ARTICLE HAVING METALLIC SURFACE, TONE-TREATMENT METHOD THEREFOR, AND GAS PHASE OXIDATION DEVICE

The present invention improves the rubbing fastness of an article including a base metal with at least the surface composed of copper-zinc alloy after being subjected to tone treatment. In addition, the present invention provides a device for tone treatment capable of reducing the amount of water us...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAMAGUCHI, Ikue, WAKABAYASHI, Toshitaka, MIYAZAKI, Kunio, KOBAYASHI, Naoko, NAKAMURA, Yuji
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS BLASTING BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE 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 FERROUS OR NON-FERROUS ALLOYS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HABERDASHERY HEATING HUMAN NECESSITIES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JEWELLERY KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	The present invention improves the rubbing fastness of an article including a base metal with at least the surface composed of copper-zinc alloy after being subjected to tone treatment. In addition, the present invention provides a device for tone treatment capable of reducing the amount of water used as compared with wet processes. Provided is article including: a base material 11 with at least the surface composed of a zinc-containing copper alloy; and an oxide layer 12 adjacent to the surface of the base material 11, wherein the ratio of the mean zinc concentration to the mean copper concentration in the depth range of 10 nm to 20 nm with reference to the surface of the oxide layer 12, A, is higher than the ratio of the mean zinc concentration to the mean copper concentration in the surface of the base material 11, B. Provided is a gas phase oxidation device for performing a tone-treatment method, the gas phase oxidation device including: a gas phase reaction chamber 115 including an inlet and an outlet for performing gas phase oxidation; and a conveyor 122 that allows an elongated member at least partly including a portion with at least the surface consisting of a metal to enter the inlet, pass through the gas phase reaction chamber, and continuously exit from the outlet.