IT1171073B - Procedimento e forno ad induzione modificati a zirconia - Google Patents

Procedimento e forno ad induzione modificati a zirconia

Info

Publication number
IT1171073B
IT1171073B IT21323/83A IT2132383A IT1171073B IT 1171073 B IT1171073 B IT 1171073B IT 21323/83 A IT21323/83 A IT 21323/83A IT 2132383 A IT2132383 A IT 2132383A IT 1171073 B IT1171073 B IT 1171073B
Authority
IT
Italy
Prior art keywords
zirconia
procedure
induction oven
oven modified
modified
Prior art date
Application number
IT21323/83A
Other languages
English (en)
Other versions
IT8321323A0 (it
Inventor
Matthew Julius Andrejco
Un Chul Paek
Charles Martin Schroeder Jr
Original Assignee
Western Electric Co
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
Priority claimed from US06/383,066 external-priority patent/US4533378A/en
Priority claimed from US06/383,386 external-priority patent/US4450333A/en
Application filed by Western Electric Co filed Critical Western Electric Co
Publication of IT8321323A0 publication Critical patent/IT8321323A0/it
Application granted granted Critical
Publication of IT1171073B publication Critical patent/IT1171073B/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
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/029—Furnaces therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/62—Heating means for drawing
    • C03B2205/63—Ohmic resistance heaters, e.g. carbon or graphite resistance heaters
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/62—Heating means for drawing
    • C03B2205/64—Induction furnaces, i.e. HF/RF coil, e.g. of the graphite or zirconia susceptor type
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/70—Draw furnace insulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Supply And Installment Of Electrical Components (AREA)
  • General Induction Heating (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Furnace Details (AREA)
IT21323/83A 1982-05-28 1983-05-26 Procedimento e forno ad induzione modificati a zirconia IT1171073B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/383,066 US4533378A (en) 1982-05-28 1982-05-28 Modified zirconia induction furnace
US06/383,386 US4450333A (en) 1982-05-28 1982-05-28 Zirconia induction furnace

Publications (2)

Publication Number Publication Date
IT8321323A0 IT8321323A0 (it) 1983-05-26
IT1171073B true IT1171073B (it) 1987-06-10

Family

ID=27010033

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21323/83A IT1171073B (it) 1982-05-28 1983-05-26 Procedimento e forno ad induzione modificati a zirconia

Country Status (5)

Country Link
EP (1) EP0110899B1 (it)
DE (1) DE3369452D1 (it)
GB (1) GB2121028B (it)
IT (1) IT1171073B (it)
WO (1) WO1983004364A1 (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1184921B (it) * 1985-03-22 1987-10-28 Cselt Centro Studi Lab Telecom Procedimento per il trattamento su perficiale dell elemento riscaldante di forni per la filatura di fibre ottiche
US4950319A (en) * 1986-01-30 1990-08-21 Corning Incorporated Heating oven for preparing optical waveguide fibers
US4741748A (en) * 1986-01-30 1988-05-03 Corning Glass Works Heating oven for preparing optical waveguide fibers
GB2192698B (en) * 1986-07-15 1990-06-20 Stc Plc Tube furnace
DE3842690C2 (de) * 1988-12-19 1998-04-30 Didier Werke Ag Feuerfeste Verbindung sowie Induktionsspule hierfür
DE4108153A1 (de) * 1991-03-14 1992-09-17 Didier Werke Ag Feuerfestes formteil und dessen verwendung
DE4301330C2 (de) * 1993-01-20 1997-02-13 Didier Werke Ag Verfahren durch induktives Aufheizen zum Tempern und/oder Brennen eines feuerfesten Formkörpers aus keramischen Material
DE69601660T2 (de) * 1995-05-18 1999-09-02 At&T Ipm Corp. Zirconiumdioxid-Induktionsofen mit Isolierung aus Magnesiumoxid zum Ziehen optischer Glasfasern
DE19900375A1 (de) 1999-01-08 2000-07-13 Alcatel Sa Vorrichtung zum Ziehen einer Faser
US20080035682A1 (en) * 2006-08-10 2008-02-14 Calvin Thomas Coffey Apparatus for particle synthesis
US8790782B2 (en) 2008-07-02 2014-07-29 E I Du Pont De Nemours And Company Method for making glass frit powders using aerosol decomposition

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1381241A (fr) * 1963-03-05 1964-12-14 Saint Gobain Rouleaux indéformables à haute température et leur application
DE1249802B (it) * 1964-03-05
CH610396A5 (it) * 1975-03-06 1979-04-12 Prolizenz Ag
US4159891A (en) * 1975-03-12 1979-07-03 Prolizenz Ag Crucible
US4090851A (en) * 1976-10-15 1978-05-23 Rca Corporation Si3 N4 Coated crucible and die means for growing single crystalline silicon sheets
DE2818550C2 (de) * 1977-04-30 1990-03-29 Sumitomo Electric Industries, Ltd., Osaka Vorrichtung zum Ziehen von optischen Fasern
DE2926177C2 (de) * 1979-06-28 1986-02-06 Siemens AG, 1000 Berlin und 8000 München Staubfreier Ofen für die Herstellung optischer Glasfasern aus einer stabförmigen Vorform
DE3025680A1 (de) * 1980-07-07 1982-02-04 Siemens AG, 1000 Berlin und 8000 München Heizkoerper fuer einen hochtemperaturofen
US4356152A (en) * 1981-03-13 1982-10-26 Rca Corporation Silicon melting crucible

Also Published As

Publication number Publication date
WO1983004364A1 (en) 1983-12-08
GB2121028A (en) 1983-12-14
GB8314808D0 (en) 1983-07-06
EP0110899A1 (en) 1984-06-20
EP0110899A4 (en) 1984-09-28
GB2121028B (en) 1986-03-19
DE3369452D1 (en) 1987-02-26
IT8321323A0 (it) 1983-05-26
EP0110899B1 (en) 1987-01-21

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Legal Events

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

Effective date: 19970526