Coating dryer system

Details Coating dryer system Coating dryer system

1996-08-23

1998-02-03

Bennett, Henry A.

Drying and gas or vapor contact with solids

Material treated by electromagnetic energy

Infrared energy

34540, 34546, 34549, 34580, 34 71, 34124, 34626, 34637, F26B 334

Patent

active

057131384

ABSTRACT:
A dryer system for drying a coating applied to a substrate includes a thermally conductive roll having a length and a peripheral surface for supporting the substrate, and a plurality of energy emitters disposed within the conductive roll along the length of the conductive roll. The plurality of energy emitters are controlled to selectively emit energy along the length of the conductive roll. The conductive roll is at least partially surrounded by at least one convection unit. The convection unit includes a blower assembly, a heater assembly and a vacuum passageway. The blower assembly includes an inlet and directs a current of air towards the substrate. The heater assembly heats the air being directed towards the substrate. The vacuum passageway extends between the substrate and the inlet of the blower assembly for returning the heated air to the blower assembly once the air has impinged upon the substrate.

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