JPH0521854B2 - - Google Patents

Info

Publication number
JPH0521854B2
JPH0521854B2 JP2205394A JP20539490A JPH0521854B2 JP H0521854 B2 JPH0521854 B2 JP H0521854B2 JP 2205394 A JP2205394 A JP 2205394A JP 20539490 A JP20539490 A JP 20539490A JP H0521854 B2 JPH0521854 B2 JP H0521854B2
Authority
JP
Japan
Prior art keywords
molding
mold
optical
optical element
lens
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.)
Expired - Lifetime
Application number
JP2205394A
Other languages
English (en)
Japanese (ja)
Other versions
JPH03228835A (ja
Inventor
Kenzo Matsuzaka
Nobuo Nakamura
Seitaro Okano
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP20539490A priority Critical patent/JPH03228835A/ja
Publication of JPH03228835A publication Critical patent/JPH03228835A/ja
Publication of JPH0521854B2 publication Critical patent/JPH0521854B2/ja
Granted 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
    • C03B11/12—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
    • 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
    • C03B11/084—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
    • 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
    • C03B2215/05—Press-mould die materials
    • C03B2215/07—Ceramic or cermets
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/66—Means for providing special atmospheres, e.g. reduced pressure, inert gas, reducing gas, clean room

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
JP20539490A 1990-08-02 1990-08-02 光学素子の成形方法 Granted JPH03228835A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20539490A JPH03228835A (ja) 1990-08-02 1990-08-02 光学素子の成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20539490A JPH03228835A (ja) 1990-08-02 1990-08-02 光学素子の成形方法

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP23116382A Division JPS59123631A (ja) 1982-12-28 1982-12-28 光学素子成形用型の作成方法

Publications (2)

Publication Number Publication Date
JPH03228835A JPH03228835A (ja) 1991-10-09
JPH0521854B2 true JPH0521854B2 (en:Method) 1993-03-25

Family

ID=16506100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20539490A Granted JPH03228835A (ja) 1990-08-02 1990-08-02 光学素子の成形方法

Country Status (1)

Country Link
JP (1) JPH03228835A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4580677B2 (ja) * 2004-04-26 2010-11-17 東芝機械株式会社 ガラス成形装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844755A (en) * 1972-11-16 1974-10-29 Eastman Kodak Co Method and apparatus for transfer molding glass lenses
JPS5438126A (en) * 1977-09-01 1979-03-22 Olympus Optical Co Ltd Electrophotography for plural copies
US4260408A (en) * 1979-11-02 1981-04-07 Ppg Industries, Inc. Use of speed changes during cycling of a shaping mold

Also Published As

Publication number Publication date
JPH03228835A (ja) 1991-10-09

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