| 摘要 |
PROBLEM TO BE SOLVED: To obtain a false twisted mixed combined filament yarn having thick and thin shapes and natural and various mottled feelings in the longitudinal direction of the yarn. SOLUTION: This false twisted mixed combined filament yarn is obtained by a fluid intertwining treatment of false twisted thick and this yarn with highly shrinkable yarn, and the false twisted mixed combined filament yarn having 5-25 not untwisted parts/m in the longitudinal direction of the yarn, is obtained by the fluid intertwining treatment of the false twisted thick and thin yarn with the highly shrinkable yarn at <=10% over-feeding ratio, after the false twisting of the thick and thin yarn at 5-50% over-feeding ratio and 12-18×10<3> /D<1/2> (D: fiber fineness) number of false twists.
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