JPH0437230U - - Google Patents

Info

Publication number
JPH0437230U
JPH0437230U JP7721890U JP7721890U JPH0437230U JP H0437230 U JPH0437230 U JP H0437230U JP 7721890 U JP7721890 U JP 7721890U JP 7721890 U JP7721890 U JP 7721890U JP H0437230 U JPH0437230 U JP H0437230U
Authority
JP
Japan
Prior art keywords
mold
molding
optical element
nesting
outer mold
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.)
Granted
Application number
JP7721890U
Other languages
English (en)
Other versions
JPH0718733Y2 (ja
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 filed Critical
Priority to JP7721890U priority Critical patent/JPH0718733Y2/ja
Publication of JPH0437230U publication Critical patent/JPH0437230U/ja
Application granted granted Critical
Publication of JPH0718733Y2 publication Critical patent/JPH0718733Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Description

【図面の簡単な説明】
第１図は本考案の成形用型の基本構成を示す断
面図、第２図は本考案の第１実施例を示す断面図
、第３図は本考案の第２実施例を示す断面図、第
４図は異形光学素子の形状の一例を示し、ａはそ
の断面図、ｂはその斜視図、第５図は異形光学素
子を成形するための成形型の断面図である。 １……光学素子、３，７，８……成形用型、４
……外型、５……入子型。

Claims (1)

    【実用新案登録請求の範囲】
  1. 外型と、この外型内に挿入された入子型とによ
    り光学素子の成形面を構成する光学素子成形用型
    において、前記入子型の線膨張係数が外型の線膨
    張係数よりも大きいことを特徴とする光学素子成
    形用型。
JP7721890U 1990-07-20 1990-07-20 光学素子成形用型 Expired - Lifetime JPH0718733Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7721890U JPH0718733Y2 (ja) 1990-07-20 1990-07-20 光学素子成形用型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7721890U JPH0718733Y2 (ja) 1990-07-20 1990-07-20 光学素子成形用型

Publications (2)

Publication Number Publication Date
JPH0437230U true JPH0437230U (ja) 1992-03-30
JPH0718733Y2 JPH0718733Y2 (ja) 1995-05-01

Family

ID=31619400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7721890U Expired - Lifetime JPH0718733Y2 (ja) 1990-07-20 1990-07-20 光学素子成形用型

Country Status (1)

Country Link
JP (1) JPH0718733Y2 (ja)

Also Published As

Publication number Publication date
JPH0718733Y2 (ja) 1995-05-01

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term