SE368842

Sheet metal whose surfaces have been freshly prepared chemically as by pickling and/or nickel coating, is covered with a coating of a water-soluble polyphosphate which may include an emulsifier and/or a water-soluble organic polymer, preferably film-forming. The coating protects the fresh surface du...

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Bibliographische Detailangaben
Hauptverfasser:	LEONTARITIS L,DT, SCHOEN N,DT, HOFFMANN H,DT
Format:	Patent
Sprache:	eng
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 ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Sheet metal whose surfaces have been freshly prepared chemically as by pickling and/or nickel coating, is covered with a coating of a water-soluble polyphosphate which may include an emulsifier and/or a water-soluble organic polymer, preferably film-forming. The coating protects the fresh surface during storage and/or shaping and the metal may thereafter be enamelled either with or without prior removal of the polyphosphate coating.