Fibre process

Details Fibre process Fibre process

D - Textiles, Paper

02

G

28/43

D02G 1/12 (2006.01)

Patent

CA 1071852

ABSTRACT OF DISCLOSURE A process and apparatus for the continuous pro- duction of heat-set, crimped, thermoplastic filaments by passing a tow of filaments through a stuffer box crimper and then a heat setting device attached to the exit of the crimper. The tow in the crimping chamber is cooled to a temperature not exceeding 100°C. in order to separate the heat setting and crimping processes, whereby the crimp ratio may be varied by adjusting the temperature of the tow in the crimping chamber.

286466

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