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Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges ClaudefiledCriticalAir Liquide SA
Application grantedgrantedCritical
Publication of FR822573ApublicationCriticalpatent/FR822573A/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
C21D1/06—Surface hardening
C21D1/08—Surface hardening with flames
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Physics & Mathematics
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FR822573D1936-09-111936-09-11Perfectionnements dans la trempe de pièces métalliques
ExpiredFR822573A
(fr)