C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
C23D9/00—Ovens specially adapted for firing enamels
Procede de production de metal liquide a partir de particules prereduites et dispositif de fusion couple a un four de traitement thermique par un dispositif de transfert de particules
Procede de revetement du garnissage des appareils metallurgiques par projection au jet de flamme et appareil metallurgique traite conformement audit procede