PROCESS FOR COATING THE SURFACE OF ELONGATED MATERIALS

In a process for coating the surface of elongated materials, the materials g o through a container for the molten coating ma- terial without reversing their direction. The container has a through channe l surrounded by an electric field in which an electrom- agnetic force is generated and the dwelli...

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Bibliographische Detailangaben
Hauptverfasser:	BIRGER, BORIS L, OTTERSBACH, WALTER, MOROZ, ANATOLIJ I, FROMMANN, KLAUS, HAUPT, WERNER, PARAMONOV, VLADIMIR A, TYCHININ, ANATOLIJ I
Format:	Patent
Sprache:	eng ; fre
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:	In a process for coating the surface of elongated materials, the materials g o through a container for the molten coating ma- terial without reversing their direction. The container has a through channe l surrounded by an electric field in which an electrom- agnetic force is generated and the dwelling time of the strip in the melt ca n be controlled independently from the strip advance speed. In order to improve the conventional strip coating process, so that favourable intermediate layers that ensure a good ad- herence and a good plasticity of the coating can be achieved, the molten coating material is continuously moved against the sur- face of the elgongated material and is circulated in an atmosphere free from atmospheric oxygen while the hank-shaped goods go through the container. A device used therefor is characterized in that a pre - melting container (12) is associated to the coating con- tainer for the molten coating material (2), and the melt (2) can circulate between the pre-melting container (12) and the coat- ing container (1) in an atmosphere free from atmospheric oxygen.