Appeal No. 2003-0298 Page 4
Application No. 09/497,797
least by the roll stack, the web, and the at least two side walls, the method
comprising:
reducing the humidity of the space,
wherein the humidity level in the space is reduced to a level which is
below a saturation point.
36. A system for regulating the humidity in a calender, the calender being
used to treat a moisture containing material web and including a housing having
at least two side walls and a roll stack, the calender defining a space bounded at
least by the roll stack, the web, and the at least two side walls, the system
comprising:
a device for reducing the humidity of the space;
at least one moisture sensor disposed within the space;
at least one temperature sensor disposed within the space;
a control device for receiving inputs from the at least one moisture sensor
and the at least one temperature sensor;
wherein the control device controls the device for reducing the humidity so
as to regulate the humidity level in the space to a point which is below a
saturation point.
37. A method of regulating the humidity in a calender, the calender being
used to treat a moisture-containing material web and including a housing having
at least two side walls and a roll stack, the calender defining a space bounded at
least by the roll stack, the web, and the at least two side walls, the method
comprising:
measuring the humidity within the space with at least one moisture
sensor;
measuring the temperature within the space with at least one temperature
sensor;
comparing the humidity of the space to a desired value in a range using a
computer which receives inputs from the at least one moisture sensor and the at
least one temperature sensor; and
regulating the humidity of the space to the desired value,
wherein the humidity level in the space is reduced to a level which of
between approximately 75% and 95%.
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