CN104155738B - The Salar light-gathering reflector elements of the heat collector of trough type solar power generation - Google Patents
The Salar light-gathering reflector elements of the heat collector of trough type solar power generation Download PDFInfo
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- CN104155738B CN104155738B CN201410359067.4A CN201410359067A CN104155738B CN 104155738 B CN104155738 B CN 104155738B CN 201410359067 A CN201410359067 A CN 201410359067A CN 104155738 B CN104155738 B CN 104155738B
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Abstract
Disclosed in this invention is a kind of solar energy reflection mirror component of heat collector suitable for trough type solar power generation, including slot type back mirror and back seat, is resin glass fiber fabric hollow sandwich-structure glass steel product as principal character with back seat its described.With rational in infrastructure, solar reflectance is high, lightweight, long service life, the features such as minute surface frost-free.
Description
Technical field
The present invention relates to a kind of Salar light-gathering reflector elements of the heat collector of trough type solar power generation, belong to the sun
Can hot power generating equipment technology.
Background technology
The Salar light-gathering reflector elements involved in the present invention, its shape as shown in Figure 1, and its speculum
Minute surface is parabola.
The Salar light-gathering speculum involved in the present invention（Or condenser）Component, it is anti-by the Salar light-gathering
Penetrate mirror and pedestal（Or back seat）Fixedly connected composition.
The existing Salar light-gathering speculum, a kind of is the thick individual layer safety glass speculums of 4mm, and another kind is
4mm thick safety glass speculum, the backrest glass with more than 4mm（Or sheet metal）The double-deck solar energy reflection of compound composition
Mirror.Undoubtedly, 2 kinds of solar energy reflection mirrors more than described, all exist from great, weathering performance especially anti-field flying sands and howling wind
The problem of ability, is particularly due to its glass thickness light loss used greatly, causes solar energy（Light）Reflectivity is low（Typically less than 93%）
Deficiency, and significantly affects the generating efficiency of solar power generation, hence it is evident that increased the operation cost of solar energy thermal-power-generating.
Especially in the region that latitude is higher, such as on China Inner Mongol and other places, described this solar energy reflection mirror
Minute surface can occur frosting, often after waiting minute surface frosting to melt, progressively could normally put into solar energy to after during the morning 11
Hot generator operation.This phenomenon, is that institute of solar energy thermal-power-generating operator is unacceptable.
For the above a variety of deficiency, in recent years, Chinese patent is had been disclosed for by 1.1-1.6mm thick ultra-thin ultrawhite
Safety glass back mirror（I.e. light reflective silver layer lining is on the rear surface of glass mirror）, and it is located at the high-strength of the speculum behind
The solar energy reflection mirror component that degree plastic base matches fixed.Described this solar energy reflection mirror component, effectively increases
Solar energy（Light）Reflectivity（Up to 96%）；Its own wt is alleviated, the manufacture of solar thermal collector mounting bracket is reduced
Cost；Enhance all-weather weathering ability, the frost of solar energy reflection mirror minute surface alleviated to a certain extent, achieve compared with
Good technical economic benefit.
However, the solar energy reflection mirror component that described this glass mirror is combined with plastic base, however it remains plastics
Pedestal complex manufacturing technology（There is large-scale injection machine and mould）, uvioresistant and anti-seismic design be poor, easily aging to use
Life-span is shorter to wait not enough, and it is not strong to be particularly due to its plastic base heat-insulating property of itself, thus its ability for suppressing frosting is still
It is right and not satisfactory.
Therefore, researching and developing, a kind of weathering ability is strong, manufacture craft is relatively simple, long service life, possesses the white ability of suppression
Solar energy reflection mirror component, it is expectation in the industry to become.
The content of the invention
It is contemplated that the solar energy reflection mirror component institute being combined by glass reflector and plastic base for prior art
The deficiency of presence is improved, and it is high to provide a kind of solar reflectance, and weathering ability is strong, and manufacture craft is relatively simple,
Long service life, the Salar light-gathering reflection for possessing the heat collector for trough type solar power generation for suppressing minute surface frosting ability
Mirror component, supports for growing solar energy thermal-power-generating provides equipment.
The present invention realizes the technical though of its purpose, and one is using both the solar energy reflection mirror and back seat composite solids
The structure type of fixed connection；Two is as the speculum base still using 1.1~1.6mm thick ultra-thin ultrawhite safety glass
Material, to effectively improve the reflecting rate of the speculum；Three is to use and the glass expansion coefficient（3.3×10-6）It is close
Woven glass cloth-resin glass fibre reinforced plastics（7.0×10-6）Product as the speculum back seat, to effectively improve its weathering ability
And service life, mitigate weight, simplify manufacture craft, reduce production cost, four be fiberglass back seat is manufactured it is close
Hollow sandwich-structure glass steel back seat is closed, to improve its heat-insulation and heat-preservation ability, further suppresses the solar energy reflection mirror mirror
The frost in face, five is to take Conventional glass steel manufacture craft, plays 1.1~1.6mm thickness glass of the ultra-thin chemical tempering
The flow performance of glass, on precisely paraboloidal shaping formpiston, produces anti-with the accurate paraboloidal solar energy
Mirror is penetrated, further to improve its reflecting rate（Reach >=96%）；So as to realize the purpose of the present invention.
Based on above-mentioned technical though, the present invention realizes that the technical scheme of its purpose is：
A kind of Salar light-gathering reflector elements of the heat collector of trough type solar power generation, including by being processed through tempering
The minute surface that 1.1 ~ 1.6mm thick ultra-thin ultra-clear glasses are made is paraboloidal slot type back mirror, and after being located at the speculum
The back seat at the back side, and the speculum is fixedly connected with back seat integral；The back seat have for the heat collector
The corresponding fixedly connected built-in fitting of mounting bracket, its innovative point is：
A, the back seat are resin glass fiber fabric hollow sandwich-structure glass steel products, and the hollow sandwich structure glass
Glass steelwork back seat, link is adhesively fixed and both are mutually integral with the speculum by the way that fiberglass is laminating；
B, positioned at the speculum notch both sides back seat the first bead, and leaning on positioned at the left and right two ends of speculum
Carry on the back seat the second bead, by fiberglass block and make the hollow sandwich-structure glass steel product back seat in its inner chamber with
The seal of isolation.
By technical scheme given above, could be aware that the present invention realizes it and wants with reference to the technology of the present invention conception
The purpose of realization.
And the glass steelwork back seat, a kind of described hollow sandwich-structure glass steel product preferred for this invention leans on
It is successively from the inside to the outside polyurethane glue-line, the first glass carpet veneer, the first glass from the rear back side of the speculum that the structure for carrying on the back seat is
Fine tissue layer, glass fiber tridimensional core tissue layer, the second Woven glass cloth layer and the second glass carpet veneer；And foregoing each glass fiber material
Layer, via resin by the integral hollow sandwich-structure glass steel product backrest of Conventional glass steel Preparation Method adhesive solidification
Seat.
Certainly, the structure of the hollow sandwich-structure glass steel product back seat is not limited thereto.Its multilayer glass
The arrangement of material layer can also be diversified forms, and the number of plies of its glass fiber material layer can also be added and subtracted and adjusted；Especially
The position of its glass fiber tridimensional core tissue layer, can be positioned as close to the rear back side of the speculum.
Wherein described Chopped Strand Mat, currently preferred is chopped glass fiber felt.It is belonging to the category of adhesive-bonded fabric.
For the consideration of the physical and mechanical properties for further effectively strengthening the back seat included by the present invention, the present invention
Also advocate that first Woven glass cloth layer and the second Woven glass cloth layer are constituted by 2 ~ 5 layers of glass-fiber-fabric are compound, and adjacent two layers
The interlaced arrangement of warp-wise and broadwise of glass-fiber-fabric.
Wherein described glass-fiber-fabric, preferred for this invention is glass woven roving.Due to the biaxially work of glass woven roving
With the stability of its form can be strengthened while the physical properties such as the intensity of effective reinforcing glass steelwork back seat.
And the structure of the Chopped Strand Mat, it is to be interlocked to gather overlapping through rolling by intensive glass fibre.Due to it
The ability contained to the infiltration bubble of resin is poor, it is possible to can influence the physical properties such as the intensity of glass steelwork.In order to effectively disappear
Except this influence, present invention opinion, the first glass carpet veneer and the second glass carpet veneer, be has acupuncture to lead to along its thickness direction
The acupuncture Chopped Strand Mat in hole, and the acupuncture Chopped Strand Mat grammes per square metre in 100 ~ 400g/m2In the range of.
In the above-mentioned technical solutions, it is of the invention also to advocate, in the hollow sandwich-structure glass steel product back seat most
There is resin gel coating resin on the surface of the second glass carpet veneer of outer layer.Due to the presence of resin gel coating resin, the present invention is further enhancing
Physical and chemical performance and weathering ability.
At the same time, the present invention also advocates there is what is compounded by lacquer type organic coating and diamond dust on the surface of the resin gel coating resin
Coating.Due to the presence of resin diamond dust built coating, further increase the present invention and resist extreme natural environment（Flying dirt
And hail）The ability and thermal property of invasion and attack.
And a kind of described glass fiber tridimensional core tissue layer preferred for this invention, by bottom Woven glass cloth layer and upper strata glass
Tissue layer, arranges with along broadwise in continuous V-shaped, has in the glass core long filament braiding of the double X fonts arrangements of interruption along warp-wise
Spacing is stood to link and is constituted.This described glass fiber tridimensional core material woven fabric, the applicant has applied for Chinese patent preceding, and
Put into production in batches.Certainly it is not limited thereto, the glass fiber tridimensional core tissue layer, it would however also be possible to employ other hollow sandwiches
Structural material, such as highstrenghtpiston's honeycomb sandwich panel, aluminum honeycomb panel material and Fang Lun honeycomb boards etc..
In the above-mentioned technical solutions, the present invention also advocates that the thickness of the glass fiber tridimensional core tissue layer is in 10 ~ 50mm models
In enclosing.But it is not limited thereto.The thickness of the glass fiber tridimensional core tissue layer, depending on being visually actually needed.
In the above-mentioned technical solutions, present invention opinion, for making the tree of hollow sandwich-structure glass steel product back seat
Fat is isophthalic resin or vinylite or epoxy resin.Wherein it is preferred that isophthalic resin.
In the above-mentioned technical solutions, it is of the invention also to advocate, the glass of the first Woven glass cloth layer and the second Woven glass cloth layer
Fine fabric construction, is plain weave structure, or twill structure, or satin construction, or jacquard structure, or 4 kinds of fabrics
The mixed goods structure any of more than two kinds of structure, and the Woven glass cloth grammes per square metre in 100 ~ 400g/m2In the range of.With regard to it
Depending on cost performance, currently preferred is glass-fiber-fabric of the bi-axial fabric in plain weave structure, especially glass woven roving.
After above-mentioned technical proposal is carried out, it is rational in infrastructure that the present invention has, and own wt is light, solar reflectance
Height, weathering ability is strong, and manufacture craft is simple, low production cost, long service life and the features such as suppress minute surface frosting, is aobvious and easy
See.
Brief description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of the invention；As seen from Figure 1, configuration of the present invention is in groove
Shape；
Fig. 2 is the A-A profiles of Fig. 1；
Fig. 3 is the B portions enlarged drawing of Fig. 2；
Fig. 4 is the broadwise profile of the glass fiber tridimensional core tissue layer 2-4 included by the present invention；
Fig. 5 is the warp-wise profile of the glass fiber tridimensional core tissue layer 2-4 included by the present invention.
Specific embodiment
Accompanying drawing is below compareed, by the description of specific embodiment, the invention will be further described.
A kind of typical specific embodiment, as shown in accompanying drawing 1 ~ 5.
A kind of Salar light-gathering reflector elements of the heat collector suitable for trough type solar power generation, including by through tempering
The minute surface that 1.1 ~ 1.6mm for the treatment of thick ultra-thin ultra-clear glasses are made is paraboloidal slot type back mirror 1, and is located at described anti-
The back seat 2 at the back side after mirror 1 is penetrated, and the speculum 1 is fixedly connected with back seat 2 integral；The back seat 2 have for
The corresponding fixedly connected built-in fitting 3 of the heat collector mounting bracket, and its：
A, the back seat 2 are resin glass fiber fabric hollow sandwich-structure glass steel products, and the hollow sandwich structure
Glass steelwork back seat 2, link is adhesively fixed and both are mutually integral with the speculum 1 by the way that fiberglass is laminating；
B, positioned at the notch both sides of the speculum 1 back seat 2 the first bead 4, and positioned at the left and right two ends of speculum 1
Back seat 2 the second bead 5, blocked by fiberglass and make the hollow sandwich-structure glass steel product back seat 2 be in
The seal that its inner chamber is hedged off from the outer world.
And the structure of the hollow sandwich-structure glass steel product back seat 2 is, the rear back side from the speculum 1 is by interior
To be successively outward polyurethane glue-line 2-1, the first glass carpet veneer 2-2, the first Woven glass cloth layer 2-3, glass fiber tridimensional core tissue layer
2-4, the second Woven glass cloth layer 2-5 and the second glass carpet veneer 2-6；And foregoing each glass fiber material layer, via resin by conventional
The integral hollow glass steelwork back seat 2 of fiberglass preparation method adhesive solidification.
And the first Woven glass cloth layer 2-3 and the second Woven glass cloth layer 2-5, constituted by 2 ~ 5 layers of glass-fiber-fabric are compound, and
The interlaced arrangement of warp-wise and broadwise of adjacent two layers glass-fiber-fabric.
And the first glass carpet veneer 2-2 and the second glass carpet veneer 2-6, it is the pin for having acupuncture through hole along its thickness direction
Thorn Chopped Strand Mat, and the acupuncture Chopped Strand Mat grammes per square metre in 100 ~ 400 g/m2In the range of.
And there is resin glue on the surface of the outermost second glass carpet veneer 2-6 in the hollow glass steelwork back seat 2
Clothing layer 2-7.
And have the coating 2-8 compounded by lacquer type organic coating and diamond dust on the surface of the resin gel coating resin 2-7.
And the glass fiber tridimensional core tissue layer 2-4, by bottom Woven glass cloth layer 2-4-1 and upper strata Woven glass cloth layer 2-4-
2, arranged in continuous V-shaped with along broadwise, have in the glass core long filament 2-4-3 braidings of the double X fonts arrangements of interruption along warp-wise
Spacing is stood to link and is constituted.
And the thickness of the glass fiber tridimensional core tissue layer 2-4 is in the range of 10 ~ 50mm.
And the resin for being used for making hollow glass steelwork back seat 2 is isophthalic resin or vinylite or asphalt mixtures modified by epoxy resin
Fat.
And the Woven glass cloth structure of the first Woven glass cloth layer 2-3 and the second Woven glass cloth layer 2-5, it is plain weave structure,
Or twill structure, or satin construction, or jacquard structure, or 4 kinds of fabric constructions mixing any of more than two kinds
Fabric construction, and the Woven glass cloth grammes per square metre in 100 ~ 400g/m2In the range of.Currently preferred is glass woven roving.
Manufacturing process of the invention is with reference to the brief description of version：
It is the rear outer preceding surface for penetrating mirror 1 of 1.1mm/1.6mm by the thickness, posts with accurate paraboloidal formpiston
On, and be allowed to the closely connected fixation of the formpiston, make it is described after the outer minute surface for penetrating mirror 1 possess accurately parabola；Thereafter rear anti-
The rear surface of mirror 1 is penetrated, polyurethane glue-line 2-1 is uniformly coated with, and arranges built-in fitting 3, then be combined upper first chopped glass fiber successively
Carpet veneer 2-2, the first Woven glass cloth layer woven roving 2-3, glass fiber tridimensional core tissue layer 2-4, the second Woven glass cloth layer woven roving 2-
5, the second chopped glass fiber carpet veneer 2-6, and during above-mentioned being combined, last layer glass fiber material layer is often combined, uniformly brush one
Layer isophthalic resin, treats described glass fiber material layer 2-2,2-3,2-4,2-5,2-6, is combined after adhesion, then positioned at outermost one
The surface of the second chopped glass fiber felt 2-6 of layer, brushing isophthalic resin, treats each layer glass fiber material layer, by isophthalic tree repeatedly
After fat homogeneous immersion and the glass fiber tridimensional core tissue layer 2-4 stand up, its solidification is allowed to be bonded to one under natural environment
Body, and at the bead 4 positioned at the notch both sides of glass reflector 1 and the back seat 2 at left and right two ends, 5 positions, Woven glass cloth is used respectively
Implement sealing comprehensively with resin；Then again the second chopped glass fiber felt 2-6 surfaces isophthalic resin layer surface, then coat successively
Isophthalic resin gel coating resin 5 and lacquer type organic coating diamond dust built coating 2-8, treat it in natural environment（Can also suitably heat）Solidification
After sizing, you can the demoulding and preparation cost are invented.
And resin used, or vinylite or epoxy resin.Preferably isophthalic resin.
And the tempering treatment of glass used, it is preferred to use chemical tempering treatment, but also it is not excluded for physical toughened treatment.
And the back mirror 1, it is the speculum of the plated surface cloth argentum reflecting layer after glass mirror.
And why minute surface frost-free, learn that its reason is by experiment and scene observation on probation：
Glass steelwork back seat 2 included by the present invention, just as having been put on " warm-keeping protective clothes " to glass reflector 1
Like that, first it faces directly and blocks northerly cold current, the sandwich that second its glass fiber tridimensional core tissue layer 2-4 is constituted
Air in layer, absorbs and has contained the glass reflector 1 and face the photo-thermal of the sun directly, and persistently improves solar energy of the present invention
The body temperature of reflector elements.To evening, the hot-air in the laminboard layer of back seat 2 is again constantly to glass reflector 1
Heat supply, so that the surface temperature of glass reflector 1, remains on frosting temperature spot, so as to effectively inhibit the mirror
The generation of face frosting problem.
Invention as described above first sample test result on probation shows that its service life was produced into up to 25 ~ 30 years
, than the solar energy reflection mirror component reduction by 20 ~ 30% using plastic base, own wt is than the sun using two-layer compound glass for this
Energy speculum reduces by more than 50, and solar reflectance reaches >=96%, and on probation in Inner Mongolia autumn and winter, minute surface does not find
There is frost, achieve fairly obvious technical economic benefit, realize original intention of the invention.
Claims (10)
1. a kind of Salar light-gathering reflector elements of the heat collector of trough type solar power generation, including by being processed through tempering
The minute surface that 1.1 ~ 1.6mm thick ultra-thin ultra-clear glasses are made is paraboloidal slot type back mirror（1）, and it is located at the speculum
（1）The back seat at the back side afterwards（2）, and the speculum（1）With back seat（2）It is fixedly connected integral；The back seat（2）Have
For fixedly connected built-in fitting corresponding with the mounting bracket of the heat collector（3）, it is characterised in that：
A, the back seat（2）It is resin glass fiber fabric hollow sandwich-structure glass steel product, and the hollow sandwich structure glass
Glass steelwork back seat（2）, with the speculum（1）Link is adhesively fixed by the way that fiberglass is laminating and both are mutually integral；
B, positioned at the speculum（1）The back seat of notch both sides（2）The first bead（4）, and positioned at speculum（1）It is left and right
The back seat at two ends（2）The second bead（5）, blocked by fiberglass and make the hollow sandwich-structure glass steel product lean on
Back of the body seat（2）In the seal that its inner chamber is hedged off from the outer world.
2. Salar light-gathering reflector elements according to claim 1, it is characterised in that the hollow sandwich structure glass
Steelwork back seat（2）Structure be, from the speculum（1）The rear back side be successively from the inside to the outside polyurethane glue-line（2-1）、
First glass carpet veneer（2-2）, the first Woven glass cloth layer（2-3）, glass fiber tridimensional core tissue layer（2-4）, the second Woven glass cloth layer
（2-5）With the second glass carpet veneer（2-6）；And foregoing each glass fiber material layer, pass through Conventional glass steel Preparation Method via resin
The integral hollow sandwich-structure glass steel product back seat of adhesive solidification（2）.
3. Salar light-gathering reflector elements according to claim 2, it is characterised in that the first Woven glass cloth layer
（2-3）With the second Woven glass cloth layer（2-5）, constituted by 2 ~ 5 layers of glass-fiber-fabric are compound, and adjacent two layers glass-fiber-fabric warp-wise and latitude
To interlaced arrangement.
4. Salar light-gathering reflector elements according to claim 2, it is characterised in that the first glass carpet veneer（2-
2）With the second glass carpet veneer（2-6）, it is the acupuncture Chopped Strand Mat for having acupuncture through hole along its thickness direction, and the acupuncture Chopped Strand Mat
Grammes per square metre in 100 ~ 400g/m2In the range of.
5. Salar light-gathering reflector elements according to claim 1, it is characterised in that in the hollow glass steelwork
Back seat（2）Outermost second glass carpet veneer（2-6）Surface have resin gel coating resin（2-7）.
6. Salar light-gathering reflector elements according to claim 5, it is characterised in that in the resin gel coating resin（2-
7）Surface have the coating compounded by lacquer type organic coating and diamond dust（2-8）.
7. Salar light-gathering reflector elements according to claim 2, it is characterised in that the glass fiber tridimensional core fabric
Layer（2-4）, by bottom Woven glass cloth layer（2-4-1）With upper strata Woven glass cloth layer（2-4-2）, arranged in continuous V-shaped with along broadwise
Cloth, along the glass core long filament that warp-wise is arranged in the double X fonts of interruption（2-4-3）Weave and there is spacing to stand and link composition.
8. Salar light-gathering reflector elements according to claim 2 or 7, it is characterised in that the glass fiber tridimensional core
Tissue layer（2-4）Thickness in the range of 10 ~ 50mm.
9. Salar light-gathering reflector elements according to claim 1 and 2, it is characterised in that for making hollow glass
Steelwork back seat（2）Resin be isophthalic resin or vinylite or epoxy resin.
10. Salar light-gathering reflector elements according to claim 2, it is characterised in that the first Woven glass cloth layer
（2-3）With the second Woven glass cloth layer（2-5）Woven glass cloth structure, be plain weave structure, or twill structure, or satin weave knot
Structure, or jacquard structure, or 4 kinds of fabric constructions mixed goods structure any of more than two kinds, and the Woven glass cloth
Grammes per square metre in 100 ~ 400g/m2In the range of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410359067.4A CN104155738B (en) | 2014-07-25 | 2014-07-25 | The Salar light-gathering reflector elements of the heat collector of trough type solar power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359067.4A CN104155738B (en) | 2014-07-25 | 2014-07-25 | The Salar light-gathering reflector elements of the heat collector of trough type solar power generation |
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| CN104155738B true CN104155738B (en) | 2017-07-04 |
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| CN104459849B (en) * | 2015-01-06 | 2017-06-06 | 江苏泰瑞斯特新材料科技股份有限公司 | Salar light-gathering reflector elements and preparation method thereof |
| JP6889896B2 (en) * | 2016-06-10 | 2021-06-18 | 国立大学法人東海国立大学機構 | FRP mirror structure, manufacturing method of FRP mirror structure, and telescope |
| EP3853073A4 (en) * | 2018-09-19 | 2022-11-16 | Simplehuman LLC | Vanity mirror |
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| EP2212626A4 (en) * | 2007-10-24 | 2014-01-08 | Esolar Inc | Calibration and tracking control of heliostats in a central tower receiver solar power plant |
| EP2500670A1 (en) * | 2011-03-14 | 2012-09-19 | Rioglass Solar, S.A. | Composite reflective element and method for the manufacture thereof |
| CN103789905B (en) * | 2014-01-28 | 2015-06-10 | 江苏泰瑞斯特新材料科技有限公司 | Vertical core material woven fabric |
| CN103837914B (en) * | 2014-03-04 | 2017-01-25 | 常州长江玻璃有限公司 | Sunlight reflecting mirror component used for solar thermal power generation |
| CN204166186U (en) * | 2014-07-25 | 2015-02-18 | 常州悦诚新材料有限公司 | A kind of Salar light-gathering reflector elements of heat collector of trough type solar power generation |
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Address after: 213164, building B802, building 1, Changzhou science and Education City, No. 18 middle Wu Road, Wujin District, Jiangsu, Changzhou Applicant after: TRUST NEW MATERIAL TECHNOLOGY INC. Address before: 213164, building B802, building 1, Changzhou science and Education City, No. 18 middle Wu Road, Wujin District, Jiangsu, Changzhou Applicant before: The special new material Science and Technology Ltd. of Jiangsu Tyrese |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213000 No. B001, block B, Changzhou Keji street, 179-2 Yulong South Road, Zhonglou Economic Development Zone, Changzhou City, Jiangsu Province Patentee after: Jiangsu Baokun New Material Technology Co.,Ltd. Address before: Building b802, No.1, chuangyangang, Changzhou science and Education City, No.18, middle Changwu Road, Wujin District, Changzhou City, Jiangsu Province, 213164 Patentee before: TRUST NEW MATERIAL TECHNOLOGY Inc. |