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Delapena and Son Ltd
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Delapena and Son Ltd
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Publication of FR1056869ApublicationCriticalpatent/FR1056869A/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
C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
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FR1056869D1950-11-301951-11-30Procédé perfectionné de trempe d'articles présentant une denture et appareil pour la mise en oeuvre de ce procédé
ExpiredFR1056869A
(fr)