BigPatents India

A fiber bundle-collecting device is provided on the downstream side of a final delivery roller pair of a drafting device and includes a delivery portion and a suction pipe 32 having a sliding surface 32b that is equipped with a suction hole 32a provided on the upstream side of the nip point of the delivery portion with respect to a direction in which a fiber bundle moves. A wrapping member 33 is provided on the side opposite to the suction pipe 32 across a bottom nip roller 35a constituting the delivery portion. An air-permeable apron 34 is wrapped around the suction pipe 32, the wrapping member 33, and the bottom nip roller 35a. A regulating guide 49 preventing lateral displacement of the air-permeable apron 34 is formed integrally with the suction pipe 32. The regulating guide 49 is formed by removing a part of an elevated step portion 50 in conformity with the width of the air-permeable apron 34, the step portion 50 being formed on the front side of the top surface the suction pipe 32 so as to extend in a longitudinal direction