacuum chamber, described dividing plate forms two vacuum layer by being divided into two in described vacuum chamber, supporter is had in described vacuum layer, above support makes separately or directly formed on vacuum chamber or dividing plate.
2. there is the composite evacuated plate of two vacuum layer stone materials of installing hole as claimed in claim 1, described in it is characterized in that, have the composite evacuated plate of two vacuum layer stone materials of installing hole to comprise surface plate, curved slab, bending plate and sketch plate.
3. there is the composite evacuated plate of two vacuum layer stone materials of installing hole as claimed in claim 1, it is characterized in that described articulamentum is bonding adhesive or plastic sheet.
4. there is the composite evacuated plate of two vacuum layer stone materials of installing hole as claimed in claim 1, it is characterized in that can having enhancement Layer or stiffener in described articulamentum.
5. there is the composite evacuated plate of two vacuum layer stone materials of installing hole 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 heat bridge impact during installation.
6. there is the composite evacuated plate of two vacuum layer stone materials of installing hole as claimed in claim 1, it is characterized in that described dividing plate is metal sheet, glass plate, ceramic wafer or resistant to elevated temperatures high polymer plate.
7. there is the composite evacuated plate of two vacuum layer stone materials of installing hole as claimed in claim 1, it is characterized in that described dividing plate can be integrally welded with the inwall of vacuum chamber, make vacuum chamber form two independently vacuum layer; Described dividing plate also can be placed directly in vacuum chamber, makes vacuum chamber form the vacuum layer of Liang Ge UNICOM.
8. there is the composite evacuated plate of two vacuum layer stone materials of installing hole as claimed in claim 1, it is characterized in that described welding comprises melting welding, pressure welding and soldering.
9. there is the composite evacuated plate of two vacuum layer stone materials of installing hole as claimed in claim 1, it is characterized in that described vacuum chamber is Low emissivity chamber, in described vacuum chamber, have getter.
10. the preparation method having the composite evacuated plate of two vacuum layer stone materials of installing hole described in any one of claim 1 to 9, is characterized in that comprising the following steps:
The first step, the have shape of the composite evacuated plate of two vacuum layer stone materials of installing hole and size according to required making make two pieces of panels and two pieces of metal sheets for the formation of vacuum chamber respectively, two pieces of metal sheets for the formation of vacuum chamber are carried out flanging shaping, and on two pieces of metal sheets, make supporter or supporter is produced on dividing plate, each block of plate makes extract opening or installing hole;
Two pieces of panels are first joined together to form composite plate respectively by articulamentum and two pieces of metal sheets by second step, then are welded together by two pieces of composite plates alignment fastenings, put a dividing plate between two pieces of composite plates, and then the peripheral weld of two pieces of metal sheets is connected together; Or first two pieces of metal sheet alignment fastenings, dividing plates for the formation of vacuum chamber are placed between two pieces of metal sheets, then peripheral weld is connected together, then is joined together to form composite plate by articulamentum and two pieces of panels; Place solder in advance, composite plate is sent in vacuum drying oven, once can send into several piece;
3rd step, first vacuum drying oven is warming up to the temperature of articulamentum solidification, again vacuum drying oven is evacuated to below 0.1Pa, then vacuum drying oven is warming up to the temperature of sealing, solder fusing is by extract opening self-closed, with stove cooling, solder solidify rear to vacuum chamber realize tightness welding, open the composite evacuated plate of two vacuum layer stone materials that vacuum drying oven obtains installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298691.3A CN104295025A (en) | 2013-07-17 | 2013-07-17 | Double vacuum layer stone composite vacuum plate with mounting hole and preparation method of double vacuum layer stone composite vacuum plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310298691.3A CN104295025A (en) | 2013-07-17 | 2013-07-17 | Double vacuum layer stone composite vacuum plate with mounting hole and preparation method of double vacuum layer stone composite vacuum plate |
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| Publication Number | Publication Date |
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| CN104295025A true CN104295025A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310298691.3A Withdrawn CN104295025A (en) | 2013-07-17 | 2013-07-17 | Double vacuum layer stone composite vacuum plate with mounting hole and preparation method of double vacuum layer stone composite vacuum plate |
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| CN (1) | CN104295025A (en) |
Citations (8)
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|---|---|---|---|---|
| GB772972A (en) * | 1954-07-30 | 1957-04-17 | Gen Electric | Improvements relating to the manufacture of insulating panels |
| US3072520A (en) * | 1959-01-20 | 1963-01-08 | Fred A Groth | Vacuum-forming of a laminated article having a resilient central layer |
| 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 |
| CN201221140Y (en) * | 2008-02-18 | 2009-04-15 | 黄志贵 | Embedding buckle type hollow heat insulation exterior wall external heat preservation ceramoplastic composite board |
| 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 |
| CN202809869U (en) * | 2012-09-14 | 2013-03-20 | 昆山蓝胜建材有限公司 | Vacuum insulated panel |
| CN202882151U (en) * | 2012-10-30 | 2013-04-17 | 昆山蓝胜建材有限公司 | Vacuum insulated panel for construction |
-
2013
- 2013-07-17 CN CN201310298691.3A patent/CN104295025A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB772972A (en) * | 1954-07-30 | 1957-04-17 | Gen Electric | Improvements relating to the manufacture of insulating panels |
| US3072520A (en) * | 1959-01-20 | 1963-01-08 | Fred A Groth | Vacuum-forming of a laminated article having a resilient central layer |
| 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 |
| CN201221140Y (en) * | 2008-02-18 | 2009-04-15 | 黄志贵 | Embedding buckle type hollow heat insulation exterior wall external heat preservation ceramoplastic composite board |
| 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 |
| CN202809869U (en) * | 2012-09-14 | 2013-03-20 | 昆山蓝胜建材有限公司 | Vacuum insulated panel |
| CN202882151U (en) * | 2012-10-30 | 2013-04-17 | 昆山蓝胜建材有限公司 | Vacuum insulated panel for construction |
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Application publication date: 20150121 |