JPS6233001U - - Google Patents

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Publication number
JPS6233001U
JPS6233001U JP12415185U JP12415185U JPS6233001U JP S6233001 U JPS6233001 U JP S6233001U JP 12415185 U JP12415185 U JP 12415185U JP 12415185 U JP12415185 U JP 12415185U JP S6233001 U JPS6233001 U JP S6233001U
Authority
JP
Japan
Prior art keywords
lens
outer circumferential
circumferential surface
utility
model registration
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
JP12415185U
Other languages
English (en)
Other versions
JPH0446241Y2 (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 JP1985124151U priority Critical patent/JPH0446241Y2/ja
Publication of JPS6233001U publication Critical patent/JPS6233001U/ja
Application granted granted Critical
Publication of JPH0446241Y2 publication Critical patent/JPH0446241Y2/ja
Expired legal-status Critical Current

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Description

【図面の簡単な説明】
第1図および第2図は本考案の一実施例におけ
る成形ガラスレンズを製造する装置を示す要部断
面図、第3図および第4図は本考案に係る成形ガ
ラスレンズの断面図、第5図はコンパクトデイス
ク等に用いられる光学系の原理を説明する要部断
面図、第6図は他の実施例を説明するガラスレン
ズ素材の断面図である。 1,2……パンチ、3……胴型、4……貫通孔
、5……ガラスレンズ素材、6,8……加熱ヒー
ター、7,9……型板、32……成形自由面、4
3……成形基準外径面、58……余剰部。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 各々のレンズ面の有効径が異なる単一レン
    ズであつて、第1面のレンズ有効径と第2面のレ
    ンズ有効性とを結ぶレンズ有効光路の近傍に概略
    頭をきつた、円錐状を形成するごとく外周面を構
    成したことを特徴とするレンズ。 (2) レンズ光軸と平行な外周面を円錐状の外周
    面に連接して配設したことを特徴とする実用新案
    登録請求の範囲第(1)項記載のレンズ。
JP1985124151U 1985-08-13 1985-08-13 Expired JPH0446241Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985124151U JPH0446241Y2 (ja) 1985-08-13 1985-08-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985124151U JPH0446241Y2 (ja) 1985-08-13 1985-08-13

Publications (2)

Publication Number Publication Date
JPS6233001U true JPS6233001U (ja) 1987-02-27
JPH0446241Y2 JPH0446241Y2 (ja) 1992-10-30

Family

ID=31015900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985124151U Expired JPH0446241Y2 (ja) 1985-08-13 1985-08-13

Country Status (1)

Country Link
JP (1) JPH0446241Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093157A (ja) * 1973-12-19 1975-07-25
JPS5119402U (ja) * 1974-07-30 1976-02-13

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093157A (ja) * 1973-12-19 1975-07-25
JPS5119402U (ja) * 1974-07-30 1976-02-13

Also Published As

Publication number Publication date
JPH0446241Y2 (ja) 1992-10-30

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