Drying and gas or vapor contact with solids – Material treated by electromagnetic energy – Radio or high-frequency energy
Patent
1996-12-11
1998-09-29
Bennett, Henry A.
Drying and gas or vapor contact with solids
Material treated by electromagnetic energy
Radio or high-frequency energy
34629, 34640, F26B 334
Patent
active
058131345
ABSTRACT:
A radio frequency (RF) assisted flotation air bar dryer apparatus and method for drying and/or curing a traveling web includes RF generating means for delivering RF through field and RF stray field to the web to heat the web, air bars to direct air flow to the web for cooling to facilitate emission of moisture therefrom and to avoid blistering due to overheating, an RF field reflector to reflect RF energy to the web, and a control system to monitor and to control air temperature and/or flow, RF field strength, and/or web temperature to maintain a balance between heating and cooling to obtain efficient high speed drying while avoid damage to the web.
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Johansen John E.
Min Kyung
Avery Dennison Corporation
Bennett Henry A.
Wilson Pamela A.
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