DEVICE FOR HYDRODYNAMIC STABILISATION OF A CONTINUOUSLY TRAVELLING METAL STRIP

A facility for dip-coating a metal strip in continuous motion includes: a liquid coating metal bath from which the strip exits in a vertical strand; a bottom roller, a decambering roller, and, optionally, a stabilizing roller, all immersed in the liquid-metal bath; drying blades at an exit of the ba...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BREGAND, Olivier, HARDY, Yves, GERKENS, Pascal, LARNICOL, Maïwenn
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A facility for dip-coating a metal strip in continuous motion includes: a liquid coating metal bath from which the strip exits in a vertical strand; a bottom roller, a decambering roller, and, optionally, a stabilizing roller, all immersed in the liquid-metal bath; drying blades at an exit of the bath, for injecting compressed gas in order to remove excess coating that has not yet solidified so as to create a drying wave having a downward return stream of liquid metal; and a dissipating hydrodynamic-stabilization device placed between the drying blades and a last immersed roller, the dissipating hydrodynamic-stabilization device including a plurality of hydrodynamic pads for applying a load to at least one side of the metal strip and mounted so as to pivot around hinges so as to self-align the pads, the plurality of hydrodynamic pads extending transversely across a width of the strip.