JPS51142010A - Glass for lens of eye glass - Google Patents

Glass for lens of eye glass

Info

Publication number
JPS51142010A
JPS51142010A JP6627075A JP6627075A JPS51142010A JP S51142010 A JPS51142010 A JP S51142010A JP 6627075 A JP6627075 A JP 6627075A JP 6627075 A JP6627075 A JP 6627075A JP S51142010 A JPS51142010 A JP S51142010A
Authority
JP
Japan
Prior art keywords
glass
lens
eye
eye glass
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
JP6627075A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5342326B2 (enrdf_load_stackoverflow
Inventor
Hiroharu Sagara
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 Glass Works Ltd
Original Assignee
Hoya Glass Works 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 Hoya Glass Works Ltd filed Critical Hoya Glass Works Ltd
Priority to JP6627075A priority Critical patent/JPS51142010A/ja
Priority to AU14003/76A priority patent/AU484911B2/en
Priority to DE2660012A priority patent/DE2660012C2/de
Priority to DE2623683A priority patent/DE2623683C3/de
Priority to GB2267376A priority patent/GB1539231A/en
Priority to US05/692,074 priority patent/US4055435A/en
Priority to FR7616698A priority patent/FR2313328A1/fr
Publication of JPS51142010A publication Critical patent/JPS51142010A/ja
Publication of JPS5342326B2 publication Critical patent/JPS5342326B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Eyeglasses (AREA)
  • Glass Compositions (AREA)
JP6627075A 1975-06-02 1975-06-02 Glass for lens of eye glass Granted JPS51142010A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP6627075A JPS51142010A (en) 1975-06-02 1975-06-02 Glass for lens of eye glass
AU14003/76A AU484911B2 (en) 1975-06-02 1976-05-17 Glass compositions for ophthalmic lenses
DE2660012A DE2660012C2 (de) 1975-06-02 1976-05-26 Gläser für Augenlinsen mit einem Brechungsindex von mindestens 1,70, einem Abbe-Wert von 40 und einem spezifischen Gewicht von nicht mehr als 3,0g/cm↑3↑
DE2623683A DE2623683C3 (de) 1975-06-02 1976-05-26 Glas für Augenlinsen mit einem Brechungsindex von mindestens 40 und einem spezifischen Gewicht von nicht mehr als 3,lg/cm3
GB2267376A GB1539231A (en) 1975-06-02 1976-06-01 Glass compositions for ophthalmic lenses
US05/692,074 US4055435A (en) 1975-06-02 1976-06-02 Glass compositions for ophthalmic lenses
FR7616698A FR2313328A1 (fr) 1975-06-02 1976-06-02 Compositions de verres pour verres de lunetterie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6627075A JPS51142010A (en) 1975-06-02 1975-06-02 Glass for lens of eye glass

Publications (2)

Publication Number Publication Date
JPS51142010A true JPS51142010A (en) 1976-12-07
JPS5342326B2 JPS5342326B2 (enrdf_load_stackoverflow) 1978-11-10

Family

ID=13310975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6627075A Granted JPS51142010A (en) 1975-06-02 1975-06-02 Glass for lens of eye glass

Country Status (2)

Country Link
JP (1) JPS51142010A (enrdf_load_stackoverflow)
GB (1) GB1539231A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109514A (en) * 1977-03-05 1978-09-25 Nippon Chemical Ind Glass for spectacle lens
JPH06107425A (ja) * 1991-04-05 1994-04-19 Ohara Inc 光学ガラス
JP2014237586A (ja) * 2014-08-13 2014-12-18 Hoya株式会社 車載カメラ用レンズ

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6021828A (ja) * 1983-07-14 1985-02-04 Hoya Corp 眼鏡レンズ用ガラス

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109514A (en) * 1977-03-05 1978-09-25 Nippon Chemical Ind Glass for spectacle lens
JPH06107425A (ja) * 1991-04-05 1994-04-19 Ohara Inc 光学ガラス
JP2014237586A (ja) * 2014-08-13 2014-12-18 Hoya株式会社 車載カメラ用レンズ

Also Published As

Publication number Publication date
GB1539231A (en) 1979-01-31
JPS5342326B2 (enrdf_load_stackoverflow) 1978-11-10

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