Patent ID: 7997413

Claim:
An apparatus in a spinning preparation installation, comprising: conveying equipment for conveying fibre material; and an arrangement for separating foreign objects from said fibre material, comprising: a plurality of air nozzles adapted to be coupled to a source of compressed air and arranged across the width of the conveying equipment, wherein the air nozzles are adapted to direct a blast of air towards the fibre material to detach and remove the foreign objects from the conveyed fibre material, and a bar member into which the air nozzles are incorporated, wherein the bar member comprises a housing with wall elements and a hollow interior having a longitudinal axis, wherein the hollow interior of the housing comprises a compressed air duct adapted to supply air to the air nozzles, wherein the housing includes two rows of bores arranged on opposite sides of and parallel to the longitudinal axis of the housing, wherein bores of the first row are coaxially aligned with bores of the second row and each pair of coaxially aligned bores is adapted to receive one of the plurality of air nozzles, and wherein the air nozzles pass through the hollow interior and at least one wall element of the housing.