METHOD FOR PRODUCING THICK AND THIN YARN

PROBLEM TO BE SOLVED: To provide a method for producing a polyester thick and thin yarn suitable for obtaining a cloth having a natural spot feeling and grain feeling and also an excellent soft, spun tone and bulged feeling on preparing the cloth, economically at a low cost and stably by using a dir...

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Bibliographische Detailangaben
Hauptverfasser:	TANAKA MATSUMI, MIYATA MASANOBU, TOMISAKA IKUO, KATSUMA KEITA, KATSUI JUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for producing a polyester thick and thin yarn suitable for obtaining a cloth having a natural spot feeling and grain feeling and also an excellent soft, spun tone and bulged feeling on preparing the cloth, economically at a low cost and stably by using a direct spinning and stretching method. SOLUTION: This method for producing the thick and thin yarn is characterized by melt-ejecting a polyester containing ≥90 mol% ethylene terephthalate, then without imparting preliminary entwinement, imparting an oil agent while revolving the yarn, taking-in the yarn with a non-heated roller for controlling tension (PTR), then introducing into a heated first godet roller (GR1) by setting 1.02-1.05 peripheral speed ratio of the GR1 to PTR and performing stretching and heat-setting with the heat-setting second godet roller (GR2) so as to make 42-55% elongation at break. COPYRIGHT: (C)2005,JPO&NCIPI