FR1307795A - Improvements to furnaces heated by electric resistances and provided with tubular heating chambers - Google Patents

Improvements to furnaces heated by electric resistances and provided with tubular heating chambers

Info

Publication number
FR1307795A
FR1307795A FR881590A FR881590A FR1307795A FR 1307795 A FR1307795 A FR 1307795A FR 881590 A FR881590 A FR 881590A FR 881590 A FR881590 A FR 881590A FR 1307795 A FR1307795 A FR 1307795A
Authority
FR
France
Prior art keywords
heating chambers
tubular heating
electric resistances
furnaces heated
furnaces
Prior art date
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.)
Expired
Application number
FR881590A
Other languages
French (fr)
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.)
SKF AB
Original Assignee
SKF AB
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 SKF AB filed Critical SKF AB
Priority to FR881590A priority Critical patent/FR1307795A/en
Application granted granted Critical
Publication of FR1307795A publication Critical patent/FR1307795A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/40—Direct resistance heating
    • 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
    • H05B3/64—Heating elements specially adapted for furnaces using ribbon, rod, or wire heater
FR881590A 1961-12-11 1961-12-11 Improvements to furnaces heated by electric resistances and provided with tubular heating chambers Expired FR1307795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR881590A FR1307795A (en) 1961-12-11 1961-12-11 Improvements to furnaces heated by electric resistances and provided with tubular heating chambers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR881590A FR1307795A (en) 1961-12-11 1961-12-11 Improvements to furnaces heated by electric resistances and provided with tubular heating chambers

Publications (1)

Publication Number Publication Date
FR1307795A true FR1307795A (en) 1962-10-26

Family

ID=8768468

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881590A Expired FR1307795A (en) 1961-12-11 1961-12-11 Improvements to furnaces heated by electric resistances and provided with tubular heating chambers

Country Status (1)

Country Link
FR (1) FR1307795A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361035A1 (en) * 1976-08-03 1978-03-03 Heurtey Metallurgie Infrared furnace for small metal blanks - attains e.g. 1300 degrees C within a cylindrical heated area surrounding load rails
FR2589025A1 (en) * 1985-10-21 1987-04-24 Matherm Stub for electrical resistors which are made in the form of a corrugated metal strip

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361035A1 (en) * 1976-08-03 1978-03-03 Heurtey Metallurgie Infrared furnace for small metal blanks - attains e.g. 1300 degrees C within a cylindrical heated area surrounding load rails
FR2589025A1 (en) * 1985-10-21 1987-04-24 Matherm Stub for electrical resistors which are made in the form of a corrugated metal strip

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