PRODUCTION OF HOT-DIP COATED WIRE

PURPOSE:To obtain a smooth coated wire free from the defects of a coated layer and the residue of flux though it is a hot-dip coating method using organic acid flux having low activity. CONSTITUTION:A copper wire 1 to be coated delivered from a delivery reel 2 is introduced into an electrolytic degr...

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Bibliographische Detailangaben
Hauptverfasser:	ONO MASATAKE, UEDA HIKARI, YAMAGISHI RYOZO, DOI MAKOTO
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 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 PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a smooth coated wire free from the defects of a coated layer and the residue of flux though it is a hot-dip coating method using organic acid flux having low activity. CONSTITUTION:A copper wire 1 to be coated delivered from a delivery reel 2 is introduced into an electrolytic degreasing tank 3 before the coating of flux. This electrolytic degreasing tank 3 has been filled with an alkali degreasing soln. 14 such as sodium hydroxide and sodium carbonate, and electrolytic degreasing is executed with the copper wire 1 to be coated as the cathode. At this time, the removal of the oxidized film of copper is also executed by hydrogen generated by the electrolysis. The copper wire 1 to be coated is cleaned in a washing tank 7 and is introduced into a flux tank 8 filled with organic acid flux 9. The surplus flux 9 is wiped off by a wiper 10, and after that, it is introduced into a hot-dip coating bath 11, is coated with a hot-dip coating metal 12 and is introduced out. The surplus hot-dip metal 12 is wiped off by a wiper 13, and the coated copper wire is taken off.