IT1044139B - Perfezionamento nei forni elettrici in particolare per vetro ed altri materiali ad elevato punto di fusione - Google Patents

Perfezionamento nei forni elettrici in particolare per vetro ed altri materiali ad elevato punto di fusione

Info

Publication number
IT1044139B
IT1044139B IT50378/75A IT5037875A IT1044139B IT 1044139 B IT1044139 B IT 1044139B IT 50378/75 A IT50378/75 A IT 50378/75A IT 5037875 A IT5037875 A IT 5037875A IT 1044139 B IT1044139 B IT 1044139B
Authority
IT
Italy
Prior art keywords
improvement
glass
melting point
high melting
point materials
Prior art date
Application number
IT50378/75A
Other languages
English (en)
Original Assignee
Johns Manville
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 Johns Manville filed Critical Johns Manville
Application granted granted Critical
Publication of IT1044139B publication Critical patent/IT1044139B/it

Links

Classifications

    • 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
    • C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
    • C03B5/1672—Use of materials therefor
    • C03B5/1675—Platinum group metals
    • 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
    • C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
    • C03B5/0275—Shaft furnaces
    • 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
    • C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
    • C03B5/1672—Use of materials therefor
    • 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
    • C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/04—Electric heat

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Furnace Charging Or Discharging (AREA)
IT50378/75A 1974-07-25 1975-07-04 Perfezionamento nei forni elettrici in particolare per vetro ed altri materiali ad elevato punto di fusione IT1044139B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US491885A US3912488A (en) 1974-07-25 1974-07-25 Electric furnace outlet

Publications (1)

Publication Number Publication Date
IT1044139B true IT1044139B (it) 1980-03-20

Family

ID=23954072

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50378/75A IT1044139B (it) 1974-07-25 1975-07-04 Perfezionamento nei forni elettrici in particolare per vetro ed altri materiali ad elevato punto di fusione

Country Status (15)

Country Link
US (1) US3912488A (it)
JP (1) JPS5755660B2 (it)
BE (1) BE831091A (it)
BG (1) BG27890A3 (it)
CA (1) CA1067700A (it)
CS (1) CS191937B2 (it)
DE (1) DE2532619C3 (it)
FI (1) FI58322C (it)
FR (1) FR2279678A1 (it)
GB (1) GB1489845A (it)
HU (1) HU174331B (it)
IN (1) IN142647B (it)
IT (1) IT1044139B (it)
RO (1) RO66631A (it)
ZA (1) ZA754001B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017294A (en) * 1974-07-25 1977-04-12 Johns-Manville Corporation Furnace outlet
US4213002A (en) * 1978-11-29 1980-07-15 Sorg Gmbh & Co. Kg Electrically heated melting furnace for mineral materials
JPS55150333A (en) * 1979-05-11 1980-11-22 Nisshinbo Ind Inc Manufacturing of fiber reinforced resin foaming body
EP0019007B1 (de) * 1979-05-16 1984-03-07 Sorg GmbH & Co. KG Schmelzofen hoher Leistung für das Schmelzen aggressiver Mineralstoffe mit steilen Viskositätskurven
US4350516A (en) * 1981-02-13 1982-09-21 Guardian Industries Corporation Outlet for a glass melting furnace
US4366571A (en) * 1981-03-16 1982-12-28 Corning Glass Works Electric furnace construction
JPS58178054U (ja) * 1982-05-25 1983-11-29 東京部品工業株式会社 ホイ−ルブレ−キ用切換シリンダ−
JPS595458U (ja) * 1982-07-05 1984-01-13 埼玉機器株式会社 ブレ−キ用切換シリンダ
CA1200826A (en) * 1983-06-17 1986-02-18 Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Canada Limited/L'energie Atomique Du Canada Limitee Joule melter for the processing of radioactive wastes
AT391128B (de) * 1985-10-14 1990-08-27 Voest Alpine Ag Schmelzgefaess fuer nichtmetallische stoffe
ATE126078T1 (de) * 1989-02-13 1995-08-15 Vert Investments Ltd Verfahren zur behandlung von giftabfällen.
FR2704634B1 (fr) * 1993-04-29 1995-06-02 Commissariat Energie Atomique Dispositif d'extraction par coulée à débit réglable d'un matériau fondu dans un four de fusion à parois froides.
FR2985254B1 (fr) 2011-12-28 2013-12-20 Saint Gobain Isover Procede de fibrage de matieres vitrifiables
FR3023550B1 (fr) 2014-07-08 2016-07-29 Saint Gobain Isover Dispositif de fusion du verre comprenant un four, un canal et un barrage
US10570045B2 (en) 2015-05-22 2020-02-25 John Hart Miller Glass and other material melting systems
US20220388883A1 (en) * 2020-09-30 2022-12-08 Owens-Brockway Glass Container Inc. Fluid-Cooled Needle for Molten Material Flow Control
AT17692U1 (de) * 2022-01-18 2022-11-15 Plansee Se Schutzeinrichtung für eine glasschmelzeinrichtung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1680543A (en) * 1926-08-20 1928-08-14 Hartford Empire Co Feeding molten glass
US2190296A (en) * 1938-08-27 1940-02-13 Westinghouse Electric & Mfg Co Guide for molten material
US2654185A (en) * 1949-12-21 1953-10-06 Emhart Mfg Co Molten glass feeder spout
US2777254A (en) * 1952-10-22 1957-01-15 Owens Corning Fiberglass Corp Coated refractory for contacting molten glass and method of making same
CA636268A (en) * 1955-11-21 1962-02-13 The Babcock And Wilcox Company Tap assembly for an electric furnace
NL278242A (it) * 1961-05-10
US3305619A (en) * 1963-08-07 1967-02-21 Exxon Research Engineering Co Electrode installation
US3508904A (en) * 1965-04-29 1970-04-28 Owens Illinois Inc Glass feeding orifice with multichamber combustion zones
FR1482084A (fr) * 1966-03-25 1967-05-26 Four électrique perfectionné de fusion à très haute température
US3560188A (en) * 1968-07-03 1971-02-02 Emhart Corp Glass feeding apparatus having a plural charge orifice plate support frame
FR2029840A5 (it) * 1969-01-28 1970-10-23 Clerc De Bussy Le
GB1352319A (en) * 1970-03-20 1974-05-08 Johnson Matthey Co Ltd Cladding of metals
FR2082839A5 (it) * 1970-03-27 1971-12-10 Le Clerc De Bussy Jacque
US3777040A (en) * 1973-04-25 1973-12-04 Toledo Eng Co Inc Protection of glass melting furnace electrode

Also Published As

Publication number Publication date
RO66631A (ro) 1980-07-15
GB1489845A (en) 1977-10-26
JPS5755660B2 (it) 1982-11-25
CA1067700A (en) 1979-12-11
BG27890A3 (en) 1980-01-15
FI58322C (fi) 1981-01-12
US3912488A (en) 1975-10-14
CS191937B2 (en) 1979-07-31
DE2532619B2 (de) 1977-10-27
BE831091A (fr) 1976-01-07
FR2279678A1 (fr) 1976-02-20
DE2532619C3 (de) 1978-06-15
DE2532619A1 (de) 1976-02-05
FI58322B (fi) 1980-09-30
IN142647B (it) 1977-08-06
JPS5137110A (it) 1976-03-29
ZA754001B (en) 1976-06-30
HU174331B (hu) 1979-12-28
AU8252975A (en) 1977-01-06
FI752134A (it) 1976-01-26
FR2279678B1 (it) 1978-04-28

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