COMPOSITE SPINNING METHOD AND COMPOSITE SPINNING SPINNERET APPARATUS

PROBLEM TO BE SOLVED: To provide a spinning nozzle and a spinning method with which polymers having a big difference in intrinsic viscosity are subjected to composite spinning and to carry out nonconventional high-crimp type stretch fiber spinning. SOLUTION: The method for composite spinning compris...

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Hauptverfasser:	SEIKO HIROMI, KATAYAMA HIROSHI, SASAKI TATSUHIKO, SHIRAI TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a spinning nozzle and a spinning method with which polymers having a big difference in intrinsic viscosity are subjected to composite spinning and to carry out nonconventional high-crimp type stretch fiber spinning. SOLUTION: The method for composite spinning comprises independently feeding two kinds of polymers having different intrinsic viscosities to a spinneret, forming a conjugate flow at the upstream part of the discharge opening of the spinneret and discharging the conjugate flow from the discharge opening inclined by 10-45° to the side of a polymer having a smaller intrinsic viscosity in the direction vertical to a nozzle surface. COPYRIGHT: (C)2006,JPO&NCIPI