AU2002316976A1 - Method for vacuum refining alkali-borosilicate glass melts - Google Patents

Method for vacuum refining alkali-borosilicate glass melts

Info

Publication number
AU2002316976A1
AU2002316976A1 AU2002316976A AU2002316976A AU2002316976A1 AU 2002316976 A1 AU2002316976 A1 AU 2002316976A1 AU 2002316976 A AU2002316976 A AU 2002316976A AU 2002316976 A AU2002316976 A AU 2002316976A AU 2002316976 A1 AU2002316976 A1 AU 2002316976A1
Authority
AU
Australia
Prior art keywords
borosilicate glass
vacuum refining
glass melts
refining alkali
alkali
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.)
Abandoned
Application number
AU2002316976A
Inventor
Norbert Greulich
Holger Kasprzik
Andreas Sprenger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Publication of AU2002316976A1 publication Critical patent/AU2002316976A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/225—Refining
    • C03B5/2252—Refining under reduced pressure, e.g. with vacuum refiners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Glass Compositions (AREA)
AU2002316976A 2002-06-13 2002-06-13 Method for vacuum refining alkali-borosilicate glass melts Abandoned AU2002316976A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2002/006477 WO2003106361A1 (en) 2002-06-13 2002-06-13 Method for vacuum refining alkali-borosilicate glass melts

Publications (1)

Publication Number Publication Date
AU2002316976A1 true AU2002316976A1 (en) 2003-12-31

Family

ID=29724367

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002316976A Abandoned AU2002316976A1 (en) 2002-06-13 2002-06-13 Method for vacuum refining alkali-borosilicate glass melts

Country Status (2)

Country Link
AU (1) AU2002316976A1 (en)
WO (1) WO2003106361A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02188430A (en) * 1989-01-17 1990-07-24 Asahi Glass Co Ltd Production of glass
JP3150726B2 (en) * 1991-09-04 2001-03-26 旭硝子株式会社 Manufacturing method of glass products
JP4110663B2 (en) * 1999-04-13 2008-07-02 旭硝子株式会社 Vacuum degassing method for molten glass flow

Also Published As

Publication number Publication date
WO2003106361A1 (en) 2003-12-24

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase