Patent ID: 6843050

Claim:
A yarn false twist texturing machine for texturing a multifilament synthetic yarn comprising a feed yarn supply, a first delivery device, a first heating device, a cooling device, a false twist unit, a second delivery device, a second heating device, a third delivery device, and a winding device serially arranged along a yarn path of travel, a yarn countertwist device positioned in the yarn path between the second heating device and the winding device, said countertwist device comprising a twist imparting member cooperating with a yarn guide means for imparting twist to the yarn in a direction opposite to that imparted by the false twist unit and so as to produce an essentially twist-free yarn, and means including an actuator for selectively and positively moving the twist imparting member or the yarn guide means in each direction between (a) an operating position wherein a countertwist is imparted to the advancing yarn and (b) an idle position wherein the twist imparting member is separated from the advancing yarn so as to not impart a countertwist to the advancing yarn and to facilitate its threadup.