Patent ID: 7464530

Claim:
A process for preparing a piecing operation in an air jet spinning arrangement comprising a drafting device, having a main drafting zone bordered on its entry side by an apron roller pair connected to a first drive and on its exit side by a delivery roller pair connected to a second drive, the process comprising the acts of: stopping the delivery of a staple fibre strand in the main drafting zone when the spinning process is interrupted; and creating a new starting end of the staple fibre strand, to be pieced with a thread already spun, the new starting end being formed by: shutting down the apron roller pair while the delivery roller pair continues to run and separately controlling the apron roller pair as well as the delivery roller pair, initially bringing the apron roller pair to a standstill and then bringing the delivery roller pair to a standstill, such that the new starting end of the staple fibre strand suitable for piecing is present in the main drafting zone after stopping of the apron roller pair and the delivery roller pair.