Process of coating a body and apparatus therefor

Details Process of coating a body and apparatus therefor Process of coating a body and apparatus therefor

1987-04-30

1989-05-02

Bueker, Richard

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 27, 427421, 118629, 118634, 118317, 118323, 118326, B05D 106

Patent

active

048267040

ABSTRACT:
In order to increase the efficiency of a coating process wherein a coating medium such as, for example, powders directed from a coating medium pressure line toward a workpiece to be coated, with the coating process also including an applied electrostatic field, a coating medium which does not adhere to the workpiece is drawn off by way of a suction channel. A flow of the emerging coating medium is bent toward the workpiece that is to be coated by providing a carrier surface profile area between an outlet of the coating medium and a suction channel. By this arrangement a flow velocity gradient between the workpiece to be coated and the profile area is realized with the resulting pressure gradient from the profiled area toward the workpiece.

REFERENCES:
patent: 3868925 (1973-07-01), Smith
patent: 4215648 (1980-08-01), Stamets

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