S-B80A Automatic Seamer is specially designed for square can closing. Flanged can is fed forward through a belt conveyor, top and low tiny stoppers driven by air cylinders work together with two pushers to send can into index seaming turret. A positioning pusher properly holds the can on the turret , end is separated by four knives and is fed forward into seaming turret by a reciprocating pusher. Lifter plate lifts can up to chuck and a concise seaming head with four seaming rollers undertakes seaming operation. Cam driven knock out pad release the seamed can from chuck and seamed can is pushed out by a lever. Seam quality meet international standard. Simple structure and multiple safety devices, easy for operation and maintenance.