Infra-red forced air dryer and extractor

Details Infra-red forced air dryer and extractor Infra-red forced air dryer and extractor

B - Operations, Transporting

41

F

B41F 23/04 (2006.01) F26B 3/28 (2006.01) F26B 3/30 (2006.01) F26B 13/10 (2006.01)

Patent

CA 2129945

An infra-red dryer utilizes high velocity air jets which scrub and break up the moist air layer which clings to the surface of a freshly printed and/or coated sheet. The high velocity air jets are directed through multiple air flow apertures across an array of infra-red lamps onto the freshly printed and/or coated sheets. An extractor exhausts the moisture-laden air from an exposure zone while short wave infra-red radiation heats the ink and/or protective coating: The effective exposure to high velocity, hot air is increased by the air jets which produce a balanced pressure air blanket along the sheet travel path. The moist air layer is displaced from the printed and/or coated sheet and is extracted from the press as the sheet moves through the exposure zone.

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