JPH021780B2 - - Google Patents

Info

Publication number
JPH021780B2
JPH021780B2 JP6720086A JP6720086A JPH021780B2 JP H021780 B2 JPH021780 B2 JP H021780B2 JP 6720086 A JP6720086 A JP 6720086A JP 6720086 A JP6720086 A JP 6720086A JP H021780 B2 JPH021780 B2 JP H021780B2
Authority
JP
Japan
Prior art keywords
glass
mold
transition temperature
layer
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
Application number
JP6720086A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62226825A (ja
Inventor
Shinichiro Hirota
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.)
Hoya Corp
Original Assignee
Hoya Corp
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 Hoya Corp filed Critical Hoya Corp
Priority to JP6720086A priority Critical patent/JPS62226825A/ja
Publication of JPS62226825A publication Critical patent/JPS62226825A/ja
Publication of JPH021780B2 publication Critical patent/JPH021780B2/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
JP6720086A 1986-03-27 1986-03-27 プレスレンズの製造方法 Granted JPS62226825A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6720086A JPS62226825A (ja) 1986-03-27 1986-03-27 プレスレンズの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6720086A JPS62226825A (ja) 1986-03-27 1986-03-27 プレスレンズの製造方法

Publications (2)

Publication Number Publication Date
JPS62226825A JPS62226825A (ja) 1987-10-05
JPH021780B2 true JPH021780B2 (OSRAM) 1990-01-12

Family

ID=13338024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6720086A Granted JPS62226825A (ja) 1986-03-27 1986-03-27 プレスレンズの製造方法

Country Status (1)

Country Link
JP (1) JPS62226825A (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01125339U (OSRAM) * 1988-02-22 1989-08-25
JP2925553B2 (ja) * 1988-08-15 1999-07-28 ホーヤ株式会社 ガラスプレス成形用型
JP5144578B2 (ja) * 2009-03-31 2013-02-13 豊田合成株式会社 発光装置の製造方法
JP7125844B2 (ja) 2018-01-26 2022-08-25 Hoya株式会社 ガラス製成形型

Also Published As

Publication number Publication date
JPS62226825A (ja) 1987-10-05

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term