[go: up one dir, main page]

ITTO910423A1 - Procedimento e apparecchiatura per la realizzazione di vetri fluorurati. - Google Patents

Procedimento e apparecchiatura per la realizzazione di vetri fluorurati.

Info

Publication number
ITTO910423A1
ITTO910423A1 IT000423A ITTO910423A ITTO910423A1 IT TO910423 A1 ITTO910423 A1 IT TO910423A1 IT 000423 A IT000423 A IT 000423A IT TO910423 A ITTO910423 A IT TO910423A IT TO910423 A1 ITTO910423 A1 IT TO910423A1
Authority
IT
Italy
Prior art keywords
creation
procedure
equipment
fluorinated glass
fluorinated
Prior art date
Application number
IT000423A
Other languages
English (en)
Inventor
Marco Braglia
Giuseppe Cocito
Original Assignee
Pirelli Cavi Spa
Sip Societay Italiana Per Lyesercizio Delle Teleco
Sirti Spa
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 Pirelli Cavi Spa, Sip Societay Italiana Per Lyesercizio Delle Teleco, Sirti Spa filed Critical Pirelli Cavi Spa
Priority to ITTO910423A priority Critical patent/IT1249656B/it
Publication of ITTO910423A0 publication Critical patent/ITTO910423A0/it
Priority to DE69200676T priority patent/DE69200676T2/de
Priority to EP92109309A priority patent/EP0517169B1/en
Publication of ITTO910423A1 publication Critical patent/ITTO910423A1/it
Application granted granted Critical
Publication of IT1249656B publication Critical patent/IT1249656B/it

Links

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)
ITTO910423A 1991-06-05 1991-06-05 Procedimento e apparecchiatura per la realizzazione di vetri fluorurati. IT1249656B (it)

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 ITTO910423A0 (it) 1991-06-05
ITTO910423A1 true 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)

* Cited by examiner, † Cited by third party
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 (4)

* Cited by examiner, † Cited by third party
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
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

Also Published As

Publication number Publication date
DE69200676D1 (de) 1994-12-22
ITTO910423A0 (it) 1991-06-05
IT1249656B (it) 1995-03-09
EP0517169A3 (en) 1993-02-17
EP0517169B1 (en) 1994-11-17
EP0517169A2 (en) 1992-12-09
DE69200676T2 (de) 1995-04-06

Similar Documents

Publication Publication Date Title
IT1236541B (it) Procedimento ed apparecchiatura per il trattamento di lastre di vetro.
ITMI920569A0 (it) Procedimento per la fabbricazione di tastiere
IT1231938B (it) Procedimento ed apparecchiatura per la pulizia.
ITRM910672A1 (it) Apparecchiatura e procedimento di registrazione grafica seriale.
IT8447911A1 (it) Apparecchiatura per il trattamento di bottiglia e simili.
FI941424A7 (fi) Fluoratut 17beta-substituoidut 4-atsa-5alfa-androstan-3-onijohdannaiset
IT8467714A1 (it) Apparecchiatura e procedimento di nebulizzazione per la formazione di refrattari.
IT1273630B (it) Metodo di scandire la superficie di un oggetto
ITMI931680A0 (it) Procedimento per la preparazione di alcansolfonammidi
ITRM930502A0 (it) Procedimento per la produzione di r amminocarnitina e s amminocarnitina.
ITMI941043A0 (it) Apparecchiatura per la realizzazione di tracheostoria translaringea
ITTO910423A1 (it) Procedimento e apparecchiatura per la realizzazione di vetri fluorurati.
IT1230254B (it) Procedimento e dispositivo per la realizzazione di pannelli.
IT1267078B1 (it) Apparecchiatura per la preparazione di soluzioni
ITRM940140A0 (it) Procedimento e dispositivo per la produzione di potassa.
IT8320985A0 (it) Apparecchiatura e procedimento per la ricottura localizzata di tubolatura.
IT9019299A0 (it) Procedimento per la debromurazione di 2-sostituiti-5-bromo- 6-metossinaftaleni
IT1243066B (it) Apparecchiatura e procedimento per la produzione di contenitori.
IT1287886B1 (it) Procedimento per la preparazione di composti etanici fluorurati
ITTO910058A1 (it) Profilato per vetrina frigorifera ed attrezzatura di vetrina frigorifera utilizzante tale procedimento
ITTO910481A1 (it) Apparecchio e procedimento per la verifica della solidita&#39; di un oggetto.
ITMI913404A1 (it) Procedimento e mezzi per la realizzazione di micropali confinati
ITMI930340A1 (it) Procedimento per la preparazione di 5-oxo-2-pirrolidoncarbossilato di piridossina
IT9020192A1 (it) Apparecchiatura per la teflonatura di minuterie metalliche e simili
ITMI922378A1 (it) Procedimento per la stabilizzazione di residui e bitumi.

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950616