Method and calender for treating a sheet
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United States of America Patent
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May 28, 2002
Grant Date -
N/A
app pub date -
Jun 21, 2000
filing date -
Nov 14, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A calender for treatment of a web of a nonwoven textile V made of thermoplastic fibers. The calendar includes a heated embossing roller made of steel and a counter-roller that runs at the same circumference velocity. The local plastification in the nonwoven textile V that is produced at the locations of the raised embossing areas results in a board-like feel of the nonwoven textile V. To reduce this hardness, the web of the nonwoven textile V is broken, after having cooled at least partially.
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