D - Textiles – Paper – 02 – J
Patent
D - Textiles, Paper
02
J
28/29, 118/29, 2
D02J 1/22 (2006.01) D01D 5/12 (2006.01) D01F 6/62 (2006.01) D02G 1/02 (2006.01) D02G 3/02 (2006.01) D02G 3/22 (2006.01)
Patent
CA 1061994
ABSTRACT OF THE DISCLOSURE A polyester yarn composed of a plurality of individual fibrous materials such as endless filaments or fibers. Each of these fibrous material is provided with cross- sectional thicker portions, thinner cross sectional portions and intermediate thickness-size portions randomly dis- tributed along the axial direction thereof in a particular condition of distribution of cross-sections of these fibrous material. The above-mentioned polyester yarn involved a textured yarn applied to a drawn polyester multifilament yarn having the above-mentioned basic con- dition. To produce the polyester yarn according to the present invention, it is the basic condition that the undrawn polyester multifilament yarn should be drawn under a condition of a drawing ratio below a natural draw ratio of undrawn filaments of said undrawn multifilament yarn a a drawing temperature over a crystalizing initiat- ing temperature of said undrawn filaments. - 1 -
241689
Negishi Takao
Tomiita Kazuo
LandOfFree
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