PROCEDE DE FABRICATION DE PIECES LAITONNEES DE GRANDE LONGUEUR, DISPOSITIF POUR SA MISE EN OEUVRE ET PIECES LAITONNEES OBTENUES PAR LEDIT PROCEDE

摘要

Elongated brass-plated prods., such as wire, ribbon etc., are obtd. from a blank by successively degreasing, etching, electrolytically Zn plating, thermo-diffusing, tempering and trimming, the degreasing and etching stages and the thermo-diffusion and tempering stages both being carried out simultaneously in the same bath of molten inorganic salt. A Cu plating stage is pref. included prior to the Zn plating stage. The appts. has fewer components (baths) than in prior methods and the prods. have good uniformity, esp. the phase properties of the brass plating.