TW200700335A - Method and apparatus for making a glass sheet - Google Patents

Method and apparatus for making a glass sheet

Info

Publication number
TW200700335A
TW200700335A TW095106691A TW95106691A TW200700335A TW 200700335 A TW200700335 A TW 200700335A TW 095106691 A TW095106691 A TW 095106691A TW 95106691 A TW95106691 A TW 95106691A TW 200700335 A TW200700335 A TW 200700335A
Authority
TW
Taiwan
Prior art keywords
members
web
sheet
edge portions
width
Prior art date
Application number
TW095106691A
Other languages
Chinese (zh)
Other versions
TWI317352B (en
Inventor
Olus Naili Boratav
Steven Roy Burdette
David John Ulrich
Original Assignee
Corning Inc
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 Inc filed Critical Corning Inc
Publication of TW200700335A publication Critical patent/TW200700335A/en
Application granted granted Critical
Publication of TWI317352B publication Critical patent/TWI317352B/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
    • 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
    • C03B15/00—Drawing glass upwardly from the melt
    • C03B15/02—Drawing glass sheets

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)
  • Reinforced Plastic Materials (AREA)

Abstract

In the formation of sheet glass by the overflow downdraw process, the width of usable sheet glass is maximized by downwardly flowing edge portions of the sheet over web-like members and thereafter over extensions which intersect with and are downwardly inclined relative to the web-like members to thin edge portions of the glass flow and maintain sheet width. The extension members are preferably removably attached to the web-like members, greatly facilitating replacement of the more easily damaged extension members.
TW095106691A 2005-02-24 2006-02-24 Apparatua and method for making a glass sheet TWI317352B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65620605P 2005-02-24 2005-02-24
US67646905P 2005-04-29 2005-04-29

Publications (2)

Publication Number Publication Date
TW200700335A true TW200700335A (en) 2007-01-01
TWI317352B TWI317352B (en) 2009-11-21

Family

ID=36927758

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095106691A TWI317352B (en) 2005-02-24 2006-02-24 Apparatua and method for making a glass sheet

Country Status (4)

Country Link
JP (1) JP4954093B2 (en)
KR (1) KR101224666B1 (en)
TW (1) TWI317352B (en)
WO (1) WO2006091730A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI750256B (en) * 2016-11-22 2021-12-21 美商康寧公司 Forming bodies for forming continuous glass ribbons and glass forming apparatuses comprising the same
CN115697922A (en) * 2020-06-18 2023-02-03 日本电气硝子株式会社 Glass article manufacturing apparatus and manufacturing method thereof

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5281569B2 (en) * 2006-04-28 2013-09-04 コーニング インコーポレイテッド Apparatus and method for forming glass substrate with increased edge stability
WO2010099278A2 (en) * 2009-02-26 2010-09-02 Corning Incorporated Apparatus for forming glass with edge directors and methods
EP2455348A4 (en) 2009-07-13 2013-10-30 Asahi Glass Co Ltd Glass plate production method and production device
US20110100057A1 (en) * 2009-10-29 2011-05-05 Gaylo Keith R Method and apparatus for reducing heat loss from edge directors in a glass making process
TWI540107B (en) * 2010-01-19 2016-07-01 康寧公司 Apparatus and methods for fusion drawing a glass ribbon
US8176753B2 (en) * 2010-02-26 2012-05-15 Corning Incorporated Methods and apparatus for reducing heat loss from an edge director
JP5724552B2 (en) * 2011-04-01 2015-05-27 日本電気硝子株式会社 Thin glass manufacturing equipment
JP5850332B2 (en) * 2012-03-09 2016-02-03 日本電気硝子株式会社 Thin glass forming apparatus and method
US8646291B2 (en) 2012-05-24 2014-02-11 Corning Incorporated Apparatus and method for control of glass streams in laminate fusion
US8794034B2 (en) * 2012-05-29 2014-08-05 Corning Incorporated Apparatus for forming glass with edge directors and methods
TW201722863A (en) * 2015-11-24 2017-07-01 康寧公司 Method for forming a glass article
WO2017091524A1 (en) * 2015-11-24 2017-06-01 Corning Incorporated Apparatus and method for forming a glass article
KR20180100018A (en) 2017-02-28 2018-09-06 코닝 인코포레이티드 Apparatus for cleaning edge director and method of cleaning edge director
WO2019104039A2 (en) 2017-11-22 2019-05-31 Corning Incorporated Apparatuses including edge directors for forming glass ribbons

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451798A (en) 1966-04-04 1969-06-24 Corning Glass Works Sheet glass edge control device
US3589887A (en) * 1968-06-03 1971-06-29 Ppg Industries Inc Edge restrictor in down drawn glass
US3537834A (en) * 1968-08-07 1970-11-03 Corning Glass Works Maintaining sheet glass width
US4214886A (en) * 1979-04-05 1980-07-29 Corning Glass Works Forming laminated sheet glass
JPS63151633A (en) * 1986-12-15 1988-06-24 Hoya Corp Device for producing plate glass
WO2002044102A1 (en) * 2000-12-01 2002-06-06 Corning Incorporated Sag control of isopipes used in making sheet glass by the fusion process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI750256B (en) * 2016-11-22 2021-12-21 美商康寧公司 Forming bodies for forming continuous glass ribbons and glass forming apparatuses comprising the same
CN115697922A (en) * 2020-06-18 2023-02-03 日本电气硝子株式会社 Glass article manufacturing apparatus and manufacturing method thereof

Also Published As

Publication number Publication date
WO2006091730A1 (en) 2006-08-31
JP4954093B2 (en) 2012-06-13
TWI317352B (en) 2009-11-21
JP2008531452A (en) 2008-08-14
KR101224666B1 (en) 2013-01-21
KR20070108252A (en) 2007-11-08

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees