Method and apparatus for heating nonwoven webs

A process for drying/heat-treating nonwoven webs in which the web is partially dried under tension in a first drying zone and further heat treated under low tension or in a substantially tensionless state a second drying zone. The process significantly reduces the occurrence of stretch-type defects...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Cleary, John C, Davis, Michael C, McCoy, Todd A, Rudisill, Edgar N
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A process for drying/heat-treating nonwoven webs in which the web is partially dried under tension in a first drying zone and further heat treated under low tension or in a substantially tensionless state a second drying zone. The process significantly reduces the occurrence of stretch-type defects in the nonwoven webs.