Sheet coating recirculating flow

Curtain coating is widely used in the coating of flat sheets of subsfrafe, such as wood panels. A coaling is pumped fhrough a slof in fhe coating head so that it flows as a continuous curtain of liquid. The maferial to be coated is moved under the curtain by a conveyor belt. The curtain is always wider than the substrate, and therefore a recirculating system is necessary for fhe overflow from the sides. 

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