JPS57116614A - Lens molding method - Google Patents

Lens molding method

Info

Publication number
JPS57116614A
JPS57116614A JP290981A JP290981A JPS57116614A JP S57116614 A JPS57116614 A JP S57116614A JP 290981 A JP290981 A JP 290981A JP 290981 A JP290981 A JP 290981A JP S57116614 A JPS57116614 A JP S57116614A
Authority
JP
Japan
Prior art keywords
lens
pan
melted
optical
viscosity
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.)
Pending
Application number
JP290981A
Other languages
English (en)
Inventor
Kunio Ikeda
Kiyokazu Shibusawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP290981A priority Critical patent/JPS57116614A/ja
Publication of JPS57116614A publication Critical patent/JPS57116614A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
JP290981A 1981-01-12 1981-01-12 Lens molding method Pending JPS57116614A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP290981A JPS57116614A (en) 1981-01-12 1981-01-12 Lens molding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP290981A JPS57116614A (en) 1981-01-12 1981-01-12 Lens molding method

Publications (1)

Publication Number Publication Date
JPS57116614A true JPS57116614A (en) 1982-07-20

Family

ID=11542478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP290981A Pending JPS57116614A (en) 1981-01-12 1981-01-12 Lens molding method

Country Status (1)

Country Link
JP (1) JPS57116614A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0350029A2 (en) * 1988-07-08 1990-01-10 Ceskoslovenska Akademie Ved Biconvex polymer lenses and their production and use
JPH02188433A (ja) * 1989-01-13 1990-07-24 Matsushita Electric Ind Co Ltd 光学ガラス成形体およびその成形方法
KR20160013810A (ko) * 2014-07-28 2016-02-05 아사히 가라스 가부시키가이샤 유리의 제조 방법 및 유리의 제조 장치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0350029A2 (en) * 1988-07-08 1990-01-10 Ceskoslovenska Akademie Ved Biconvex polymer lenses and their production and use
JPH02188433A (ja) * 1989-01-13 1990-07-24 Matsushita Electric Ind Co Ltd 光学ガラス成形体およびその成形方法
KR20160013810A (ko) * 2014-07-28 2016-02-05 아사히 가라스 가부시키가이샤 유리의 제조 방법 및 유리의 제조 장치

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