PURPOSE: To obtain polyester fibers having good evenness without increasing fluff, by heating and drawing filaments obtained immediately after spinning between at least two pairs of rolls under specific condition.
CONSTITUTION: Filaments 1 discharged from a spinneret are cooled, solidified and then treated with an oil. The resultant oiled filament yarn is heated by the first take-up roll 2, hot-drawn between the roll 2 and second take-up roll 6. The heating on the first take-up roll 2 is carried out in ≥50% of the heating time, preferably ≥80% at mirror finished part 3 thereof having ≤0.8μm surface roughness (Rmax). The heating on the second take-up roll 6 is carried out in ≥50% of heating time, preferably ≥60% at a crepe processed part 8 having 1W5μm surface roughness (Rmax).
ITO TAKASHI
MIYAKE HIROBUMI
WATANABE MICHIO
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