Apparatus and method for treating a sheet of material
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United States of America Patent
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Jul 29, 1997
Grant Date -
N/A
app pub date -
Apr 12, 1995
filing date -
Apr 13, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus and method for treating a sheet material (3) with an arrangement of rollers (6, 7), including at least one heated roller (8, 9), which defines at least one roller gap through which the sheet of material is passed and acted upon with pressure and/or elevated temperature. A housing (32) surrounds the roller arrangement (6, 7) and the treatment takes place in an environmental atmosphere, the temperature and/or humidity of which can be adjusted to a specified value. A roll of the sheet material is subjected to pretreatment to provide it with desired temperature and humidity conditions before entering the housing (32).
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