Patent ID: 6865874

Claim:
A method for restarting a spinning operation in work stations of an open-end spinning machine after replacement of a yarn cheese with an empty cheese-winding tube, wherein the spinning machine comprises multiple work stations, each work station having a spinning device for producing a yarn and a winding device with a creel for winding the yarn into a cheese, and an automatically operating service unit comprising an auxiliary yarn supply device for attending the plural work stations, the method comprising, at a work station requiring restarting of the spinning operation, transferring a starting portion of an auxiliary yarn from the auxiliary yarn supply device of the service unit to a suction nozzle of the work station, transferring the auxiliary yarn via the suction nozzle to a spinning start member of the work station, moving the suction nozzle again to the auxiliary yarn, re-grasping via the suction nozzle the auxiliary yarn extending between the auxiliary yarn supply device and the spinning start member, removing via the suction nozzle the auxiliary yarn after the auxiliary yarn has been used in the spinning device of the work station for restarting the spinning operation, and moving the yarn produced in the spinning device to the creel of the work station to resume winding thereof.