It makes double wall paper cup after running a whole procedure of automatic paper (fan-sleeve)feeding,sleeve cone-body sealing(by ultrasonic),water-glue sprying (spray glue inside the cone-sleeve),cup./bowl feeding (absorb cup into the cone-sleeve),inserting and bonding sleeve to the cup collecting with the function of photo electric detection,fault alarm,and count.It is an ideal equipment of making two/double walls paper cups such as direct-sleeves cups, hollow-sleeve cups etc. The sleeve-wrapped paper cups are popular for hot drinks tea coffee, etc