FR2120138A1 - - Google Patents

Info

Publication number
FR2120138A1
FR2120138A1 FR7147433A FR7147433A FR2120138A1 FR 2120138 A1 FR2120138 A1 FR 2120138A1 FR 7147433 A FR7147433 A FR 7147433A FR 7147433 A FR7147433 A FR 7147433A FR 2120138 A1 FR2120138 A1 FR 2120138A1
Authority
FR
France
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
Application number
FR7147433A
Other languages
French (fr)
Other versions
FR2120138B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of FR2120138A1 publication Critical patent/FR2120138A1/fr
Application granted granted Critical
Publication of FR2120138B1 publication Critical patent/FR2120138B1/fr
Expired legal-status Critical Current

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
    • C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
    • C03B5/033—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by using resistance heaters above or in the glass bath, i.e. by indirect resistance heating
    • C03B5/0336—Shaft furnaces
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0019—Circuit arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/62—Heating elements specially adapted for furnaces
    • 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)
  • Resistance Heating (AREA)
  • Glass Melting And Manufacturing (AREA)
FR7147433A 1970-12-30 1971-12-29 Expired FR2120138B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702064433 DE2064433A1 (en) 1970-12-30 1970-12-30 Electrically heated shaft furnace for melting quartz glass

Publications (2)

Publication Number Publication Date
FR2120138A1 true FR2120138A1 (en) 1972-08-11
FR2120138B1 FR2120138B1 (en) 1975-07-18

Family

ID=5792555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7147433A Expired FR2120138B1 (en) 1970-12-30 1971-12-29

Country Status (5)

Country Link
US (1) US3721744A (en)
DE (1) DE2064433A1 (en)
FR (1) FR2120138B1 (en)
GB (1) GB1342100A (en)
NL (1) NL7116139A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR708843A (en) * 1931-01-05 1931-07-29 Adjustable device for heating, by resistance, electric furnaces for heat treatments
GB637056A (en) * 1948-02-27 1950-05-10 Kenneth Charles Shotbolt Improvements in and relating to electrical heating for ovens with travelling conveyors
US2596327A (en) * 1949-07-19 1952-05-13 Shell Dev Electric heater
CH316954A (en) * 1952-09-01 1956-10-31 Siemens Ag Three-phase high vacuum furnace
FR1491108A (en) * 1966-09-02 1967-08-04 Australlian Atomic Energy Comm Electric resistance furnaces for heating to high temperatures

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR708843A (en) * 1931-01-05 1931-07-29 Adjustable device for heating, by resistance, electric furnaces for heat treatments
GB637056A (en) * 1948-02-27 1950-05-10 Kenneth Charles Shotbolt Improvements in and relating to electrical heating for ovens with travelling conveyors
US2596327A (en) * 1949-07-19 1952-05-13 Shell Dev Electric heater
CH316954A (en) * 1952-09-01 1956-10-31 Siemens Ag Three-phase high vacuum furnace
FR1491108A (en) * 1966-09-02 1967-08-04 Australlian Atomic Energy Comm Electric resistance furnaces for heating to high temperatures

Also Published As

Publication number Publication date
NL7116139A (en) 1972-07-04
FR2120138B1 (en) 1975-07-18
DE2064433A1 (en) 1972-07-20
US3721744A (en) 1973-03-20
GB1342100A (en) 1973-12-25

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Legal Events

Date Code Title Description
ST Notification of lapse