Method for producing polyester blended yarn

Details Method for producing polyester blended yarn Method for producing polyester blended yarn

2005-05-03

2005-05-03

Tentoni, Leo B. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

With twining, plying, braiding, or textile fabric formation

C264S171100, C264S211140

Reexamination Certificate

active

06887411

ABSTRACT:
A polyester blended yarn giving a woven or knitted fabric exhibiting a swollen touch and a high grade texture is stably obtained by melt-spinning a polyester including A including a substrate polymer including a polyester and 0.5 to 5.0 percent by weight of a polymer P, and the substrate polymer from an identical spinneret or different spinnerets to obtain the filament group A including the polyester composition A and the filament group B including the substrate polymer, blowing cooling air on the filament groups B and A at a speed of 0.20 to 0.80 m/sec and at a speed of not less than 1.1 times said speed, respectively, to once separately cool and solidify the filament groups B and A, doubling the cooled filament groups, and then taking off the obtained doubled yarn at a speed of not less than 2,500 m/min.

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