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BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Germany
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BBC BROWN BOVERI and CIE
Brown Boveri und Cie AG Germany
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Application filed by BBC BROWN BOVERI and CIE, Brown Boveri und Cie AG GermanyfiledCriticalBBC BROWN BOVERI and CIE
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Publication of FR640710ApublicationCriticalpatent/FR640710A/fr
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
C21D1/84—Controlled slow cooling
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FR640710D1926-09-101927-09-09Procédé et dispositif pour accélérer le refroidissement dans les fours à recuire à chauffage électrique
ExpiredFR640710A
(fr)
Procédé pour le chauffage électrique de fours, tels que fours à fondre, à recuire et à tremper à l'aide de résistances chauffantes parcourues par des courants d'induction