BigPatents India

The present invention provides an apron for a double-apron drafting system for spinning machinery, comprising a fibre bunching zone which joins the couple of front rollers of the main drafting zone and is followed by a pair of delivery rollers wherein a pneumatic condenser device is arranged between the pair of front rollers and the pair of delivery rollers and has a perforated apron and a suction device which extends on that side of the apron which faces away from the fibre structure and draws in air through the fibre structure, characterized in that the perforation of the apron is smooth and does not have rough surface.