OBJECT PROVIDED WITH A DECORATIVE BLACK ANTI-WEAR LAYER

Conventional black coatings for objects of common use usually formed as a carbon layer or porous metal layers, have a deficient wear resistance and surface quality. The resistant high gloss black coatings according to the invention comprise oxycarbonitrides, the proportion of carbon. Preferably the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PETER NUESCH, ERICH BERGMANN
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS 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 COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CORRECTING FLUIDS DIFFUSION TREATMENT OF METALLIC MATERIAL DYES FILLING PASTES HOROLOGY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INKS MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Conventional black coatings for objects of common use usually formed as a carbon layer or porous metal layers, have a deficient wear resistance and surface quality. The resistant high gloss black coatings according to the invention comprise oxycarbonitrides, the proportion of carbon. Preferably the layer comprises an oxycarbonitride of an alloy of Ti, Zr and Hf, the oxygen component between 40 and 60 atom percent. Use of the invention is mainly for decorative utility objects, e.g. watch cases.