JPH0442338B2 - - Google Patents

Info

Publication number
JPH0442338B2
JPH0442338B2 JP9573084A JP9573084A JPH0442338B2 JP H0442338 B2 JPH0442338 B2 JP H0442338B2 JP 9573084 A JP9573084 A JP 9573084A JP 9573084 A JP9573084 A JP 9573084A JP H0442338 B2 JPH0442338 B2 JP H0442338B2
Authority
JP
Japan
Prior art keywords
mold
optical element
molding
upper mold
pressing
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
Application number
JP9573084A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60239332A (ja
Inventor
Fumitaka Yoshimura
Hiroshi Kashiwakura
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 JP9573084A priority Critical patent/JPS60239332A/ja
Publication of JPS60239332A publication Critical patent/JPS60239332A/ja
Publication of JPH0442338B2 publication Critical patent/JPH0442338B2/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
    • C03B2215/60—Aligning press die axes
    • 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)
JP9573084A 1984-05-15 1984-05-15 光学素子成形用型 Granted JPS60239332A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9573084A JPS60239332A (ja) 1984-05-15 1984-05-15 光学素子成形用型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9573084A JPS60239332A (ja) 1984-05-15 1984-05-15 光学素子成形用型

Publications (2)

Publication Number Publication Date
JPS60239332A JPS60239332A (ja) 1985-11-28
JPH0442338B2 true JPH0442338B2 (enEXAMPLES) 1992-07-13

Family

ID=14145590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9573084A Granted JPS60239332A (ja) 1984-05-15 1984-05-15 光学素子成形用型

Country Status (1)

Country Link
JP (1) JPS60239332A (enEXAMPLES)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS616139A (ja) * 1984-06-15 1986-01-11 Hoya Corp 軸ずれの少ないレンズをプレス成形する方法
JPS6488504A (en) * 1987-09-30 1989-04-03 Alps Electric Co Ltd Optical lens and its manufacture
JP2515905B2 (ja) * 1990-03-14 1996-07-10 オリンパス光学工業株式会社 ガラスレンズ成形装置の成形金型駆動装置

Also Published As

Publication number Publication date
JPS60239332A (ja) 1985-11-28

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term