DEVICE AND PROCESS FOR THE HANDLING AND CONTROL OF THE YARN IN A CROSSWINDING HEAD OF A CROSSWINDING MACHINE IN BOBBIN DOFFING OPERATIONS

摘要

The invention relates to a device and a process for the handling and control of the yarn (1) in a crosswinding head of a crosswinding machine in bobbin (2) doffing operations, said crosswinding machine being equipped with a series of crosswinding heads and at least one service trolley (13) , in which the yarn (1) run is moved to a definite position, near the end portion of its course from the pirn to the bobbin (2) and the yarn (1) is subsequently drawn from a handling device (12) of the service trolley (13) , cut and, after removal of the bobbin (2) , its end coming from the pirn, is arranged on a new winding tube.