MELT-SPINNING APPARATUS FOR POLYAMIDE MULTIFILAMENT YARN AND METHOD FOR PRODUCTION OF POLYAMIDE MULTIFILAMENT YARN

摘要

PROBLEM TO BE SOLVED: To produce polyamide multifilament yarn having high quality and a single fiber fineness of less than 0.8 decitex with excellent operability and productivity.;SOLUTION: In a polyamide multifilament yarn melt-spinning apparatus equipped with a spinneret 2, yarn-cooling device 3 set just under this spinneret 2, oil-feeding guide 5, entangling nozzle 6, take-off devices 8, 9, and take-up unit 10, a baffle plate 4 that is inclined toward the yarn-running direction between the cooling device 3 and the oil-feeding guide and a suction unit 11 for recovering the associated air flow that is cut by the baffle plate 4.;COPYRIGHT: (C)2007,JPO&INPIT