Self crimping yarn and process

D - Textiles – Paper – 01 – F

Patent

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18/585

D01F 8/00 (2006.01)

Patent

CA 1123562

C-14-54-0288 SELF CRIMPING YARN AND PROCESS ABSTRACT OF DISCLOSURE Polyester polymer is extruded through two converging capillaries at different speeds to merge and form a combined stream. The stream is cooled to form a filament, which is withdrawn at a high speed to give yarn which self-crimps upon heating. In some embodiments, the yarn has a variable denier. - 1 -

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