FIELD: textile industry. SUBSTANCE: method involves twisting continuous bundle of filaments of uniform thickness relative to filament longitudinal axis and simultaneously stretching filaments in zone between pairs of feeding and stretching rollers without relative shift of filaments in bundle by twisting them; stretching each filament at stress less than ultimate tensile strength of filament and exceeding yield stress. EFFECT: increased efficiency, improved quality by providing residual plastic deformation and change in molecular structure. 4 cl, 3 dwg
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