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WO2011149800A3 - Apparatus and method for controlling thickness of a flowing ribbon of molten glass - Google Patents

Apparatus and method for controlling thickness of a flowing ribbon of molten glass Download PDF

Info

Publication number
WO2011149800A3
WO2011149800A3 PCT/US2011/037492 US2011037492W WO2011149800A3 WO 2011149800 A3 WO2011149800 A3 WO 2011149800A3 US 2011037492 W US2011037492 W US 2011037492W WO 2011149800 A3 WO2011149800 A3 WO 2011149800A3
Authority
WO
WIPO (PCT)
Prior art keywords
molten glass
heat sink
cooling member
sheet
cooling
Prior art date
Application number
PCT/US2011/037492
Other languages
French (fr)
Other versions
WO2011149800A2 (en
Inventor
Soongyup Lee
Shawn R. Markham
Original Assignee
Corning Incorporated
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Corning Incorporated filed Critical Corning Incorporated
Priority to KR1020127033299A priority Critical patent/KR101850164B1/en
Priority to JP2013512109A priority patent/JP5778761B2/en
Priority to KR1020187010291A priority patent/KR101959697B1/en
Priority to CN201180025457.2A priority patent/CN102906036B/en
Publication of WO2011149800A2 publication Critical patent/WO2011149800A2/en
Publication of WO2011149800A3 publication Critical patent/WO2011149800A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/06—Forming glass sheets
    • C03B17/064—Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/06—Forming glass sheets
    • C03B17/067—Forming glass sheets combined with thermal conditioning of the sheets
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

In the formation of sheet material from molten glass, a heat sink is positioned in the forming area for absorbing heat energy from discrete localized portions of the molten glass proximate a draw line or root to control local thickness variations in the sheet and thereby provide a uniform glass sheet thickness across the width of the sheet. The heat sink may be disposed in a fixture configured to rotate or pivot the heat sink (i.e. cooling member) about at least one axis, thereby absorbing heat from the flowing molten glass. The heat sink may also be inserted or withdrawn toward or away from the flowing molten glass to vary the amount of heat energy extracted by the cooling member (and thereby the viscosity and thickness of the local region cooled by the cooling member). The cooling is accomplished without directing a cooling gas from the cooling member toward the flowing molten glass.
PCT/US2011/037492 2010-05-26 2011-05-23 Apparatus and method for controlling thickness of a flowing ribbon of molten glass WO2011149800A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020127033299A KR101850164B1 (en) 2010-05-26 2011-05-23 Apparatus and method for controlling thickness of a flowing ribbon of molten glass
JP2013512109A JP5778761B2 (en) 2010-05-26 2011-05-23 Apparatus and method for controlling thickness of flowing molten glass ribbon
KR1020187010291A KR101959697B1 (en) 2010-05-26 2011-05-23 Apparatus and method for controlling thickness of a flowing ribbon of molten glass
CN201180025457.2A CN102906036B (en) 2010-05-26 2011-05-23 Be used for the equipment of thickness of the flowing band controlling melten glass and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34851210P 2010-05-26 2010-05-26
US61/348,512 2010-05-26

Publications (2)

Publication Number Publication Date
WO2011149800A2 WO2011149800A2 (en) 2011-12-01
WO2011149800A3 true WO2011149800A3 (en) 2012-04-19

Family

ID=45004687

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/037492 WO2011149800A2 (en) 2010-05-26 2011-05-23 Apparatus and method for controlling thickness of a flowing ribbon of molten glass

Country Status (5)

Country Link
JP (2) JP5778761B2 (en)
KR (2) KR101850164B1 (en)
CN (1) CN102906036B (en)
TW (1) TWI530463B (en)
WO (1) WO2011149800A2 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8931309B2 (en) * 2012-03-27 2015-01-13 Corning Incorporated Apparatus for thermal decoupling of a forming body in a glass making process
US8904822B2 (en) * 2012-11-06 2014-12-09 Corning Incorporated Thickness control of substrates
US9290403B2 (en) * 2013-02-25 2016-03-22 Corning Incorporated Repositionable heater assemblies for glass production lines and methods of managing temperature of glass in production lines
TWI627141B (en) 2013-04-30 2018-06-21 康寧公司 Apparatus and method for molten glass flow control along an isopipe weir
JP6396142B2 (en) * 2014-02-21 2018-09-26 ＡｖａｎＳｔｒａｔｅ株式会社 Glass plate manufacturing method and glass plate manufacturing apparatus
JP5944578B2 (en) * 2014-02-21 2016-07-05 ＡｖａｎＳｔｒａｔｅ株式会社 Glass plate manufacturing method and glass plate manufacturing apparatus
US9682882B2 (en) * 2014-07-17 2017-06-20 Corning Incorporated Methods for producing a glass ribbon
US9556051B2 (en) 2014-09-22 2017-01-31 Corning Incorporated Methods for controlling the thickness wedge in a glass ribbon
JP6144740B2 (en) * 2014-09-30 2017-06-07 ＡｖａｎＳｔｒａｔｅ株式会社 Manufacturing method of glass substrate for display
JP6498933B2 (en) * 2014-12-29 2019-04-10 ＡｖａｎＳｔｒａｔｅ株式会社 Manufacturing method and manufacturing apparatus for glass substrate for display
WO2017002626A1 (en) * 2015-06-30 2017-01-05 ＡｖａｎＳｔｒａｔｅ株式会社 Glass substrate production method and glass substrate production device
KR102006563B1 (en) * 2015-06-30 2019-08-01 아반스트레이트 가부시키가이샤 Method of manufacturing glass substrate for display
KR20180086220A (en) * 2015-11-19 2018-07-30 코닝 인코포레이티드 Glass manufacturing apparatus having a cooling device and method of using the same
EP3452417A1 (en) * 2016-05-03 2019-03-13 Corning Incorporated Methods and apparatus for processing glass
KR102308619B1 (en) * 2017-03-20 2021-10-06 코닝 인코포레이티드 Glass product manufacturing apparatus
CN107032583B (en) * 2017-04-26 2019-11-08 东旭科技集团有限公司 Adjust the method and glass substrate production equipment of heat sink centering overflow brick brick point
TW202012321A (en) * 2018-06-06 2020-04-01 美商康寧公司 Reconfigurable muffle housings for use in glass manufacturing operations
KR20210055102A (en) * 2018-10-05 2021-05-14 코닝 인코포레이티드 Glass forming apparatuses having infrared-transparent barriers and cooling methods of glass using the same
JP2022504076A (en) * 2018-10-05 2022-01-13 コーニング インコーポレイテッド A glass molding device with injection and extraction ports, and a method for cooling glass using this.
KR20210068582A (en) * 2018-10-31 2021-06-09 코닝 인코포레이티드 Glass forming apparatuses and methods
CN109608026A (en) * 2018-12-13 2019-04-12 彩虹（合肥）液晶玻璃有限公司 A kind of annealing furnace
WO2020264252A1 (en) * 2019-06-28 2020-12-30 Corning Incorporated Methods and apparatus for producing a glass ribbon
JP2023504524A (en) * 2019-12-02 2023-02-03 コーニング インコーポレイテッド Method and apparatus for manufacturing glass ribbon
CN115667161B (en) * 2020-06-03 2024-06-07 康宁公司 Improved slot drawing process

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090217705A1 (en) * 2008-02-29 2009-09-03 Filippov Andrey V Temperature control of glass fusion by electromagnetic radiation
US20100031702A1 (en) * 2006-10-24 2010-02-11 Niuppon Electric Glass Co., Ltd Glass ribbon producing apparatus and process for producing the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE757057A (en) * 1969-10-06 1971-04-05 Corning Glass Works METHOD AND APPARATUS FOR CHECKING THE THICKNESS OF A NEWLY STRETCHED SHEET OF GLASS
US3723082A (en) * 1971-01-06 1973-03-27 Corning Glass Works Sheet glass thickness control
DE2653735A1 (en) * 1976-11-26 1978-06-01 Hauni Werke Koerber & Co Kg PROCEDURE AND ARRANGEMENT FOR INSPECTING ROD-SHAPED SMOKING ARTICLES FOR DEFECTIVE ENCLOSURES
JP2664657B2 (en) * 1995-09-20 1997-10-15 キヤノン株式会社 Glass forming method
WO2003014032A1 (en) * 2001-08-08 2003-02-20 Richard Pitbladdo Sheet glass forming apparatus
US20060081009A1 (en) * 2004-10-20 2006-04-20 Maldonado Jaime J Glass manufacturing system and method for using a cooling bayonet to reduce stress in a glass sheet
CN101374778B (en) * 2005-12-15 2012-12-12 康宁股份有限公司 Overflow downdraw glass forming method and apparatus
CN101012098B (en) * 2007-01-24 2010-06-16 河南安彩高科股份有限公司 Temperature equality device and temperature equality method in glass forming
CN101028964B (en) * 2007-02-08 2010-11-17 河南安彩高科股份有限公司 Device and method for controlling glass-board thickness evenness
CN101679094A (en) * 2007-05-18 2010-03-24 康宁股份有限公司 Method and apparatus for minimizing inclusions in a glass making process

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100031702A1 (en) * 2006-10-24 2010-02-11 Niuppon Electric Glass Co., Ltd Glass ribbon producing apparatus and process for producing the same
US20090217705A1 (en) * 2008-02-29 2009-09-03 Filippov Andrey V Temperature control of glass fusion by electromagnetic radiation

Also Published As

Publication number Publication date
TWI530463B (en) 2016-04-21
KR101850164B1 (en) 2018-04-18
TW201141796A (en) 2011-12-01
WO2011149800A2 (en) 2011-12-01
JP5974145B2 (en) 2016-08-23
JP5778761B2 (en) 2015-09-16
CN102906036A (en) 2013-01-30
JP2015214487A (en) 2015-12-03
KR20130090790A (en) 2013-08-14
KR20180041256A (en) 2018-04-23
KR101959697B1 (en) 2019-03-18
JP2013528148A (en) 2013-07-08
CN102906036B (en) 2015-08-19

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