JPS6121925A - プレスレンズの成形方法 - Google Patents

プレスレンズの成形方法

Info

Publication number
JPS6121925A
JPS6121925A JP13889784A JP13889784A JPS6121925A JP S6121925 A JPS6121925 A JP S6121925A JP 13889784 A JP13889784 A JP 13889784A JP 13889784 A JP13889784 A JP 13889784A JP S6121925 A JPS6121925 A JP S6121925A
Authority
JP
Japan
Prior art keywords
press
laser beam
carbon dioxide
lens
forming
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
JP13889784A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6228090B2 (enrdf_load_stackoverflow
Inventor
Takaharu Kobayashi
隆治 小林
Tetsuo Izumitani
泉谷　徹郎
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.)
Hoya Corp
Original Assignee
Hoya Corp
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 Hoya Corp filed Critical Hoya Corp
Priority to JP13889784A priority Critical patent/JPS6121925A/ja
Publication of JPS6121925A publication Critical patent/JPS6121925A/ja
Publication of JPS6228090B2 publication Critical patent/JPS6228090B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
    • C03B29/02—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a discontinuous way
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/46—Lenses, e.g. bi-convex
    • C03B2215/47—Bi-concave

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
JP13889784A 1984-07-06 1984-07-06 プレスレンズの成形方法 Granted JPS6121925A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13889784A JPS6121925A (ja) 1984-07-06 1984-07-06 プレスレンズの成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13889784A JPS6121925A (ja) 1984-07-06 1984-07-06 プレスレンズの成形方法

Publications (2)

Publication Number Publication Date
JPS6121925A true JPS6121925A (ja) 1986-01-30
JPS6228090B2 JPS6228090B2 (enrdf_load_stackoverflow) 1987-06-18

Family

ID=15232673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13889784A Granted JPS6121925A (ja) 1984-07-06 1984-07-06 プレスレンズの成形方法

Country Status (1)

Country Link
JP (1) JPS6121925A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61146723A (ja) * 1984-12-19 1986-07-04 Matsushita Electric Ind Co Ltd 非球面レンズの成形方法
US4976764A (en) * 1988-09-28 1990-12-11 Hoya Corporation Method of pretreating glass preform with oxygen plasma
US5435818A (en) * 1992-06-02 1995-07-25 Canon Kabushiki Kaisha Mold for optical element and a method of molding optical element
EP1225030A3 (en) * 2000-08-17 2003-11-19 Novartis Pharma GmbH Pre-treatment of molds

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61146723A (ja) * 1984-12-19 1986-07-04 Matsushita Electric Ind Co Ltd 非球面レンズの成形方法
US4976764A (en) * 1988-09-28 1990-12-11 Hoya Corporation Method of pretreating glass preform with oxygen plasma
US5435818A (en) * 1992-06-02 1995-07-25 Canon Kabushiki Kaisha Mold for optical element and a method of molding optical element
US5604549A (en) * 1992-06-02 1997-02-18 Canon Kabushiki Kaisha Press-molded optical element
EP1225030A3 (en) * 2000-08-17 2003-11-19 Novartis Pharma GmbH Pre-treatment of molds
US6737661B2 (en) 2000-08-17 2004-05-18 Novartis Ag Pre-treatment of molds

Also Published As

Publication number Publication date
JPS6228090B2 (enrdf_load_stackoverflow) 1987-06-18

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