Calender band stripping section and process for stripping calendered sheet
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United States of America Patent
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-
Jul 21, 1987
Grant Date -
N/A
app pub date -
Nov 1, 1985
filing date -
Nov 1, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved apparatus and method for calendering of thermoplastic material are disclosed. An endless belt is interposed between the calendered material and the last calender roll which belt conveys the thermoplastic calendered sheet around the last calender roll and toward the stripper roll. The thermoplastic calendered sheet does not come into contact with the final calender roll surface. After cooling the film should strip easily off the endless belt. Consequently, problems originating in sheet adhesion to the final calender roll will be reduced if not eliminated.
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