CN102007347B - Solar energy reflector - Google Patents
Solar energy reflector Download PDFInfo
- Publication number
- CN102007347B CN102007347B CN2009801136754A CN200980113675A CN102007347B CN 102007347 B CN102007347 B CN 102007347B CN 2009801136754 A CN2009801136754 A CN 2009801136754A CN 200980113675 A CN200980113675 A CN 200980113675A CN 102007347 B CN102007347 B CN 102007347B
- Authority
- CN
- China
- Prior art keywords
- mirror
- solar energy
- supporter
- reflection body
- energy reflection
- 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.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0808—Mirrors having a single reflecting layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/82—Arrangements for concentrating solar-rays for solar heat collectors with reflectors characterised by the material or the construction of the reflector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Sustainable Development (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
Abstract
Solar energy reflectors (1) according to the present invention comprise a mirror (5) laminated to a support (6) by means of a bonding material (9) comprising a foam tape.
Description
Technical field
The present invention relates to solar energy reflection body and manufacture method thereof.
Reflector of the present invention can be used in solar energy or heating facility, for example concentration solar generating equipment.Such facility uses solar energy at first to produce heat, and described heat can be subsequently converted to electricity or be used for steam and produce.Wherein can use the concentration solar generating equipment of reflector of the present invention to comprise for example parabola slot type generating equipment, concentrated tower-type electricity generation equipment (also referred to as settled date mirror generating equipment), disc type heat collector and Fresnel (Fresnel) reflection generating equipment.Solar energy reflection body of the present invention can be used in this class facility of plane mirror or curved surface mirror.
Background technology
The solar energy reflection body can be made by the lamilated body that formation comprises the thin mirror that is attached to support chip, and described support chip has the surface size substantially the same with this mirror.If mirror is thin, can obtain its maximum reflectivity, therefore when passing the base material of mirror, solar energy less absorbed.But thin mirror may be bad aspect mechanical resistance, therefore may need they are laminated on support base material such as sheet metal.This mirror and support base material form single laminate structures.In addition alternatively, the solar energy reactor can use mirror as follows to make, and described mirror is adapted to not to be used supporting pieces and, for this mirror provides enough mechanical resistances, for example has the mirror of larger thickness.Bracing or strutting arrangement can be connected on mirror to be used for the fixed solar facility and/or can help to keep the curve form of mirror.
Known by means of epoxy resin, based on organosilyl adhesive, polyurethane binder, hotmelt, acrylic resin based adhesive or polyvinyl chloride binder course, mirror layer is incorporated on their supporter.Usually find advantageously to comprise acrylic resin for bond material.In some cases, epoxy resin, organic siliconresin and polyurethane resin can discharge chemical substance, the skin of paint of described chemical substance erodable mirror and finally corrode silver layer; When occurring when crosslinked, epoxy resin can produce tensile stress between the skin of paint of mirror and silver layer, and this can cause separating in mirror structure; Hotmelt can lose its flexible at least a portion when being exposed to higher temperature, this can cause separating of mirror and support chip; When sheet metal expanded in the temperature difference that stands to operate, some were based on organosilyl material (for example structuring organosilicon) rigidity too, and this can cause that the paint of mirror and silver layer are drawn out; Organosilicon can produce planar disfigurement during laminated; Polyurethane resin may be not enough to the opposing ultraviolet ray.Acrylic resin may demonstrate advantage aspect chemically neutral, ultraviolet repellence and flexible and elasticity.Perhaps alternatively, bond material can comprise EVA (ethylene vinyl acetate) or other polymer film based on acetate, PVB (polyvinyl butyral resin), TPU (thermoplastic polyurethane) or based on the film of ionomer.These materials can demonstrate favourable character aspect chemically neutral, ultraviolet repellence and flexible and elasticity.Other known bond material can comprise acrylic psa, and this can be used as transfering belt (transfer tape) and provides, and wherein adhesive is present between two supportive releasing pieces that are intended to be removed.Perhaps alternatively, it can be used as support type adhesive tape (supported tape) and provides, and wherein adhesive provides on the both sides of the support chip that is intended to keep.Such support type adhesive tape for example comprises the core that basically PET film or polyester foil, consists of, and this core is surrounded by the layer that basically the pressure-sensitive resin of acrylic compounds, consists of.
Summary of the invention
One of according to aspects of the present invention, the invention provides solar energy reflection body as defined in claim 1.Other claim defines preferred and/or optional aspect of the present invention.
Solar energy reflection body according to the present invention comprises the mirror that is laminated into supporter by the bond material that comprises the foam adhesive tape, mirror and supporter form laminated assembly like this, be single laminate structures, this structure builds with bond material the mode that mirror and supporter combine.Preferably, bond material consists of foam adhesive tape (foam tape) basically.
This can provide the advantageous property that comprises one of following or any combination:
Directly the bonding comparable utilization after applying is not larger by the same binder of foam carrier load;
The thickness of foam adhesive tape and flexiblely provide effective mating surface, it is greater than the typical thin and more rigid support type adhesive tape of the PET that for example uses acrylic resin.In fact, opposite with foamed material, thin and more rigid bond material can not adapt to the scrambling on the plane in mirror and/or supporter, and therefore can not be fitted in rightly its whole surface, produces the air bubble that is trapped between mirror and/or supporter and bond material.These defects are known as " explosion (popping) "; They can produce optical defect in reflector.The present invention can reduce or avoid the risk of explosion.
The elasticity of foam adhesive tape can allow the slight opposing parallel displacement of the faying face of mirror and supporter, for example due to the cause of the bending of the differential thermal expansion of mirror and supporter or lamilated body;
The high water-fast degree of foam adhesive tape or moisture-proof degree and sufficient bond strength can be reflector provides good corrosion resistance;
Good ultraviolet repellence.
This foam adhesive tape can advantageously comprise or preferably basically following substances, consist of: foam carrier, be coated with adhesive on two main surfaces of this foam carrier, namely by adhesive material the layer around foam core material.
Preferably, this foam carrier comprises or more preferably basically following material, consists of: at least a polyethylene, polyurethane, vinylite, neoprene, EPDM and the polyester of being selected from.Polyethylene can be preferred due to its low cost.We have found that, the adhesive on being coated in foam carrier, the mechanical resistance that looks like foam itself has determined the performance of the anti-layering of reflector.Interior poly-can control by selecting suitable foam carrier of reflector.Advantageously, foam carrier can consist of polyethylene basically, and can have according to DIN53455 and be at least 5, and preferably at least 8, more preferably 10N/mm at least
2Hot strength (measuring on the wide sample of 15mm); Its hot strength can be less than or equal to 50, preferably is less than or equal to 40, is more preferably less than or equals 30, perhaps preferably is less than or equal to 25N/mm again
2Can advantageously have according to DIN53455 and be at least 80 for the polyethylene carrier, preferably at least 100, more preferably at least 200, more more preferably at least 240% percentage elongation; Percentage elongation can be less than or equal to 500, preferably is less than or equal to 450, perhaps is more preferably less than or equals 400%.This foam carrier can have at least 0.2, the preferred thickness of 0.4mm at least; Thickness can be less than or equal to 3.5mm, preferably is less than or equal to 2mm.
Advantageously, this foam carrier consists of closed-cell foam material basically.This can help the water that provides good, water vapour and humidity sealing, and therefore helps to provide good persistence for reflector.
Preferably, the adhesive that applies this foam carrier comprises acrylic compounds or structured adhesive; It can comprise or more preferably basically following material, consist of: at least a acrylic compounds, organosilicon, polyurethane, epoxy, MS polymer and the rubber of being selected from.Adhesive preferably can consist of acrylic compounds basically.Acrylic resin can have favourable performance aspect chemically neutral, ultraviolet repellence and flexible and elasticity.They can further provide cohesive adhesion fast.In specific embodiment, this adhesive can be different in the both sides of this foam carrier.
In the preferred embodiment of the invention, this bond material exists on whole surface basically the supporter of object mirror.This can provide good cohesive and anti-laminarity and/or can reduce water and enter place risks between supporter and mirror, otherwise can improve the risk of mirror corrosion.
The mirror of the prior art of using in the solar energy reflection body is made in the mode of the conventional family expenses mirror for internal application usually, is as follows: at first, with plate glass (float glass process soda lime glass) sheet polishing, then typically use SnCl
2The aqueous solution carry out sensitization; After flushing, usually by ammoniated silver nitrate, process the glass surface activation, then apply silver plating solution to form the opaque coating of silver; Then cover this silver coating with protective copper layer, then with one or more leaded skin of paints, cover this silver coating in order to produce the finished product mirror.It is believed that, the combination of protective copper layer and leaded paint is necessary for acceptable aging characteristics and enough corrosion resistancies are provided.
Recently, developed the mirror that need not conventional copper layer, this mirror can use substantially unleaded paint and still have aging characteristics and the corrosion resistance that can accept even to improve.For example, United States Patent (USP) 6,565,217 have disclosed a kind of embodiment of the mirror without the copper layer, comprise successively according to this mirror of record: vitreous substrate; Be provided at tin and the palladium of vitreous substrate surface; Silver-colored coat on described substrate surface; The tin that is present in silver-colored coat surface, described silver-colored coat is adjacent with at least one skin of paint; And at least one covers the skin of paint of silver-colored coat.Such mirror provides significant progress with respect to conventional copper facing mirror.
Solar energy reflection body according to the present invention preferably includes without the mirror of copper layer and comprises glass baseplate, the silver-colored coat that provides on the surface of glass baseplate and at least one covers the skin of paint of silver-colored coat.Preferably, this mirror is laminated into supporter, makes at least one skin of paint opposite support.The silver coat provides the reflecting layer (it reflects through the solar rays of sheet glass) of mirror.This at least one skin of paint can be that silver layer provides protection in case due to the possible chemical erosion of bond material, and the bond material surface that can be adhered to.
Provide on the edge of mirror edge-protected can be provided solar energy reflection body according to the present invention.This edge of exposure that can help to protect silver layer is with anticorrosion.
Supporter can be basically be selected from following material and be formed by at least a: metal material, plastic material, composite and glass.Preferably, it is made by steel, stainless steel, galvanized steel, painted steel or aluminium.
In preferred embodiments, supporter is the sheet material with surface size substantially the same with mirror, i.e. identical length and identical width.This comprises following embodiment, and wherein supporter can be a bit larger tham mirror dimensionally, and mirror can be attached to supporter so that for example the projecting edge of 5mm can be extended out the outer rim of mirror.
Preferably, when being sheet metal, the thickness of supporter can be greater than 0.5mm or 0.6mm, and less than 1mm or 0.9mm; It can be preferably approximately 0.7 or 0.8mm.
Advantageously, when mirror was laminated on supporter on its whole surface, the thickness of mirror can be greater than 0.9mm or 1.1mm; It can be less than 2mm or 1.5mm; It can be preferably approximately 0.95 or 1.25mm.This thin and flexible mirror wherein needing in the application of camber reflection body can be used for.The camber reflection body also can utilize thicker mirror manufacturing, and described mirror is not incorporated on support with their whole superficial layer; In this case, the thickness of mirror can be greater than 2mm or 2.5mm; It can be less than 5mm or 4.5mm.When using planar reflector, the gross thickness of mirror can be greater than 2mm or 2.5mm; It can be less than 6mm or 5mm.
Preferably, the thickness that the silver-colored coat of mirror has is 80nm at least, 100nm at least, more preferably 120nm at least, or 140nm at least; Its thickness can be less than 200nm, preferably less than 180nm.Silver layer can comprise 800-2000mg/m
2Silver, preferred 1400-1800mg/m
2Silver.These values provide good compromise between good high energy (energetic) reflectance value of reflector and acceptable manufacturing cost.Preferably, (total iron content that namely has is with Fe by super clear glass for the glass baseplate of mirror
2O
3Meter is less than the glass of 0.02 % by weight) make.This also can be conducive to the good energetic reflection coefficient value of reflector.
In a preferred embodiment of the mirror for the solar energy reflection body according to the present invention, what put on the skin of paint of silver layer top or skin of paint is one of at least unleaded or basically unleaded.This is favourable, because lead is poisonous and it is avoided having environmental benefit.The unleaded ratio of lead in paint that mean basically here significantly is used for the ratio of the leaded paint of mirror in routine lower than lead.Plumbous ratio in essentially no lead oil enamelled coating as defined herein is less than 500mg/m
2, preferably less than 400mg/m
2, be more preferably less than 300mg/m
2Plumbous ratio in lead-free paint layer as defined herein is less than 100mg/m
2, preferably less than 80mg/m
2, be more preferably less than 60mg/m
2
The finished product reflector can have according to standard ISO 9050:2003 greater than 90%, is preferably greater than 92% energetic reflection coefficient.The energetic reflection coefficient can be less than 97% or less than 96%.
Description of drawings
Now, will in the mode of only giving an example, embodiment of the present invention be described by reference to Fig. 1-2 and embodiment 1-5 and comparative example 1-4.
Fig. 1 is the cross sectional representation of solar energy reflection body of the present invention.Fig. 2 is the schematic diagram according to curved solar energy reflector of the present invention.Fig. 3 is the schematic diagram of dynamic shear test.These figure not drawn on scale.
The specific embodiment
Fig. 1 has shown solar energy reflection body (1), described solar energy reflection body (1) comprises by bond material (9) and is laminated to mirror (5) on the supporter of the sheet-form of metal (6) for example, and this bond material consists of the foam adhesive tape basically.This mirror comprises glass baseplate (2), silver layer (3) and at least one skin of paint (4).Foam adhesive tape (9) comprises foam carrier (7), is coated with adhesive (8,8 ') on two main face.
Fig. 2 shows curved solar energy reflector (10), and it comprises by foam adhesive tape (90,90 ') and is laminated to mirror (5) on the supporter of two differently contoured (profiles) (60,60 ') forms of metal for example.
Fig. 3 shows the sample that comprises mirror (5), adhesive tape (99) and steel supporter (6) that stands dynamic shear test.Arrow shows the direction of motion.
Embodiment 1-4 and comparative example 1-3 (non-according to the present invention) have reported for being adhered to
The adhesive test that the bond material without on copper layer mirror that the type mirror is namely sold by AGC Flat Glass Europe SA carries out is measured.Result provides in Table I and II.AF represents adhesion failure (adhesive failure), and CF represents cohesional failure (cohesive failure).
In embodiment 1, bond material is the foam adhesive tape that has with the thick polyethylene carrier of the 0.8mm of pure acrylic acid class adhesive coating.Embodiment 2 has the bond material identical with embodiment 1, but foam carrier has the thickness of 1.6mm.Embodiment 3 has the bond material identical with embodiment 1, but foam carrier has the thickness of 2mm.Embodiment 4 has the bond material identical with embodiment 1, but foam carrier has the thickness of 3.2mm
In comparative example 1, bond material is the acrylic compounds transfering belt; The acrylic adhesives of this transfering belt is identical with the acrylic adhesives in embodiment 1-4.In comparative example 2, bond material is the thick acrylic compounds support type adhesive tape of 75 μ m that comprises the thick PET supporter of 12 μ m; The quality of the acrylic adhesives of this support type adhesive tape aspect bonding is lower than the acrylic adhesives of embodiment 1-4.In comparative example 3, bond material is the thick acrylic compounds support type adhesive tape of 130 μ m that comprises the thick PET supporter of 12 μ m; The acrylic adhesives of this support type adhesive tape is identical with the acrylic adhesives of embodiment 1-4.
The surperficial required intensity of combination is torn in the disbonded test measurement.The measurement of disbonded test was carried out on mirror with 180 ° after 20 minutes and 24 hours under non-loaded.The result of these tests (Table I) demonstrates the optimum of foam adhesive tape and acrylic compounds support type adhesive tape (comparative example 3).
Static shear test has shown that bond material resists the ability of dead load in time.For these tests, adhesive is placed on mirror and was placing 1 hour under 80 ℃ under 23 ℃ and for other sample for some samples; Then the weight of 1kg is fixed on sample.Adhesive surface is 12.5x12.5mm.Obtain best result, especially at room temperature (referring to Table I) for the foam adhesive tape.At higher temperature, it seems that thinner foam adhesive tape provided better result.The comparative example demonstrates the acrylic compounds transfering belt or the support type adhesive tape has provided poor result.
Table I
Following carry out (referring to the Fig. 3) of dynamic shear test.The galvanized steel sample (2.5x6.5cm) of the sample (2.5x10x0.4cm) of cleaning and dry mirror and japanning.Apply the adhesive tape of a 1.5x2.5cm on mirror, and utilize the roll-in system of 1kg.Then steel sample is applied on this adhesive tape and the roll-in system of utilization.Then allow sub-assembly polymerization 2 days under room temperature and humidity.Measured initial value and at room temperature carry out other measurement after 1 week aging after these 2 days.With the hauling speed of 5mm/min and at room temperature shearing force is applied to sample until destroy.Each embodiment and comparative example carry out three or four times and measure, and the mean value of these results and standard deviation provide in Table II.This shows the advantage of foam adhesive tape with respect to acrylic compounds support type adhesive tape, and especially for the repeatability (lower standard deviation) of the result of foam adhesive tape.
Table II
In embodiment 5, utilize the foam adhesive tape mirror layer of 40cmx60cm to be incorporated on the support steel disc with surface size substantially the same with mirror, described foam adhesive tape has the polyethylene carrier that is coated with acrylic adhesives.Sub-assembly is crooked.Be placed in static furnace under the steady temperature of 80 ℃ 1 month.After this is processed, see on mirror without mist degree, observe and do not peel off or separate.In comparative example 4, identical sub-assembly and test are carried out, but bond material is the acrylic compounds transfering belt., at the whole mist degree that arrives outwardly of mirror, especially in its marginal portion, and observe peeling off of mirror silver layer at edge.
Claims (14)
1. solar energy reflection body, comprise by bond material and be laminated to mirror on supporter, it is characterized in that this bond material comprises the foam adhesive tape, mirror and supporter are combined, so that mirror and supporter form the laminated assembly of single laminate structures form.
2. according to claim 1 solar energy reflection body, wherein the foam adhesive tape comprises foam carrier, is coated with adhesive on two main surface.
3. according to claim 2 solar energy reflection body, wherein foam carrier consists of at least a material that is selected from polyethylene, polyurethane, vinylite, neoprene, EPDM and polyester basically.
4. according to claim 2 or 3 solar energy reflection body, wherein foam carrier consists of closed-cell foam material basically.
5. according to claim 2 solar energy reflection body, wherein adhesive comprises at least a material that is selected from acrylic compounds, organosilicon, polyurethane, epoxy, MS polymer and rubber.
6. according to claim 2 solar energy reflection body, wherein foam carrier consists of polyethylene basically, and has according to DIN 53455 and be 5-50N/mm
2Hot strength.
7. according to claim 2 solar energy reflection body, wherein foam carrier consists of polyethylene basically, and has according to DIN 53455 and be the percentage elongation of 80-500%.
8. according to claim 2 solar energy reflection body, wherein foam carrier has the thickness of 0.2-3.5mm.
9. according to claim 1 solar energy reflection body, wherein bond material is present on the whole surface basically of supporter of object mirror.
10. according to claim 1 solar energy reflection body, wherein this mirror does not have the copper layer, and comprises glass baseplate, the silver-colored coat that provides on the surface of glass baseplate and at least one covers the skin of paint of silver-colored coat.
11. solar energy reflection body according to claim 10, wherein mirror is laminated on supporter, makes described at least one skin of paint towards supporter.
12. solar energy reflection body according to claim 1, wherein supporter consists of at least a material that is selected from metal material, plastic material, composite and glass basically.
13. solar energy reflection body according to claim 1, wherein supporter is the sheet material with surface size substantially the same with mirror.
14. the foam adhesive tape is used for, at the solar energy reflection body, mirror layer to be incorporated into purposes on supporter as bond material, wherein this bond material combines mirror and supporter, so that mirror and supporter form the laminated assembly of single laminate structures form.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08154780.4 | 2008-04-18 | ||
| EP08154780 | 2008-04-18 | ||
| PCT/EP2009/054601 WO2009144095A2 (en) | 2008-04-18 | 2009-04-17 | Solar energy reflector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102007347A CN102007347A (en) | 2011-04-06 |
| CN102007347B true CN102007347B (en) | 2013-11-20 |
Family
ID=39719086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801136754A Expired - Fee Related CN102007347B (en) | 2008-04-18 | 2009-04-17 | Solar energy reflector |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20110220098A1 (en) |
| EP (1) | EP2268981A2 (en) |
| CN (1) | CN102007347B (en) |
| AU (1) | AU2009253324B2 (en) |
| IL (1) | IL208736A0 (en) |
| WO (1) | WO2009144095A2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013056279A1 (en) * | 2011-10-17 | 2013-04-25 | Kornmueller Manfred | Fastening arrangement for mirror glasses suitable for solar installations |
| 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 |
| WO2015184550A1 (en) * | 2014-06-06 | 2015-12-10 | 6637418 Canada Inc. Carrying On Business As Rackam | Solar collector |
| JP6335300B2 (en) * | 2014-07-14 | 2018-05-30 | 富士フイルム株式会社 | Reflector for solar power generation |
| CN107727551B (en) * | 2017-10-26 | 2020-11-27 | 英利能源（中国）有限公司 | Method for detecting water permeability of foam adhesive tape for photovoltaic module |
| EP4332458A1 (en) * | 2022-09-01 | 2024-03-06 | Covestro Deutschland AG | Concentrator for heliostats |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4035065A (en) * | 1975-09-24 | 1977-07-12 | Nasa | Lightweight reflector assembly |
| BE893050A (en) * | 1981-08-21 | 1982-11-03 | Glaverbel | COMPOSITE MIRROR AND MANUFACTURE OF COMPOSITE MIRROR |
| US4469089A (en) * | 1982-02-02 | 1984-09-04 | Sorko Ram Paul O | Lightweight, low cost radiant energy collector and method for making same |
| US4484574A (en) * | 1984-01-25 | 1984-11-27 | Keene Corporation | Self-rolled foam tape without release layer and method of making same |
| US4682865A (en) * | 1986-01-31 | 1987-07-28 | Power Kinetics, Inc. | Concave mirror apparatus and method of construction |
| US6565217B2 (en) * | 1994-05-12 | 2003-05-20 | Glaverbel | Silver coated mirror |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2444950A1 (en) * | 1978-12-20 | 1980-07-18 | Electricite De France | Solar energy collector mirro for electric generator - has glass sheet held in desired position and shape desired only by filler material |
| JPS57104046A (en) * | 1980-12-17 | 1982-06-28 | Matsushita Electric Ind Co Ltd | Installation of solar heat collector |
| GB9511841D0 (en) * | 1995-06-10 | 1995-08-09 | Pilkington Glass Ltd | Mirrors and their production |
| US6158877A (en) * | 1998-04-03 | 2000-12-12 | Zadro; Zlatko | Magnifying mirror having focused annular illuminator |
-
2009
- 2009-04-17 EP EP09753750A patent/EP2268981A2/en not_active Withdrawn
- 2009-04-17 US US12/988,099 patent/US20110220098A1/en not_active Abandoned
- 2009-04-17 AU AU2009253324A patent/AU2009253324B2/en not_active Ceased
- 2009-04-17 WO PCT/EP2009/054601 patent/WO2009144095A2/en active Application Filing
- 2009-04-17 CN CN2009801136754A patent/CN102007347B/en not_active Expired - Fee Related
-
2010
- 2010-10-14 IL IL208736A patent/IL208736A0/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4035065A (en) * | 1975-09-24 | 1977-07-12 | Nasa | Lightweight reflector assembly |
| BE893050A (en) * | 1981-08-21 | 1982-11-03 | Glaverbel | COMPOSITE MIRROR AND MANUFACTURE OF COMPOSITE MIRROR |
| US4469089A (en) * | 1982-02-02 | 1984-09-04 | Sorko Ram Paul O | Lightweight, low cost radiant energy collector and method for making same |
| US4484574A (en) * | 1984-01-25 | 1984-11-27 | Keene Corporation | Self-rolled foam tape without release layer and method of making same |
| US4682865A (en) * | 1986-01-31 | 1987-07-28 | Power Kinetics, Inc. | Concave mirror apparatus and method of construction |
| US6565217B2 (en) * | 1994-05-12 | 2003-05-20 | Glaverbel | Silver coated mirror |
Also Published As
| Publication number | Publication date |
|---|---|
| IL208736A0 (en) | 2010-12-30 |
| WO2009144095A3 (en) | 2010-03-04 |
| AU2009253324B2 (en) | 2012-09-20 |
| CN102007347A (en) | 2011-04-06 |
| EP2268981A2 (en) | 2011-01-05 |
| AU2009253324A1 (en) | 2009-12-03 |
| US20110220098A1 (en) | 2011-09-15 |
| WO2009144095A2 (en) | 2009-12-03 |
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