EP2475938A1 - Verfahren zur herstellung einer geneigtem glasplatte, herstellungssystem zur ausführung des verfahrens, geneigte spiegelanordnung mit einem geneigten spiegel und verfahren zur verwendung des geneigten spiegels oder der anordnung mit dem geneigten spiegel - Google Patents
Verfahren zur herstellung einer geneigtem glasplatte, herstellungssystem zur ausführung des verfahrens, geneigte spiegelanordnung mit einem geneigten spiegel und verfahren zur verwendung des geneigten spiegels oder der anordnung mit dem geneigten spiegelInfo
- Publication number
- EP2475938A1 EP2475938A1 EP10754457A EP10754457A EP2475938A1 EP 2475938 A1 EP2475938 A1 EP 2475938A1 EP 10754457 A EP10754457 A EP 10754457A EP 10754457 A EP10754457 A EP 10754457A EP 2475938 A1 EP2475938 A1 EP 2475938A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glass sheet
- bending
- mirror
- bended
- permanent
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
- C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
- C03B23/0355—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by blowing without suction directly on the glass sheet
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/025—Re-forming glass sheets by bending by gravity
- C03B23/0252—Re-forming glass sheets by bending by gravity by gravity only, e.g. sagging
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/025—Re-forming glass sheets by bending by gravity
- C03B23/0256—Gravity bending accelerated by applying mechanical forces, e.g. inertia, weights or local forces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/025—Re-forming glass sheets by bending by gravity
- C03B23/027—Re-forming glass sheets by bending by gravity with moulds having at least two upward pivotable mould sections
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
- C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
- C03B23/0357—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
- C03B23/203—Uniting glass sheets
-
- 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
- F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/10—Mirrors with curved faces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/183—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors specially adapted for very large mirrors, e.g. for astronomy, or solar concentrators
-
- 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
Definitions
- One of the main costs of the mirrors has its origin from forming a glass sheet (glass plate) with a precise parabolic shape.
- the bending of the glass sheet is usually done in a hot furnace using a high temperature.
- the present invention provides method for manufacturing a bended glass sheet with a permanent glass sheet bending, wherein the method comprises the following steps: a) Providing a tempered flat precursor glass sheet with a glass sheet thickness selected from the range between 2 mm and 10 mm; b) bending the tempered flat precursor glass sheet with the aid of an external bending force such, that a bended glass sheet with a glass sheet bending results; and c) fixing the glass sheet bending of the bended glass sheet such, that the permanent glass sheet bending results; wherein the bending the tempered flat precursor glass sheet is executed at a bending temperature which is selected from the range between 0°C and 70 °C. In a preferred embodiment the bending temperature is selected from the range between 0°C and 50 °C and particularly from the range between 0°C and 40°C.
- the method is used for manufacturing a bended mirror with a permanent mirror bending.
- the tempered glass sheet is coated with a multilayer stack with a reflecting layer containing Silver.
- the reflecting layer contains Aluminium or other suitable materials. This coated glass sheet is brought into the desired parabolic shape by the described bending process.
- one "long" mirror can be used. This reduces the costs and improves the optical performance of the concentrator of sunlight.
- a manufacturing system for executing the method with at least one fixing device for the fixing the glass bending is provided .
- the external force is caused by at least one power source selected from the group consisting of vacuum, air pressure, mechanical moment force, gravitation and distributed pressure force.
- the tempered flat precursor glass sheet is fixed at edges of the precursor glass sheet. Point pressure at the edges of the flat glass plate is carried out. Due to the flexibility of the tempered flat precursor glass sheet a center of the tempered flat precursor glass sheet can be moved. The bending of the precursor glass sheet is carried out. Alternatively the center of the flat precursor glass sheet is fixed and the edges of the precursor glass sheet are moved.
- a holder comprising at least one holder frame, wherein the bending the flat precursor glass sheet and/or the fixing the glass sheet bending of the bended glass sheet are carried out with the aid of the holder frame. For instance, by the holder frame the glass sheet is just held on its edges.
- a bended glass sheet 121 with a glass sheet bending 122 results.
- the next step is the fixing the glass sheet bending of the bended glass sheet.
- the permanent glass sheet bending results.
- a bended mirror with a permanent parabolic mirror bending is obtained.
- a holder 14 is used for the bending of the mirror.
- the mirror assembly with the bended mirror and with the holder results (figure 2) .
- the holder has the function of the mirror bending fixing device.
- the bended mirror and the mirror assembly with the bended mirror respectively are used in a solar field for the concentrating sunlight .
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Astronomy & Astrophysics (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24044909P | 2009-09-08 | 2009-09-08 | |
PCT/EP2010/063189 WO2011029852A1 (en) | 2009-09-08 | 2010-09-08 | Method for manufacturing a bended glass sheet, manufacturing system for executing the method, bended mirror assembly with the bended mirror and use of the bended mirror or the assembly with the bended mirror |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2475938A1 true EP2475938A1 (de) | 2012-07-18 |
Family
ID=43055330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10754457A Ceased EP2475938A1 (de) | 2009-09-08 | 2010-09-08 | Verfahren zur herstellung einer geneigtem glasplatte, herstellungssystem zur ausführung des verfahrens, geneigte spiegelanordnung mit einem geneigten spiegel und verfahren zur verwendung des geneigten spiegels oder der anordnung mit dem geneigten spiegel |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2475938A1 (de) |
CN (1) | CN102575874A (de) |
CL (1) | CL2012000618A1 (de) |
IN (1) | IN2012DN02029A (de) |
WO (1) | WO2011029852A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10549704B2 (en) | 2014-07-10 | 2020-02-04 | Corning Incorporated | Cold formed glass applique |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2982855B1 (fr) | 2011-11-17 | 2013-11-08 | Saint Gobain | Bombage a froid d'un vitrage feuillete |
US10145365B2 (en) | 2013-03-20 | 2018-12-04 | Brenmiller Energy Ltd. | Integrated thermal storage, heat exchange, and steam generation |
IL225456A (en) * | 2013-03-24 | 2017-01-31 | Brenmiller Energy Ltd | Modular solar field |
WO2016019209A1 (en) * | 2014-08-01 | 2016-02-04 | Corning Incorporated | Glass shaping apparatus and method |
ITTO20150219A1 (it) * | 2015-04-15 | 2016-10-15 | Istituto Naz Di Astrofisica | Processo per la produzione di un'unita' ottica |
CN104831940B (zh) * | 2015-04-17 | 2017-03-29 | 中国建筑第八工程局有限公司 | 幕墙玻璃冷弯扭拧成型装置 |
KR20180121568A (ko) | 2016-03-09 | 2018-11-07 | 코닝 인코포레이티드 | 복합적으로 굽은 유리 제품의 냉간 형성 |
CN109415247B (zh) | 2016-06-28 | 2022-09-27 | 康宁公司 | 将薄强化玻璃层压到用于装饰和显示器盖应用的曲面成型塑料表面 |
JP7071294B2 (ja) | 2016-07-05 | 2022-05-18 | コーニング インコーポレイテッド | 冷間成形ガラス物品及びその組立方法 |
EP3532442A1 (de) | 2016-10-25 | 2019-09-04 | Corning Incorporated | Kaltformglaslaminierung auf eine anzeige |
KR102077696B1 (ko) | 2017-01-03 | 2020-02-14 | 코닝 인코포레이티드 | 만곡된 커버 유리 및 디스플레이 또는 터치 패널을 갖는 차량 인테리어 시스템 및 이를 형성시키는 방법 |
US11016590B2 (en) | 2017-01-03 | 2021-05-25 | Corning Incorporated | Vehicle interior systems having a curved cover glass and display or touch panel and methods for forming the same |
WO2018213267A1 (en) | 2017-05-15 | 2018-11-22 | Corning Incorporated | Contoured glass articles and methods of making the same |
KR20200030094A (ko) | 2017-07-18 | 2020-03-19 | 코닝 인코포레이티드 | 복잡한 곡선 모양 유리 물품의 냉간 성형 |
EP3681847A1 (de) | 2017-09-12 | 2020-07-22 | Corning Incorporated | Taktile elemente für deadfront-glas und verfahren zu deren herstellung |
US11065960B2 (en) | 2017-09-13 | 2021-07-20 | Corning Incorporated | Curved vehicle displays |
TW202340816A (zh) | 2017-09-13 | 2023-10-16 | 美商康寧公司 | 用於顯示器的基於光導器的無電面板、相關的方法及載具內部系統 |
TW201918462A (zh) | 2017-10-10 | 2019-05-16 | 美商康寧公司 | 具有改善可靠性的彎曲的覆蓋玻璃的車輛內部系統及其形成方法 |
WO2019103469A1 (en) | 2017-11-21 | 2019-05-31 | Corning Precision Materials Co., Ltd. | Aspheric mirror for head-up display system and methods for forming the same |
TWI789463B (zh) | 2017-11-30 | 2023-01-11 | 美商康寧公司 | 用於形成曲面鏡的真空模具設備、系統及方法 |
CN111656254B (zh) | 2017-11-30 | 2023-06-02 | 康宁公司 | 用于真空成形非球面镜的系统与方法 |
EP3765425B1 (de) | 2018-03-13 | 2023-11-08 | Corning Incorporated | Fahrzeuginnenraumsysteme mit einem rissbeständigen gekrümmten deckglas und verfahren zur formung davon |
JP2021531187A (ja) | 2018-07-16 | 2021-11-18 | コーニング インコーポレイテッド | 冷間曲げガラス基板を有する乗物内装システムおよびその形成方法 |
US11858351B2 (en) | 2018-11-30 | 2024-01-02 | Corning Incorporated | Cold-formed glass article with thermally matched system and process for forming the same |
EP3771695A1 (de) | 2019-07-31 | 2021-02-03 | Corning Incorporated | Verfahren und system zur kaltumformung von glas |
US11772361B2 (en) | 2020-04-02 | 2023-10-03 | Corning Incorporated | Curved glass constructions and methods for forming same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4678292A (en) * | 1981-05-01 | 1987-07-07 | Rca Corporation | Curved structure and method for making same |
JPS57198403A (en) * | 1981-06-01 | 1982-12-06 | Nippon Sheet Glass Co Ltd | Curved reflector |
DE19619021A1 (de) * | 1996-05-10 | 1997-11-13 | Hellmuth Costard | Verfahren zur Herstellung eines Parabolspiegels |
CN2586762Y (zh) * | 2002-06-12 | 2003-11-19 | 陶礼德 | 太阳能屋面集热接收器 |
US8814372B2 (en) * | 2006-03-23 | 2014-08-26 | Guardian Industries Corp. | Stiffening members for reflectors used in concentrating solar power apparatus, and method of making same |
ITPD20070185A1 (it) * | 2007-05-25 | 2008-11-26 | Reflex Spa | Struttura di specchio per impianti solari a concentrazione |
-
2010
- 2010-09-08 IN IN2029DEN2012 patent/IN2012DN02029A/en unknown
- 2010-09-08 WO PCT/EP2010/063189 patent/WO2011029852A1/en active Application Filing
- 2010-09-08 CN CN2010800401416A patent/CN102575874A/zh active Pending
- 2010-09-08 EP EP10754457A patent/EP2475938A1/de not_active Ceased
-
2012
- 2012-03-08 CL CL2012000618A patent/CL2012000618A1/es unknown
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2011029852A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10549704B2 (en) | 2014-07-10 | 2020-02-04 | Corning Incorporated | Cold formed glass applique |
Also Published As
Publication number | Publication date |
---|---|
WO2011029852A1 (en) | 2011-03-17 |
CL2012000618A1 (es) | 2012-08-03 |
CN102575874A (zh) | 2012-07-11 |
IN2012DN02029A (de) | 2015-07-31 |
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