GB1591210A - Glasses for eyeglass lenses - Google Patents

Glasses for eyeglass lenses

Info

Publication number
GB1591210A
GB1591210A GB885578A GB885578A GB1591210A GB 1591210 A GB1591210 A GB 1591210A GB 885578 A GB885578 A GB 885578A GB 885578 A GB885578 A GB 885578A GB 1591210 A GB1591210 A GB 1591210A
Authority
GB
United Kingdom
Prior art keywords
glasses
eyeglass lenses
eyeglass
lenses
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
Application number
GB885578A
Other languages
English (en)
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Publication of GB1591210A publication Critical patent/GB1591210A/en
Expired 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
    • C03C3/062—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
    • C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
    • 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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/14—Silica-free oxide glass compositions containing boron

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)
  • Glass Compositions (AREA)
  • Eyeglasses (AREA)
GB885578A 1977-03-05 1978-03-06 Glasses for eyeglass lenses Expired GB1591210A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2331477A JPS53109514A (en) 1977-03-05 1977-03-05 Glass for spectacle lens

Publications (1)

Publication Number Publication Date
GB1591210A true GB1591210A (en) 1981-06-17

Family

ID=12107120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB885578A Expired GB1591210A (en) 1977-03-05 1978-03-06 Glasses for eyeglass lenses

Country Status (3)

Country Link
JP (1) JPS53109514A (de)
DE (1) DE2809409C3 (de)
GB (1) GB1591210A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4390638A (en) 1980-07-14 1983-06-28 Schott Glaswerke Acidproof, hydrolysis-resistant optical and ophthalmic glass of low density
US4400473A (en) 1980-07-14 1983-08-23 Schott Glaswerke Acidproof, hydrolysis-resistant optical and ophathalmic glass of low density

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2035290B (en) * 1978-11-24 1982-11-10 Standard Telephones Cables Ltd Glass compositions and cements incorporating such compositions
DE3117000C2 (de) * 1981-04-29 1986-05-28 Schott Glaswerke, 6500 Mainz Phototropes Glas mit einem Brechungsindex ≥ 1,59, einer Abbezahl ≥ 40 und einer Dichte ≦ 3,2 g/cm↑3↑
JPS5875309U (ja) * 1981-11-13 1983-05-21 東芝電池株式会社 自走式レコ−ドクリ−ナ−
FR2530235A1 (fr) * 1982-07-16 1984-01-20 Corning Glass Works Verres a haut indice de refraction, faible dispersion et faible densite
DE4032566C2 (de) * 1990-10-13 1993-12-16 Schott Glaswerke Bleifreies optisches Glas mit negativ abweichender anomaler Teildispersion
DE10102296C1 (de) * 2001-01-19 2002-02-21 Schott Glas Gläser mit hohem spezifischen Elastizitätsmodul und deren Verwendung
AU2003231441A1 (en) * 2002-05-14 2003-11-11 Asahi Glass Company, Limited Glass, method for production thereof, and fed device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1121000A (en) 1965-09-13 1968-07-24 Pilkington Brothers Ltd Improvements in or relating to optical glass
JPS529012A (en) * 1975-07-10 1977-01-24 Hoya Glass Works Ltd Glass for lens of eyeglass
JPS51142010A (en) * 1975-06-02 1976-12-07 Hoya Glass Works Ltd Glass for lens of eye glass
JPS5211210A (en) * 1975-06-18 1977-01-28 Obara Optical Glass Glass for eyeglass
JPS5269915A (en) * 1975-12-10 1977-06-10 Hoya Glass Works Ltd Glass for lens of eyeglasses
FR2348163A1 (fr) * 1976-04-16 1977-11-10 Corning Glass Works Verre a haut indice de refraction et faible densite

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4390638A (en) 1980-07-14 1983-06-28 Schott Glaswerke Acidproof, hydrolysis-resistant optical and ophthalmic glass of low density
US4400473A (en) 1980-07-14 1983-08-23 Schott Glaswerke Acidproof, hydrolysis-resistant optical and ophathalmic glass of low density

Also Published As

Publication number Publication date
DE2809409A1 (de) 1978-09-07
DE2809409B2 (de) 1980-02-28
JPS53109514A (en) 1978-09-25
DE2809409C3 (de) 1982-12-23
JPS5511628B2 (de) 1980-03-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930306