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Curtain coating

Surface coating process where a surface coating paint continuously flows like a curtain over a passing workpiece.

Beskrivning
Illustration of Curtain coating

The process

A container [1] with the surface treating agent has a thin and long opening through which the surface treatment agent is continuously discharged to form a curtain which is captured and recycled by an underlying tray [2]. The workpiece is transported on a treadmill through the curtain so that the surface treatment agent creates a thin coating of the workpiece.