Yarn false twist texturing apparatus

Details Yarn false twist texturing apparatus Yarn false twist texturing apparatus

2005-06-07

2005-06-07

Calvert, John J. (Department: 3765)

Textiles: spinning, twisting, and twining

Apparatus and processes

Twist setting

Reexamination Certificate

active

06901734

ABSTRACT:
A yarn false twist texturing apparatus which includes a yarn heater, a yarn cooling device, and a yarn twisting unit serially arranged along a yarn path of travel. The cooling device is composed of a cooling tube, and yarn guides are arranged so that the yarn advances spirally on the surface of the outside periphery of the tube. A yarn lifter is positioned so as to lift the advancing yarn from contact with the outside periphery of the cooling tube over a partial length of the cooling tube, so that the cooling effect can be influenced without significantly changing the spiral looping on the cooling tube.

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