GB2001953A - Durable glass elements - Google Patents
Durable glass elementsInfo
- Publication number
- GB2001953A GB2001953A GB7831775A GB7831775A GB2001953A GB 2001953 A GB2001953 A GB 2001953A GB 7831775 A GB7831775 A GB 7831775A GB 7831775 A GB7831775 A GB 7831775A GB 2001953 A GB2001953 A GB 2001953A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass elements
- durable glass
- microspheres
- elements
- durable
- 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
Links
- 239000011521 glass Substances 0.000 title abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000004005 microsphere Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000009472 formulation Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
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
- C03C12/00—Powdered glass; Bead compositions
- C03C12/02—Reflective beads
-
- 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
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
- C03C13/046—Multicomponent glass compositions
-
- 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)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Road Signs Or Road Markings (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Elements e.g. microspheres having improved combination of crushing strength, index of refraction, and, especially in some formulations, chemical resistance comprise to an extent of at least 85% by weight of the glass composition 5-60 B2O3, 20-50TiO2, 10-35 BaO/SrO, 0-15 Na2O/K2O and 0-40 SiO2. The microspheres are especially adapted for use as retroreflective elements in pavement markings.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82080977A | 1977-08-01 | 1977-08-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2001953A true GB2001953A (en) | 1979-02-14 |
| GB2001953B GB2001953B (en) | 1982-05-12 |
Family
ID=25231771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7831775A Expired GB2001953B (en) | 1977-08-01 | 1978-07-31 | Durable glass elements |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5434314A (en) |
| AT (1) | AT382604B (en) |
| AU (1) | AU521101B2 (en) |
| BE (1) | BE869421A (en) |
| BR (1) | BR7804929A (en) |
| CA (1) | CA1105949A (en) |
| DE (1) | DE2833868A1 (en) |
| ES (1) | ES472190A1 (en) |
| FR (1) | FR2399390A1 (en) |
| GB (1) | GB2001953B (en) |
| IT (1) | IT1109424B (en) |
| NL (1) | NL183643C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59139591A (en) * | 1983-01-28 | 1984-08-10 | 松下電器産業株式会社 | Induction heating cooking device |
| JPS60893U (en) * | 1983-06-17 | 1985-01-07 | 株式会社東芝 | Electromagnetic cooking device |
| AU601148B2 (en) * | 1985-03-08 | 1990-09-06 | Acryline Paints And Membranes Pty Limited | Paint composition |
| US6245700B1 (en) * | 1999-07-27 | 2001-06-12 | 3M Innovative Properties Company | Transparent microspheres |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2992122A (en) * | 1959-02-16 | 1961-07-11 | Minnesota Mining & Mfg | Light filtering high-index glass elements |
| FR1388413A (en) * | 1963-04-22 | 1965-02-05 | Cataphote Corp | Composition for glass manufacturing |
| DE1250977B (en) * | 1963-04-22 | 1967-09-28 | ||
| GB1034037A (en) * | 1964-05-19 | 1966-06-29 | Prismo Safety Corp | Fluorescent glass spheres |
| US3563771A (en) * | 1968-02-28 | 1971-02-16 | Minnesota Mining & Mfg | Novel black glass bead products |
| US3946130A (en) * | 1974-04-01 | 1976-03-23 | Minnesota Mining And Manufacturing Company | Transparent glass microspheres and products made therefrom |
-
1978
- 1978-07-17 CA CA307,550A patent/CA1105949A/en not_active Expired
- 1978-07-28 NL NLAANVRAGE7808010,A patent/NL183643C/en not_active IP Right Cessation
- 1978-07-29 ES ES472190A patent/ES472190A1/en not_active Expired
- 1978-07-31 IT IT50538/78A patent/IT1109424B/en active
- 1978-07-31 BE BE189630A patent/BE869421A/en not_active IP Right Cessation
- 1978-07-31 AT AT0554078A patent/AT382604B/en not_active IP Right Cessation
- 1978-07-31 FR FR7822562A patent/FR2399390A1/en active Granted
- 1978-07-31 JP JP9353378A patent/JPS5434314A/en active Granted
- 1978-07-31 BR BR7804929A patent/BR7804929A/en unknown
- 1978-07-31 AU AU38472/78A patent/AU521101B2/en not_active Expired
- 1978-07-31 GB GB7831775A patent/GB2001953B/en not_active Expired
- 1978-07-31 DE DE19782833868 patent/DE2833868A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2001953B (en) | 1982-05-12 |
| IT1109424B (en) | 1985-12-16 |
| BR7804929A (en) | 1979-04-10 |
| FR2399390A1 (en) | 1979-03-02 |
| AU521101B2 (en) | 1982-03-18 |
| ES472190A1 (en) | 1979-08-01 |
| ATA554078A (en) | 1986-08-15 |
| CA1105949A (en) | 1981-07-28 |
| JPS6129894B2 (en) | 1986-07-10 |
| DE2833868A1 (en) | 1979-02-15 |
| FR2399390B1 (en) | 1983-11-25 |
| DE2833868C2 (en) | 1988-06-30 |
| AT382604B (en) | 1987-03-25 |
| JPS5434314A (en) | 1979-03-13 |
| IT7850538A0 (en) | 1978-07-31 |
| NL183643B (en) | 1988-07-18 |
| NL183643C (en) | 1988-12-16 |
| NL7808010A (en) | 1979-02-05 |
| BE869421A (en) | 1979-01-31 |
| AU3847278A (en) | 1980-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19980730 |