APPARATUS IN A HAT CARD, A ROLLER CARD OR EQUIVALENT FOR CLEANING THE FIBROUS MATERIAL, HAVING A FIRST HIGH-SPEED ROLL

摘要

In an apparatus for cleaning fibrous material, comprising a first roller or main roller (3b), which is adapted to support or transport a moving web of fibers, associated with second and third rollers, which have respective nips with each other and with the first roll (3b), the first roll (3b) is associated with stationary carding elements (20). In order to improve the degree of cleaning, at least one fixed carding element (20) in which teeth (202) of the lining (201) are inclined opposite the direction of rotation (3 ") of the first roll ( 3b) is arranged upstream of a pair consisting of a second roll and a third roll, seen in the direction of rotation (3 ") of the first roll (3b).