Patent ID: 7748085

Claim:
An apparatus on a textile machine for cleaning fibre material, wherein the apparatus comprises: a first rotating roller arranged to convey a travelling fibre web; a second rotating roller co-operating with the first roller to form a first nip; a third roller co-operating with the second roller to form a second nip and with the first roller to form a third nip, the second roller being downstream of the third roller; a drive arrangement arranged to rotate at least one of the second and third rollers in the opposite direction to the direction of rotation of the first roller; the arrangement being such that fibre material is opened and detached at the first nip, and the detached fibre material is transferred to the second nip and is conveyed by the third roller to the third nip, where it is transferred back to the first roller; and the apparatus further comprising a separating element co-operating with the first roller and arranged downstream of the second roller, and a separation opening between the separating element and the nip between the first and second rollers, the separation opening having a width of about from 40 to 60 mm.