GB1591210A - Glasses for eyeglass lenses - Google Patents
Glasses for eyeglass lensesInfo
- 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
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)
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)
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)
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 |
WO2003095381A1 (fr) * | 2002-05-14 | 2003-11-20 | Asahi Glass Company, Limited | Verre, son procédé de production, et dispositif d'écran à emission de champ |
Family Cites Families (6)
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 |
JPS51142010A (en) * | 1975-06-02 | 1976-12-07 | Hoya Glass Works Ltd | Glass for lens of eye glass |
JPS529012A (en) * | 1975-07-10 | 1977-01-24 | Hoya Glass Works Ltd | Glass for lens of eyeglass |
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 |
-
1977
- 1977-03-05 JP JP2331477A patent/JPS53109514A/ja active Granted
-
1978
- 1978-03-04 DE DE19782809409 patent/DE2809409C3/de not_active Expired
- 1978-03-06 GB GB885578A patent/GB1591210A/en not_active Expired
Cited By (2)
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 |
---|---|
JPS53109514A (en) | 1978-09-25 |
DE2809409A1 (de) | 1978-09-07 |
DE2809409B2 (de) | 1980-02-28 |
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 |