Web processing with electrostatic cooling

Details Web processing with electrostatic cooling Web processing with electrostatic cooling

B - Operations, Transporting

41

F

B41F 23/02 (2006.01)

Patent

CA 2329448

An apparatus for processing a moving web of material is provided with an applicator that applies a liquid material to the moving web, a drying apparatus that heats the web to an initial temperature, a first cooling apparatus that causes the web to be cooled to a second temperature that is at least about 20°F lower than the initial temperature, and a second cooling apparatus disposed after the first cooling apparatus that causes the web to be cooled to a third temperature that is at least about 20°F lower than the second temperature. The first cooling apparatus includes a generator adapted to generate a directed electrostatic field through which the web passes and a sprayer adapted to spray liquid through the electrostatic field and onto the web.

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