CN102873739B - Improved production method for vacuum insulated panel - Google Patents
Improved production method for vacuum insulated panel Download PDFInfo
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- CN102873739B CN102873739B CN201210187115.7A CN201210187115A CN102873739B CN 102873739 B CN102873739 B CN 102873739B CN 201210187115 A CN201210187115 A CN 201210187115A CN 102873739 B CN102873739 B CN 102873739B
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- film
- production method
- insulating plate
- vacuum
- vacuum heat
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000003381 stabilizer Substances 0.000 claims abstract description 7
- 239000004575 stone Substances 0.000 claims abstract description 6
- 229910002012 Aerosil® Inorganic materials 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 22
- 239000011162 core material Substances 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229920006284 nylon film Polymers 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- 235000012241 calcium silicate Nutrition 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 229920002748 Basalt fiber Polymers 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000002241 glass-ceramic Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 229920005610 lignin Polymers 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 229920006289 polycarbonate film Polymers 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000005033 polyvinylidene chloride Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910000733 Li alloy Inorganic materials 0.000 claims description 2
- 239000012190 activator Substances 0.000 claims description 2
- YSZKOFNTXPLTCU-UHFFFAOYSA-N barium lithium Chemical compound [Li].[Ba] YSZKOFNTXPLTCU-UHFFFAOYSA-N 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000001989 lithium alloy Substances 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 3
- 229910010272 inorganic material Inorganic materials 0.000 abstract description 2
- 239000011147 inorganic material Substances 0.000 abstract description 2
- 239000005909 Kieselgur Substances 0.000 abstract 2
- 229910052918 calcium silicate Inorganic materials 0.000 abstract 2
- 239000000378 calcium silicate Substances 0.000 abstract 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 abstract 2
- 239000008262 pumice Substances 0.000 abstract 2
- 239000000443 aerosol Substances 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 239000012784 inorganic fiber Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Abstract
The invention relates to an improved production method for a vacuum insulated panel, which comprises the following technical steps: dosing: inputting pumice stones, diatomaceous earth, calcium silicate, aerosil, inorganic fiber and vacuum stabilizer in proportion to a mixer to be mixed adequately; drying: drying the mixed materials which are agitated uniformly; core forming: inputting the dried materials and a degasser into a mould, and placing the mould into a press to be pressurized for forming; wrapping: taking a press-formed core plate out of the mould and wrapping the core plate in non-woven fabric to obtain a vacuum insulated panel core plate for buildings; placing the core plate in a high gas resistant film bag and vacuumizing, wherein the vacuum degree is 0.02-20 Pa; and then sealing. The invention has the advantages that the strength of the insulated panel is increased by mixing fiber, pumice stones, diatomaceous earth, calcium silicate and aerosol, and the insulating performance is improved. The core has a lower coefficient of heat conductivity and is an inorganic material which is not easy to combust. The raw materials are low in cost, the cost of the raw materials is lowered, and the environmental pollution is reduced.
Description
Technical field
The present invention relates to a kind of production method of vacuum heat-insulating plate of improvement, for the production of vacuum heat-insulating plate, this vacuum heat-insulating plate is used as building or industrial heat preservation material.
Background technology
Existing vacuum heat-insulating plate is primarily of inner insulated core material and cover high-gas resistance film formation outward, wherein insulated core material generally adopts conventional insulation material (as foamed plastic), glass fibre or/and the materials such as aeroge are made, its shortcoming is that material cost is high, and energy consumption is high, not environmentally.
Summary of the invention
The present invention aims to provide a kind of production method of vacuum heat-insulating plate of improvement, and high with the material cost solving prior art existence, energy consumption is high, problem not environmentally.
Technical scheme of the present invention is: a kind of production method of vacuum heat-insulating plate of improvement, core is loaded in high resistant air film bag, vacuumize rear sealing, it is characterized in that, described core composition and parts by weight are: float stone 20-30, diatomite 10-15, calcium silicates 15-20, aerosil 10-15, inorfil 8-12, vacuum stabilizer 2-3;
Manufacture craft comprises the steps:
(1) prepare burden: the material of described formula is dropped into mixer and fully mixes;
(2) dry: dried by the compound stirred, bake out temperature controls at 100-120 DEG C, until the moisture content of compound reaches less than 0.5%, stop drying;
(3) non-woven fabric bag: non-woven fabrics is made three banding sacks, or the three banding sacks making band limb;
(4) core material is filling: dropped into by the mixture of oven dry in the non-woven fabrics sack of three bandings, then by the heat-sealing of opening;
(5) Bag Material shakeouts: the mixture entirety of having sealed shakeout:
(6) compressing: by the packed mixture shakeout, under putting into press together with the non-woven fabrics sack of outside, carry out compression forming, obtain heat preservation core plate;
(7) heat preservation core plate inserted in high resistant air film bag and vacuumize, vacuum is 0.02-20Pa, then seals.
The drying course of step (2) also can carry out in the process of step (1) simultaneously.
In step (4), the filling speed of automatic filling machine be 8-25 bag/point, mixture is by measuring cup or Auger feeding and measure.
In step (3) and step (6), non-woven fabrics used is flame-retardant non-woven, and mass area ratio is 35-100g/m
2.
In step (5), the mixture sealed by manually shakeouing, or is flattened by roll shaft.
In step (6), the decrease speed of press controls at 3-7 cm/s, and Stress control is at 20-280T/m
2.
In step (6), compressing technique is progressively suppressed continuously shaped by the belt that upper and lower a few pair roller subband is dynamic continuously.
Described inorfil comprise in rock wool, glass, lignin fibre and glass-ceramic fibre more than one, mix with arbitrary proportion; Fibre length is 3-12mm, and diameter is 0.2-13 micron.
Described high resistant air film bag is made up of the overcoat in outside and the sealant compound of inner side, and sealing layer comprises aluminium foil, polyester film, nylon film, polyethylene film, polyvinyl chloride film, polystyrene film, polyvinylidene chloride, polyvinyl alcohol film, ethylene-vinyl acetate copolymer film, polyvinyl alcohol film, nylon film, ethylene/vinyl alcohol copolymer film, polycarbonate film, polyacrylic one or more are composited; The outermost protective layer of this high resistant air film bag by glass-fiber-fabric, non-woven fabrics, carbon-fiber cloth, basalt fiber cloth, ceramic fiber cloth one or more be composited.
Be provided with edge sealing at the two ends of described high resistant air film bag, this edge sealing is located at the relative of the two ends of this high resistant air film bag, is provided with the occlusal crib coincide with this edge sealing at the another side relative with this edge sealing.
Advantage of the present invention is: fiber mixes with float stone, diatomite, calcium silicates and aerosil the intensity adding warming plate, and improves heat-insulating property.Vacuum stabilizer improves the durability that vacuum keeps.Core can reach lower thermal conductivity factor, is again inorganic material, nonflammable, can meet the needs of country's six or five energy conservation plans.Low in raw material price, ensures certain low thermal conductivity, reduces cost of material; Decrease the pollution to environment.
Accompanying drawing explanation
Fig. 1 is the side structure schematic diagram of one embodiment of the invention;
Fig. 2 is another embodiment of the present invention side structure schematic diagram;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the docking schematic diagram of the present invention when applying.
Detailed description of the invention
The production method of the vacuum heat-insulating plate of a kind of improvement of the present invention, core is loaded in high resistant air film bag, vacuumize rear sealing, it is characterized in that, described core composition and parts by weight are: float stone 20-30, diatomite 10-15, calcium silicates 15-20, aerosil 10-15, inorfil 8-12 and vacuum stabilizer 2-3;
Manufacture craft comprises the steps:
(1) prepare burden: the material of described formula is dropped into mixer and fully mixes;
(2) dry: dried by the compound stirred, bake out temperature controls at 100-120 DEG C, until the moisture content of compound reaches less than 0.5%, stop drying;
(3) non-woven fabric bag: non-woven fabrics is made three banding sacks, or the three banding sacks making band limb;
(4) core material is filling: drop in the non-woven fabrics sack of three bandings with automatic filling machine by the mixture of oven dry, then by the heat-sealing of opening.The filling speed of automatic filling machine be 8-25 bag/point, mixture is by measuring cup or Auger feeding and measure.
(5) Bag Material shakeouts: the mixture entirety of having sealed shakeout.The mixture sealed by manually shakeouing, or is flattened by roll shaft.
(6) compressing: by the packed mixture shakeout, under putting into press together with the non-woven fabrics sack of outside, carry out compression forming, obtain heat preservation core plate.The decrease speed of press controls at 3-7 cm/s, and Stress control is at 20-280T/m
2.
Compressing technique also can be continuously shaped, and the belt dynamic by upper and lower a few pair roller subband is progressively compressing continuously.
(7) heat preservation core plate inserted in high resistant air film bag and vacuumize, vacuum is 0.02-20Pa, then seals.
The drying course of step (2) also can carry out in the process of step (1) simultaneously.
In step (3) and step (6), non-woven fabrics used is flame-retardant non-woven, and mass area ratio is 35-100g/m
2.
Described vacuum active stabilizing agent is by active carbon, and one or more arbitrary proportion mixtures in barium lithium alloy activator, calcium oxide, magnesia and silica gel are formed.
Described inorfil comprises the one in rock wool, glass, lignin fibre and glass-ceramic fibre, or with the two or more above-mentioned fiber of arbitrary proportion mixing.Described fibre length is 3-12mm, and diameter is 0.2-13 micron.
Described high resistant air film bag is made up of the overcoat in outside and the sealant compound of inner side.
Described sealant comprises aluminium foil, polyester film, nylon film, polyethylene film, polyvinyl chloride film, polystyrene film, polyvinylidene chloride, polyvinyl alcohol film, ethylene-vinyl acetate copolymer film, polyvinyl alcohol film, nylon film, ethylene/vinyl alcohol copolymer film, polycarbonate film, polyacrylic one or more are composited.
The outermost protective layer of described high resistant air film bag by glass-fiber-fabric, non-woven fabrics, carbon-fiber cloth, basalt fiber cloth, ceramic fiber cloth one or more be composited.
Described high resistant air film bag also can adopt the material of any existing routine to make.Getter is also conventional material, adopts scattering device or adopts Rotating fields to be arranged on the surface of central layer.
See Fig. 1-Fig. 4, the vacuum heat-insulating plate contour structures that the present invention makes can be conventional shape, is provided with sealing strip 3(see Fig. 1 at the two ends of high resistant air film bag 1).Also the sealing strip 3 at high resistant air film bag 1 two ends can be located at the relative one side at the two ends of this high resistant air film bag 1, be provided with the occlusal crib 4 coincide with this edge sealing at the another side relative with sealing limit 3.When constructing, adjacent two pieces of warming plate A1 and A2 edge sealing 3 being placed on (as shown in Figure 4) in the occlusal crib 4 of the other side, reducing the heat bridge thickness between adjacent two pieces of warming plates, improve heat insulation effect and efficiency of construction.
Claims (9)
1. the production method of the vacuum heat-insulating plate improved, core is loaded in high resistant air film bag, vacuumize rear sealing, it is characterized in that, described core composition and parts by weight are: float stone 20-30, diatomite 10-15, calcium silicates 15-20, aerosil 10-15, inorfil 8-12, vacuum stabilizer 2-3; Described inorfil comprise in rock wool, glass, lignin fibre and glass-ceramic fibre more than one, mix with arbitrary proportion; Fibre length is 3-12mm, and diameter is 0.2-13 micron; Described vacuum stabilizer is made up of one or more arbitrary proportion mixtures in active carbon, barium lithium alloy activator, calcium oxide, magnesia and silica gel;
Manufacture craft comprises the steps:
(1) prepare burden: the material of described formula is dropped into mixer and fully mixes;
(2) dry: dried by the compound stirred, bake out temperature controls at 100-120 DEG C, until the moisture content of compound reaches less than 0.5%, stop drying;
(3) non-woven fabric bag: non-woven fabrics is made three banding sacks, or the three banding sacks making band limb;
(4) core material is filling: dropped into by the mixture of oven dry in the non-woven fabrics sack of three bandings, then by the heat-sealing of opening;
(5) Bag Material shakeouts: the mixture entirety of having sealed shakeout:
(6) compressing: by the packed mixture shakeout, under putting into press together with the non-woven fabrics sack of outside, carry out compression forming, obtain heat preservation core plate;
(7) heat preservation core plate inserted in high resistant air film bag and vacuumize, vacuum is 0.02-20Pa, then seals.
2. the production method of the vacuum heat-insulating plate of improvement according to claim 1, is characterized in that: the drying course of step (2) also can carry out in the process of step (1) simultaneously.
3. the production method of the vacuum heat-insulating plate of improvement according to claim 1, is characterized in that: in step (4), the filling speed of automatic filling machine be 8-25 bag/point, mixture is by measuring cup or Auger feeding and measure.
4. the production method of the vacuum heat-insulating plate of improvement according to claim 1, is characterized in that: in step (3) and step (6), non-woven fabrics used is flame-retardant non-woven, and mass area ratio is 35-100g/m
2.
5. the production method of the vacuum heat-insulating plate of improvement according to claim 1, is characterized in that: in step (5), and the mixture sealed by manually shakeouing, or is flattened by roll shaft.
6. the production method of the vacuum heat-insulating plate of improvement according to claim 1, is characterized in that: in step (6), the decrease speed of press controls at 3-7 cm/s, and Stress control is at 20-280T/m
2.
7. the production method of the vacuum heat-insulating plate of improvement according to claim 1, is characterized in that: in step (6), compressing technique is progressively suppressed continuously shaped by the belt that upper and lower a few pair roller subband is dynamic continuously.
8. the production method of the vacuum heat-insulating plate of improvement according to claim 1, it is characterized in that, described high resistant air film bag is made up of the overcoat in outside and the sealant compound of inner side, and sealing layer comprises aluminium foil, polyester film, nylon film, polyethylene film, polyvinyl chloride film, polystyrene film, polyvinylidene chloride, polyvinyl alcohol film, ethylene-vinyl acetate copolymer film, polyvinyl alcohol film, nylon film, ethylene/vinyl alcohol copolymer film, polycarbonate film, polyacrylic one or more are composited; The outermost protective layer of this high resistant air film bag by glass-fiber-fabric, non-woven fabrics, carbon-fiber cloth, basalt fiber cloth, ceramic fiber cloth one or more be composited.
9. the production method of the vacuum heat-insulating plate of improvement according to claim 1, it is characterized in that, edge sealing is provided with at the two ends of described high resistant air film bag, this edge sealing is located at the relative one side at the two ends of this high resistant air film bag, is provided with the occlusal crib coincide with this edge sealing at the another side relative with this edge sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187115.7A CN102873739B (en) | 2012-06-08 | 2012-06-08 | Improved production method for vacuum insulated panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187115.7A CN102873739B (en) | 2012-06-08 | 2012-06-08 | Improved production method for vacuum insulated panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102873739A CN102873739A (en) | 2013-01-16 |
| CN102873739B true CN102873739B (en) | 2015-01-14 |
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ID=47475367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210187115.7A Active CN102873739B (en) | 2012-06-08 | 2012-06-08 | Improved production method for vacuum insulated panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN102873739B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672300A (en) * | 2013-11-07 | 2014-03-26 | 苏州市君悦新材料科技有限公司 | Novel heat-insulating coldness-preserving material |
| CN104100012B (en) * | 2014-08-04 | 2016-09-07 | 天津市建筑科学研究院有限公司 | A kind of vacuum inorganic heat preservation Side fascia and preparation method thereof and exterior wall heat-preserving system |
| CN104631634B (en) * | 2014-12-29 | 2017-07-11 | 中国科学院合肥物质科学研究院 | A kind of powder core material vacuum heat-insulation board for building and preparation method thereof |
| CN106317700A (en) * | 2016-08-30 | 2017-01-11 | 江苏爱富希新型建材股份有限公司 | Silicon-plastic plate and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057659A (en) * | 1990-06-23 | 1992-01-08 | 龙昂 | Composite heat insulatant thermal insulation material |
| EP1340728A1 (en) * | 2000-11-10 | 2003-09-03 | Mitsubishi Shoji Construction Materials Corporation | Composition for building material and building material |
| JP3783734B2 (en) * | 1995-05-30 | 2006-06-07 | 株式会社エーアンドエーマテリアル | Calcium silicate plate manufacturing method |
| WO2007033836A1 (en) * | 2005-09-23 | 2007-03-29 | Va-Q-Tec Ag | Method for the production of a vacuum insulation element wrapped in a film, filled with powder |
| CN101691899A (en) * | 2009-10-01 | 2010-04-07 | 福建赛特新材料有限公司 | Composite core material vacuum insulation panel and preparation method thereof |
| CN101734903A (en) * | 2008-11-14 | 2010-06-16 | 中国电力科学研究院 | Nano silica dioxide heat-insulating material and preparation method thereof |
| CN102173714A (en) * | 2011-01-19 | 2011-09-07 | 河北辽原硅藻材料有限公司 | Environment-friendly calcium silicate heat insulation product and preparation method thereof |
-
2012
- 2012-06-08 CN CN201210187115.7A patent/CN102873739B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057659A (en) * | 1990-06-23 | 1992-01-08 | 龙昂 | Composite heat insulatant thermal insulation material |
| JP3783734B2 (en) * | 1995-05-30 | 2006-06-07 | 株式会社エーアンドエーマテリアル | Calcium silicate plate manufacturing method |
| EP1340728A1 (en) * | 2000-11-10 | 2003-09-03 | Mitsubishi Shoji Construction Materials Corporation | Composition for building material and building material |
| WO2007033836A1 (en) * | 2005-09-23 | 2007-03-29 | Va-Q-Tec Ag | Method for the production of a vacuum insulation element wrapped in a film, filled with powder |
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Inventor after: He Yi Inventor after: Hou Qinpeng Inventor before: Di Chuanwei Inventor before: Li Zhuangxian |
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Address after: 266112 Shandong City, Chengyang District, Qingdao, the streets of the streets of the Wangjiazhuang neighborhood of the community on the north side of the 500 meters Patentee after: Qingdao Kerui new environmental protection materials Group Co. Ltd. Address before: 266112 Shandong City, Chengyang District, Qingdao, the streets of the streets of the Wangjiazhuang neighborhood of the community on the north side of the 500 meters Patentee before: Qingdao Creek New Environmental Materials Co., Ltd. |
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Denomination of invention: Improved production method for vacuum insulated panel Effective date of registration: 20161102 Granted publication date: 20150114 Pledgee: Qingdao urban and rural community construction financing Company limited by guarantee Pledgor: Qingdao Kerui new environmental protection materials Group Co. Ltd. Registration number: 2016990000932 |
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Date of cancellation: 20171127 Granted publication date: 20150114 Pledgee: Qingdao urban and rural community construction financing Company limited by guarantee Pledgor: Qingdao Kerui new environmental protection materials Group Co. Ltd. Registration number: 2016990000932 |
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Denomination of invention: Improved production method for vacuum insulated panel Effective date of registration: 20171206 Granted publication date: 20150114 Pledgee: Qingdao urban and rural community construction financing Company limited by guarantee Pledgor: Qingdao Kerui new environmental protection materials Group Co. Ltd. Registration number: 2017370010089 |
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Date of cancellation: 20190201 Granted publication date: 20150114 Pledgee: Qingdao urban and rural community construction financing Company limited by guarantee Pledgor: Qingdao Kerui new environmental protection materials Group Co. Ltd. Registration number: 2017370010089 |
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Denomination of invention: Improved production method for vacuum insulated panel Effective date of registration: 20190213 Granted publication date: 20150114 Pledgee: Qingdao Chengyuan Cci Capital Ltd Pledgor: Qingdao Kerui new environmental protection materials Group Co. Ltd. Registration number: 2019370010015 |