JPH0249617B2 - - Google Patents

Info

Publication number
JPH0249617B2
JPH0249617B2 JP58062150A JP6215083A JPH0249617B2 JP H0249617 B2 JPH0249617 B2 JP H0249617B2 JP 58062150 A JP58062150 A JP 58062150A JP 6215083 A JP6215083 A JP 6215083A JP H0249617 B2 JPH0249617 B2 JP H0249617B2
Authority
JP
Japan
Prior art keywords
gate
collar
lens
plastic lens
residual stress
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
JP58062150A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59188601A (ja
Inventor
Norio Yatsuda
Nobuhiro Tokujuku
Masamichi Takeshita
Shoki Eguchi
Masayuki Muranaka
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6215083A priority Critical patent/JPS59188601A/ja
Publication of JPS59188601A publication Critical patent/JPS59188601A/ja
Publication of JPH0249617B2 publication Critical patent/JPH0249617B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP6215083A 1983-04-11 1983-04-11 プラスチツクレンズ Granted JPS59188601A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6215083A JPS59188601A (ja) 1983-04-11 1983-04-11 プラスチツクレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6215083A JPS59188601A (ja) 1983-04-11 1983-04-11 プラスチツクレンズ

Publications (2)

Publication Number Publication Date
JPS59188601A JPS59188601A (ja) 1984-10-26
JPH0249617B2 true JPH0249617B2 (enrdf_load_stackoverflow) 1990-10-30

Family

ID=13191782

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6215083A Granted JPS59188601A (ja) 1983-04-11 1983-04-11 プラスチツクレンズ

Country Status (1)

Country Link
JP (1) JPS59188601A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6144500A (en) * 1997-03-05 2000-11-07 Asahi Kogaku Kogyo Kabushiki Kaisha Plastic lens
JP5459760B2 (ja) * 2009-08-24 2014-04-02 ダイハツ工業株式会社 車両用ランプ
KR101161951B1 (ko) 2010-04-15 2012-07-04 삼성전기주식회사 플라스틱 렌즈, 렌즈 모듈, 및 렌즈 사출 금형
JP5836610B2 (ja) * 2011-03-04 2015-12-24 キヤノン株式会社 プラスチック光学部材及びその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5591640A (en) * 1978-12-29 1980-07-11 Asahi Chem Ind Co Ltd Injection molding of plastic transparent product
JPS5770617A (en) * 1980-10-20 1982-05-01 Ricoh Co Ltd Molding of lens
JPS57195102U (enrdf_load_stackoverflow) * 1981-06-05 1982-12-10

Also Published As

Publication number Publication date
JPS59188601A (ja) 1984-10-26

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