糸条の弛緩熱処理装置

Relaxed heat-treating apparatus for yarn

Abstract

(57)【要約】 【課題】 第2ヒータ長を従来よりも短くしつつ、5 00m/分以上の高速で捲縮率の低い低伸縮性の仮撚加 工糸を得ることのできる糸条の弛緩熱処理装置を提供す る。 【解決手段】 第1ヒータにより熱処理するとともに 仮撚加工した合成繊維糸条Yを第2ヒータにより弛緩熱 処理する糸条の弛緩熱処理装置において、第2ヒータと して、0.6〜1mの加熱通路長を有し240〜400 ℃のヒータ温度に設定可能な非接触ヒータ10を用いると ともに、このヒータ10により弛緩熱処理される糸条Yを 500m/分以上の加工速度で走行させるように構成す る。
PURPOSE: To provide a relaxed heat-treating apparatus for a yarn having a second-heater length shorter than the conventional apparatus and, at the same time, capable of obtaining a false twist yarn having a low stretchability and a low crimp percent at a high-speed treatment such as ≥500m/min. CONSTITUTION: This is a relaxed heat-treating apparatus for a yarn in which a heat treatment is carried out by the first heater and a false-twisted synthetic fiber yarn Y is subjected to a relaxed heat treatment by the second heater. The second heater has a heating passage length of 0.6-1m and is provided with a non-contact heater 10 capable of setting a heater temperature at 240-400°C. The yarn Y, which is subjected to a relaxed heat-treatment by the heater 10, is made to run at a process speed of ≥500m/min. COPYRIGHT: (C)1996,JPO

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Patent Citations (2)

    Publication numberPublication dateAssigneeTitle
    JP-S55122038-ASeptember 19, 1980Unitika LtdProduction of feather yarn
    JP-S5766145-AApril 22, 1982Teijin LtdApparatus for heating synthetic fiber yarn

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