Yarn twisting device

D - Textiles – Paper – 01 – H

Patent

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118/27

D01H 7/92 (2006.01) B65H 57/12 (2006.01) D02G 1/08 (2006.01)

Patent

CA 1042289

ABSTRACT This invention concerns yarn twisting apparatus. The invention envisages an elongate curved mounting within which a flexible tube is rotatably mounted so that the flexible tube has a curved longitudinal axis. On passing a yarn through the rotating tube a twist is imparted to the yarn. By this means the twist imparted to the yarn is even and without slip, since all parts of the interior surface of the tube are rotating at the same peripheral speed. In contrast certain prior arrangements require slip to take place between the yarn and the surface imparting the rotation because different parts of the surface are at different distances from the rotary axis.

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