Apparatus for drawing and crimping yarn

Textiles: manufacturing – Thread finishing – Surface modification of running length

Patent

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Details

28241, 28244, 28248, D02G 112, D02J 122

Patent

active

040358801

ABSTRACT:
In combination, a drawing apparatus and a crimping apparatus. The drawing apparatus comprises integral first and second draw rolls, with attendant separator rolls, and a draw pin. The final draw roll is fluted around its peripheral surface. The draw rolls are driven from the same source as the crimp feed rolls, and in order to control yarn tension at the crimp feed rolls a variable drive means is provided for the draw rolls, to alter their speed with regard to the speed of the feed rolls. A yarn heater is positioned between the final draw roll and the crimp feed rolls, or in the alternative, between the final draw roll and its separator roll.

REFERENCES:
patent: 3614818 (1971-10-01), Satterwhite
patent: 3781952 (1974-01-01), Stanley
patent: 3949041 (1976-04-01), Schwarz

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