JPH0481532B2 - - Google Patents

Info

Publication number
JPH0481532B2
JPH0481532B2 JP6137686A JP6137686A JPH0481532B2 JP H0481532 B2 JPH0481532 B2 JP H0481532B2 JP 6137686 A JP6137686 A JP 6137686A JP 6137686 A JP6137686 A JP 6137686A JP H0481532 B2 JPH0481532 B2 JP H0481532B2
Authority
JP
Japan
Prior art keywords
mold
molding
molding material
optical element
pressure
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
JP6137686A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62216929A (ja
Inventor
Masaaki Yokota
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 JP6137686A priority Critical patent/JPS62216929A/ja
Publication of JPS62216929A publication Critical patent/JPS62216929A/ja
Publication of JPH0481532B2 publication Critical patent/JPH0481532B2/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
    • C03B11/06—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
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/46—Lenses, e.g. bi-convex
    • C03B2215/47—Bi-concave
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/72—Barrel presses or equivalent, e.g. of the ring mould type

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP6137686A 1986-03-19 1986-03-19 光学素子の加圧成形方法 Granted JPS62216929A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6137686A JPS62216929A (ja) 1986-03-19 1986-03-19 光学素子の加圧成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6137686A JPS62216929A (ja) 1986-03-19 1986-03-19 光学素子の加圧成形方法

Publications (2)

Publication Number Publication Date
JPS62216929A JPS62216929A (ja) 1987-09-24
JPH0481532B2 true JPH0481532B2 (en]) 1992-12-24

Family

ID=13169396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6137686A Granted JPS62216929A (ja) 1986-03-19 1986-03-19 光学素子の加圧成形方法

Country Status (1)

Country Link
JP (1) JPS62216929A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01257143A (ja) * 1988-04-04 1989-10-13 Konica Corp ガラスレンズのプレス成形方法
JP2811239B2 (ja) * 1991-04-30 1998-10-15 東芝機械株式会社 光学ガラス素子の成形方法および装置
JP3273197B2 (ja) * 1992-07-03 2002-04-08 東芝機械株式会社 光学ガラス素子等の成形装置
AU6390101A (en) * 2000-05-11 2001-11-20 Bonitz, Ralf Method and device for producing thin discoid glass blanks by pressing

Also Published As

Publication number Publication date
JPS62216929A (ja) 1987-09-24

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