VERFAHREN UND VORRICHTUNG FUER DIE STRAHLTEXTURIERUNG VON GARNEN

VERFAHREN UND VORRICHTUNG FUER DIE STRAHLTEXTURIERUNG VON GARNEN

Thermoplastic yarn is textured while at a temperature at or above its plasticizing temperature by impingement thereon of a converging stream of compressible fluid. Prior to impingement, the fluid stream is passed through a convergent/divergent flow path to accelerate the impinging fluid to a velocit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: RODNEY RILEY,MYRNE
Format: Patent
Sprache:ger
Schlagworte:
CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS
MECHANICAL FINISHING OF YARNS OR ROPES
TEXTILES
WARPING OR BEAMING
YARNS
YARNS OR THREADS
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Beschreibung
Zusammenfassung:Thermoplastic yarn is textured while at a temperature at or above its plasticizing temperature by impingement thereon of a converging stream of compressible fluid. Prior to impingement, the fluid stream is passed through a convergent/divergent flow path to accelerate the impinging fluid to a velocity in excess of Mach 1. The yarn is under tension at the point of fluid impingement. Subsequently the yarn is cooled below its plasticizing temperature while in a substantially tensionless condition. Apparatus for performing the texturing process is disclosed.