Nozzle apparatus for electrophoretic coating of interior surface

Details Nozzle apparatus for electrophoretic coating of interior surface Nozzle apparatus for electrophoretic coating of interior surface

1978-02-17

1978-10-10

Williams, Howard S.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

B01D 1302, C25D 1300

Patent

active

041195221

ABSTRACT:
An improved nozzle for electrophoretically coating the interior surface of a workpiece, such nozzle having an electrically conductive linear portion corresponding to a selected linear dimension of the workpiece, an electrically conductive head portion connected and disposed substantially normal thereto and corresponding to a closed bottom end of the workpiece, inlet tubing connected to a discharge orifice in the head portion of the nozzle for delivery of electrophoretic material onto the interior surface of the workpiece, and wherein associated means are provided for moving the workpiece and the nozzle relative to one another about an axis fixed relative to the workpiece and the nozzle and in a direction lateral to the selected linear dimension of the workpiece.

REFERENCES:
patent: 3922213 (1975-11-01), Smith et al.
patent: 3997418 (1976-12-01), Buse et al.

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