PROCESSO E APARELHO PARA REVESTIR ELETROFORETICAMENTE A SUPERFICIE INTERIOR DE UMA PECA DE TRABALHO ELETRICAMENTE CONDUTIVA

Method and apparatus for removing excess electrophoretic material from a coated interior workpiece surface wherein a flow of air is passed over the entirety of the electrophoretic coating to remove such excess electrophoretic material therefrom. Coating, e.g. of a can body, is effected using a condu...

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Bibliographische Detailangaben
Hauptverfasser:	MADSEN L, ZUTAUT C, BROWER L
Format:	Patent
Sprache:	por
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPARATUS THEREFOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMISTRY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY PERFORMING OPERATIONS PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	Method and apparatus for removing excess electrophoretic material from a coated interior workpiece surface wherein a flow of air is passed over the entirety of the electrophoretic coating to remove such excess electrophoretic material therefrom. Coating, e.g. of a can body, is effected using a conductive nozzle 22 closely spaced from the interior surface 24 and supplied with electrophoretic coating material under pressure e.g. from a reservoir 28. The workpiece 12 and nozzle move relative to one another about an axis, and are charged with opposite polarity. The flow of air may also be provided to the nozzle.