COMPOSITE SPINNERET AND METHOD FOR MANUFACTURING COMPOSITE FIBER

PROBLEM TO BE SOLVED: To provide a composite spinneret that increases a number of composite fibers to be installed at one nozzle, increases an island number per the nozzle and can improve the ratio of the island and the polymer, and to provide a method for manufacturing a composite fiber that perfor...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO TAKU, MIYASHITA MASAOMI, FUNAKOSHI SHOJI
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 composite spinneret that increases a number of composite fibers to be installed at one nozzle, increases an island number per the nozzle and can improve the ratio of the island and the polymer, and to provide a method for manufacturing a composite fiber that perform the melt spinning with a composite spinning machine using the composite spinneret.SOLUTION: A composite spinneret has one cross-section which area in a perpendicular direction against a direction of spinning out the polymer at an upper contracted flow hole is maximum and has a portion of a lower contracted flow hole in a region projected in the direction of spinning out the polymer.