AU6390101A - Method and device for producing thin discoid glass blanks by pressing - Google Patents

Method and device for producing thin discoid glass blanks by pressing

Info

Publication number
AU6390101A
AU6390101A AU63901/01A AU6390101A AU6390101A AU 6390101 A AU6390101 A AU 6390101A AU 63901/01 A AU63901/01 A AU 63901/01A AU 6390101 A AU6390101 A AU 6390101A AU 6390101 A AU6390101 A AU 6390101A
Authority
AU
Australia
Prior art keywords
pressing
producing thin
glass blanks
thin discoid
discoid glass
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
AU63901/01A
Inventor
Wolfgang Semar
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE2000122932 external-priority patent/DE10022932A1/en
Priority claimed from DE10101588A external-priority patent/DE10101588A1/en
Application filed by Individual filed Critical Individual
Publication of AU6390101A publication Critical patent/AU6390101A/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C03B11/088—Flat discs
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
    • C03B11/125—Cooling
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/02—Press-mould materials
    • C03B2215/03—Press-mould materials defined by material properties or parameters, e.g. relative CTE of mould parts
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/44—Flat, parallel-faced disc or plate products
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/76—Pressing whereby some glass overflows unrestrained beyond the press mould in a direction perpendicular to the press axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
AU63901/01A 2000-05-11 2001-05-05 Method and device for producing thin discoid glass blanks by pressing Abandoned AU6390101A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE10001588 2000-01-17
DE10022920 2000-05-11
DE2000122932 DE10022932A1 (en) 2000-05-11 2000-05-11 Production of a thin discoid glass blanks comprises pressing glass gobs into a molding tool so that the molding edge of the molding tool does not impede the deformation of the gob in the radial direction
DE10022932 2000-05-11
DE10022920 2000-05-11
DE10101588A DE10101588A1 (en) 2000-05-11 2001-01-16 Production of a thin discoid glass blanks comprises pressing glass gobs into a molding tool so that the molding edge of the molding tool does not impede the deformation of the gob in the radial direction
PCT/EP2001/005105 WO2001085629A1 (en) 2000-05-11 2001-05-05 Method and device for producing thin discoid glass blanks by pressing

Publications (1)

Publication Number Publication Date
AU6390101A true AU6390101A (en) 2001-11-20

Family

ID=27213848

Family Applications (1)

Application Number Title Priority Date Filing Date
AU63901/01A Abandoned AU6390101A (en) 2000-05-11 2001-05-05 Method and device for producing thin discoid glass blanks by pressing

Country Status (3)

Country Link
AU (1) AU6390101A (en)
DE (1) DE10191769B4 (en)
WO (1) WO2001085629A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142893B4 (en) * 2001-09-03 2005-07-07 Heraeus Quarzglas Gmbh & Co. Kg Process for annealing a blank for a quartz glass optical component
JP5449938B2 (en) * 2009-09-16 2014-03-19 Ｈｏｙａ株式会社 Glass blank, glass blank manufacturing method, information recording medium substrate manufacturing method, and information recording medium manufacturing method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62216929A (en) * 1986-03-19 1987-09-24 Canon Inc Method for pressure molding optical element
JP2965112B2 (en) * 1993-05-31 1999-10-18 キヤノン株式会社 Optical element molding method
JPH0812352A (en) * 1994-07-05 1996-01-16 Olympus Optical Co Ltd Method for forming optical element
JP3204613B2 (en) * 1996-03-21 2001-09-04 旭テクノグラス株式会社 Mold for molding glass tray
JP3286956B2 (en) * 1996-12-26 2002-05-27 ホーヤ株式会社 Method for manufacturing thin plate glass, method for manufacturing glass substrate for information recording medium, and magnetic recording medium
JP3714501B2 (en) * 1997-01-08 2005-11-09 Ｈｏｙａ株式会社 Thin plate glass and method for producing the same

Also Published As

Publication number Publication date
WO2001085629A1 (en) 2001-11-15
DE10191769B4 (en) 2004-09-30

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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