JPS59188601A - プラスチツクレンズ - Google Patents

プラスチツクレンズ

Info

Publication number
JPS59188601A
JPS59188601A JP6215083A JP6215083A JPS59188601A JP S59188601 A JPS59188601 A JP S59188601A JP 6215083 A JP6215083 A JP 6215083A JP 6215083 A JP6215083 A JP 6215083A JP S59188601 A JPS59188601 A JP S59188601A
Authority
JP
Japan
Prior art keywords
lens
gate
flange
collar
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.)
Granted
Application number
JP6215083A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0249617B2 (enrdf_load_stackoverflow
Inventor
Norio Yatsuda
則夫 谷津田
Nobuhiro Tokujiyuku
徳宿　伸弘
Masamichi Takeshita
竹下　正道
Shoki Eguchi
江口　昭喜
Masayuki Muranaka
昌幸 村中
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 true JPS59188601A (ja) 1984-10-26
JPH0249617B2 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)

Cited By (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
JP2011044408A (ja) * 2009-08-24 2011-03-03 Daihatsu Motor Co Ltd 車両用ランプ
KR101161951B1 (ko) 2010-04-15 2012-07-04 삼성전기주식회사 플라스틱 렌즈, 렌즈 모듈, 및 렌즈 사출 금형
CN102654587A (zh) * 2011-03-04 2012-09-05 佳能株式会社 光学元件及其制造方法

Citations (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

Patent Citations (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

Cited By (6)

* 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
US6219191B1 (en) 1997-03-05 2001-04-17 Asahi Kogaku Kogyo Kabushiki Kaisha Plastic lens
JP2011044408A (ja) * 2009-08-24 2011-03-03 Daihatsu Motor Co Ltd 車両用ランプ
KR101161951B1 (ko) 2010-04-15 2012-07-04 삼성전기주식회사 플라스틱 렌즈, 렌즈 모듈, 및 렌즈 사출 금형
CN102654587A (zh) * 2011-03-04 2012-09-05 佳能株式会社 光学元件及其制造方法
US9283719B2 (en) 2011-03-04 2016-03-15 Canon Kabushiki Kaisha Optical component and method of making the same

Also Published As

Publication number Publication date
JPH0249617B2 (enrdf_load_stackoverflow) 1990-10-30

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