ITTO910423A0 - Procedimento e apparecchiatura per la realizzazione di vetri fluorurati - Google Patents
Procedimento e apparecchiatura per la realizzazione di vetri fluoruratiInfo
- Publication number
- ITTO910423A0 ITTO910423A0 IT91TO423A ITTO910423A ITTO910423A0 IT TO910423 A0 ITTO910423 A0 IT TO910423A0 IT 91TO423 A IT91TO423 A IT 91TO423A IT TO910423 A ITTO910423 A IT TO910423A IT TO910423 A0 ITTO910423 A0 IT TO910423A0
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- equipment
- fluorinated glass
- fluorinated
- Prior art date
Links
- 239000011521 glass Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
- C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B9/00—General methods of preparing halides
- C01B9/08—Fluorides
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/021—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by induction heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/025—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by arc discharge or plasma heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/225—Refining
-
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
-
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/02—Pretreated ingredients
- C03C1/022—Purification of silica sand or other minerals
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/80—Non-oxide glasses or glass-type compositions
- C03B2201/82—Fluoride glasses, e.g. ZBLAN glass
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910423A IT1249656B (it) | 1991-06-05 | 1991-06-05 | Procedimento e apparecchiatura per la realizzazione di vetri fluorurati. |
DE69200676T DE69200676T2 (de) | 1991-06-05 | 1992-06-02 | Verfahren und Vorrichtung zur Fluoridglasherstellung. |
EP92109309A EP0517169B1 (en) | 1991-06-05 | 1992-06-02 | Method of and apparatus for fluoride glass fabrication |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910423A IT1249656B (it) | 1991-06-05 | 1991-06-05 | Procedimento e apparecchiatura per la realizzazione di vetri fluorurati. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO910423A0 true ITTO910423A0 (it) | 1991-06-05 |
ITTO910423A1 ITTO910423A1 (it) | 1992-12-05 |
IT1249656B IT1249656B (it) | 1995-03-09 |
Family
ID=11409394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO910423A IT1249656B (it) | 1991-06-05 | 1991-06-05 | Procedimento e apparecchiatura per la realizzazione di vetri fluorurati. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0517169B1 (it) |
DE (1) | DE69200676T2 (it) |
IT (1) | IT1249656B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1293654B1 (it) * | 1997-07-29 | 1999-03-08 | Cselt Centro Studi Lab Telecom | Perfezionamenti ai forni ad induzione per la sintesi dei vetri. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6163538A (ja) * | 1984-09-04 | 1986-04-01 | Kokusai Denshin Denwa Co Ltd <Kdd> | フッ化物ガラスの精製法 |
JPS6217024A (ja) * | 1985-07-16 | 1987-01-26 | Kokusai Denshin Denwa Co Ltd <Kdd> | フツ化物ガラスの製造方法 |
US4885019A (en) * | 1988-01-28 | 1989-12-05 | The United States Of America As Represented By The Secretary Of The Air Force | Process for making bulk heavy metal fluoride glasses |
US4872894A (en) * | 1988-05-26 | 1989-10-10 | The United States Of America As Represented By The Secretary Of The Air Force | Method for rapid preparation of halide glasses |
IT1240939B (it) * | 1990-04-13 | 1993-12-27 | Sirti Spa | Metodo per la purificazione di prodotti di partenza per la produzione di vetri fluorurati |
-
1991
- 1991-06-05 IT ITTO910423A patent/IT1249656B/it active IP Right Grant
-
1992
- 1992-06-02 DE DE69200676T patent/DE69200676T2/de not_active Expired - Fee Related
- 1992-06-02 EP EP92109309A patent/EP0517169B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69200676D1 (de) | 1994-12-22 |
DE69200676T2 (de) | 1995-04-06 |
EP0517169A2 (en) | 1992-12-09 |
EP0517169B1 (en) | 1994-11-17 |
ITTO910423A1 (it) | 1992-12-05 |
IT1249656B (it) | 1995-03-09 |
EP0517169A3 (en) | 1993-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950616 |