LBZ-L type double sides PE coated paper cup machine is a development equipment on LBZ-LI single side PE coated paper cup machine. In this type paper cup machine,we add a ultrasonic system to sealing the paper cup body,the ultrasonic system resolve the problem that double sides PE coated paper can not be sealing by heater,the reason is that when a heater is adopted on the outside suface the PE film will be burnt and become yellow or blackish and make the cups shape in ugly. Use LBZ-L Ultrasonic Paper Cup Machine,you can produce both double sides PE coated paper cups and single side PE coated paper cups only exchanging the raw material. Main Technical Data: Paper Cup Sizes: 3,4,5,6.5,8,9,10.5,12,16,18 OZ or other sizes Row material: Single side(one side) or Double Sides PE(polyethylene) film coated paper Suitable paper weight: 170gsm--420 gsm (Recommend 190--320 gsm) Speed of making paper cups: 40--50 pcs per minute Limit of temperature control: 0--400 Centigrade Total power: 5.5KW Power source: 380 V,220V 50 Hz,60 Hz or other Customer needed Whole machine weight: 1450 kg Appearance size(L x W x H): 2500 x 1200 x 1400 mm Note:We can make the paper cup machine suitable for your requirement.