Pneumatic assembly for waste removal

Claim 1

The combination with a carding machine for the pneumatic cleaning and removal of fibrils and various waste products in order to avoid the accumulation thereof in wool or cotton carding machines destined for spinning which comprises: a carding machine characterized by an arrangement of carding members comprising drum and cylinders, and a casing disposed below said arrangement of carding members cooperably associated therewith formed of a bottom wall, side walls and end walls which cooperate to form a substantially sealed chamber within said casing below said arrangement of carding members capable of developing a vacuum therein, each of said end walls being adjustably mounted to provide a slotted opening with said bottom, the size of each of said slotted openings being adjustably varied according to the size required, said bottom wall having a transverse opening located substantially centrally of said bottom and extending substantially across said bottom, said bottom wall converging from each of said end walls towards said transverse opening in a downwardly sloping direction, said transverse opening communicating with a suction member through which fibrils and waste products are removed.